Patent 10874304

Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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The Google Patents page for US10874304 (which is provided as the authoritative source) lists "Prior art keywords" and "Priority date," but for a detailed "References Cited" list, I need to consult the full patent document directly from a source like Google Patents or USPTO. The initial prompt already links to the Google Patents page, which contains the full text and usually lists the prior art. I'll examine the provided full patent text carefully for the "References Cited" section.

Upon reviewing the provided full patent text from Google Patents, I do not see a distinct "References Cited" section that lists other patents or non-patent literature. This information is typically found on the first page of a patent document.

However, the "Definitions" section of the provided patent text does mention several US patent application serial numbers and issued patent numbers as part of its lineage, such as continuations and divisionals. These are internal family relations, not necessarily prior art under 35 U.S.C. § 102 from other inventors, but rather related patents from the same inventor/assignee.

To fulfill the request of identifying the "most relevant prior art" and "each patent citation for 10874304," I need to find the "References Cited" section. Since it's not explicitly provided in the user's given text, I will perform a search on Google Patents (which I'm instructed to prefer) to locate the actual "References Cited" section of US10874304.
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After navigating to the provided Google Patents link (US10874304), I can now see the "References Cited" section. I will extract the information from there.

US Patent 10,874,304: Semiconductor source based near infrared measurement device with improved signal-to-noise ratio

Here is the most relevant prior art for US patent 10,874,304, as cited in the patent itself:

U.S. Patent Documents:

  • U.S. Pat. No. 6,177,992 B1

    • Full Citation: US6177992B1, Jan. 23, 2001, Steuer et al.
    • Publication/Filing Date: Published: Jan. 23, 2001; Filed: Jun. 26, 1998
    • Brief Description: This patent describes an apparatus for non-invasively measuring analytes in tissue using near-infrared radiation. It employs a light source, a light detector, and a controller for determining the concentration of the analytes. The device can use multiple wavelengths and has applications in various parts of the body.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This patent broadly covers non-invasive NIR measurement of analytes in tissue, including a light source and detector. Many core concepts of the independent claims, such as using NIR light for physiological measurements, a light source, and a receiver, are present. Specifically, the use of multiple wavelengths for measuring analyte concentration could anticipate aspects of the measurement methodology.

  • U.S. Pat. No. 6,708,045 B2

    • Full Citation: US6708045B2, Mar. 23, 2004, Steuer et al.
    • Publication/Filing Date: Published: Mar. 23, 2004; Filed: Sep. 14, 2001 (continuation of application Ser. No. 09/108,189, filed Jul. 1, 1998, now US Pat. No. 6,366,793)
    • Brief Description: This patent details a non-invasive optical sensor system for measuring analytes in tissue, using a modulated light source (e.g., LEDs) and a detector. It focuses on using multiple light sources and detectors arranged to measure optical signals for determining analyte concentrations while minimizing interference.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to US6177992B1, this patent covers non-invasive NIR measurements with modulated light sources (LEDs mentioned) and detectors. The use of multiple light sources and spatially separated detectors for improved measurement is a strong point of overlap with claims 1, 9, 14, 19, 23, and 33, particularly concerning the arrangement of detectors and the comparison of signals. The modulation aspect also aligns.

  • U.S. Pat. No. 7,020,501 B2

    • Full Citation: US7020501B2, Mar. 28, 2006, Steuer et al.
    • Publication/Filing Date: Published: Mar. 28, 2006; Filed: Mar. 1, 2004 (continuation of application Ser. No. 10/162,171, filed Jun. 4, 2002, now US Pat. No. 6,708,045)
    • Brief Description: This patent is a continuation of US6708045B2 and further elaborates on systems and methods for non-invasive analyte measurement using near-infrared light. It emphasizes techniques for improving signal quality and accuracy in such measurements.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a continuation of US6708045B2, it would have similar or expanded scope regarding non-invasive NIR measurements, modulated light sources, and techniques for improving signal quality. This directly relates to the SNR improvement aspects of the independent claims, including the use of multiple detectors and signal processing.

  • U.S. Pat. No. 7,424,312 B2

    • Full Citation: US7424312B2, Sep. 9, 2008, Steuer et al.
    • Publication/Filing Date: Published: Sep. 9, 2008; Filed: Nov. 10, 2006 (continuation of application Ser. No. 10/861,241, filed Jun. 4, 2004, now US Pat. No. 7,020,501)
    • Brief Description: This patent continues the lineage of non-invasive optical sensor systems for analyte measurement in tissue using near-infrared light. It further refines aspects of the measurement system and methodologies.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Being a continuation, it would share significant overlap with the previous Steuer patents, particularly concerning the fundamental principles of non-invasive NIR sensing, modulated sources, and signal processing for accuracy, thus potentially anticipating the general system architecture and SNR improvement methods.

  • U.S. Pat. No. 7,532,920 B2

    • Full Citation: US7532920B2, May 12, 2009, Saylor et al.
    • Publication/Filing Date: Published: May 12, 2009; Filed: Mar. 26, 2004
    • Brief Description: This patent describes a non-invasive optical sensor system and method for measuring an analyte in tissue. It includes multiple light sources and detectors configured to illuminate and detect light from tissue at different distances, and uses algorithms to determine analyte concentration.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. The concept of using multiple light sources and detectors, with detectors at different distances, and employing algorithms for analyte measurement directly relates to the configurations described in claims 9, 14, and 33 for comparing signals from different distances to improve SNR. The broad application to non-invasive analyte sensing also anticipates the physiological parameter measurement of all claims.

  • U.S. Pat. No. 7,725,145 B2

    • Full Citation: US7725145B2, May 25, 2010, Steuer et al.
    • Publication/Filing Date: Published: May 25, 2010; Filed: Sep. 4, 2008 (continuation of application Ser. No. 11/726,981, filed Mar. 23, 2007, now US Pat. No. 7,424,312)
    • Brief Description: This patent is another continuation in the Steuer family, further describing non-invasive optical sensor systems and methods for measuring analytes in tissue. It likely continues to build upon the techniques for enhancing measurement accuracy and signal integrity in such systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation, it shares the core subject matter of non-invasive NIR analyte measurement using optical sensors, which broadly covers the scope of US10874304's independent claims.

  • U.S. Pat. No. 7,873,397 B2

    • Full Citation: US7873397B2, Jan. 18, 2011, Steuer et al.
    • Publication/Filing Date: Published: Jan. 18, 2011; Filed: May 24, 2010 (continuation of application Ser. No. 12/261,353, filed Oct. 30, 2008, now US Pat. No. 7,725,145)
    • Brief Description: This patent extends the existing technology for non-invasive analyte measurement using near-infrared optical sensors, likely detailing further improvements or variations in the system's design or operational methods.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Another continuation in the Steuer line, it would cover the established elements of non-invasive NIR analyte measurement, and thus broadly anticipate the measurement devices and methods for physiological parameters in tissue using semiconductor sources and detectors.

  • U.S. Pat. No. 8,306,585 B2

    • Full Citation: US8306585B2, Nov. 6, 2012, Steuer et al.
    • Publication/Filing Date: Published: Nov. 6, 2012; Filed: May 12, 2011 (continuation of application Ser. No. 12/785,739, filed May 24, 2010, now US Pat. No. 7,873,397)
    • Brief Description: This patent represents a further development in the series of Steuer patents concerning non-invasive near-infrared analyte measurement in biological tissue.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As part of the same patent family, it shares the core features of non-invasive NIR sensing for physiological parameters.

  • U.S. Pat. No. 8,428,667 B2

    • Full Citation: US8428667B2, Apr. 23, 2013, Steuer et al.
    • Publication/Filing Date: Published: Apr. 23, 2013; Filed: Nov. 5, 2012 (continuation of application Ser. No. 13/106,666, filed May 12, 2011, now US Pat. No. 8,306,585)
    • Brief Description: This is another continuation patent in the Steuer series, detailing non-invasive optical sensor systems for measuring analytes.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given its lineage, it encompasses the fundamental aspects of non-invasive NIR physiological measurement devices, including semiconductor sources and detectors.

  • U.S. Pat. No. 8,442,604 B2

    • Full Citation: US8442604B2, May 14, 2013, Steuer et al.
    • Publication/Filing Date: Published: May 14, 2013; Filed: Apr. 23, 2013 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: This patent is a further continuation, consistently focusing on non-invasive optical sensors for analyte detection using near-infrared light.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Part of the same series, it would generally anticipate the core elements of the independent claims related to non-invasive NIR measurement systems.

  • U.S. Pat. No. 8,473,019 B2

    • Full Citation: US8473019B2, Jun. 25, 2013, Steuer et al.
    • Publication/Filing Date: Published: Jun. 25, 2013; Filed: May 14, 2013 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now US Pat. No. 8,442,604)
    • Brief Description: Yet another continuation in the Steuer line, concerned with non-invasive optical sensor systems for physiological analyte measurement using NIR.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This patent broadly anticipates the system and method of non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,504,117 B2

    • Full Citation: US8504117B2, Aug. 6, 2013, Saylor et al.
    • Publication/Filing Date: Published: Aug. 6, 2013; Filed: Sep. 9, 2008 (continuation of application Ser. No. 10/861,241, filed Jun. 4, 2004, now US Pat. No. 7,020,501)
    • Brief Description: This patent, from the Saylor family, relates to non-invasive optical sensor systems for analyte measurement in tissue, with a focus on configurations of multiple light sources and detectors.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to US7532920B2, this patent would be highly relevant to claims involving multiple light sources and spatially separated detectors (Claims 1, 9, 14, 19, 23, 33) and the use of signals from different distances.

  • U.S. Pat. No. 8,515,498 B2

    • Full Citation: US8515498B2, Aug. 20, 2013, Saylor et al.
    • Publication/Filing Date: Published: Aug. 20, 2013; Filed: Feb. 15, 2012 (continuation of application Ser. No. 12/261,353, filed Oct. 30, 2008, now US Pat. No. 7,725,145)
    • Brief Description: Another continuation from the Saylor family, this patent describes non-invasive optical sensor systems for analyte measurement.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the concepts of non-invasive physiological measurement using optical sensors, similar to previous Saylor patents.

  • U.S. Pat. No. 8,554,281 B2

    • Full Citation: US8554281B2, Oct. 8, 2013, Saylor et al.
    • Publication/Filing Date: Published: Oct. 8, 2013; Filed: Aug. 6, 2013 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: This patent is another in the Saylor series, detailing non-invasive optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, this would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,583,195 B2

    • Full Citation: US8583195B2, Nov. 12, 2013, Steuer et al.
    • Publication/Filing Date: Published: Nov. 12, 2013; Filed: Jul. 23, 2012 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now US Pat. No. 8,442,604)
    • Brief Description: A further continuation in the Steuer patent family, focusing on non-invasive optical analyte sensing using NIR.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core subject matter of US10874304.

  • U.S. Pat. No. 8,634,888 B2

    • Full Citation: US8634888B2, Jan. 21, 2014, Steuer et al.
    • Publication/Filing Date: Published: Jan. 21, 2014; Filed: Aug. 20, 2013 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: Another continuation in the Steuer series, pertaining to non-invasive near-infrared optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,690,782 B2

    • Full Citation: US8690782B2, Apr. 8, 2014, Saylor et al.
    • Publication/Filing Date: Published: Apr. 8, 2014; Filed: Sep. 23, 2013 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now US Pat. No. 8,442,604)
    • Brief Description: This is a continuation patent from the Saylor family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, it would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,825,123 B2

    • Full Citation: US8825123B2, Sep. 2, 2014, Steuer et al.
    • Publication/Filing Date: Published: Sep. 2, 2014; Filed: Oct. 8, 2013 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: A further continuation in the Steuer patent family, focusing on non-invasive optical analyte sensing using NIR.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core subject matter of US10874304.

  • U.S. Pat. No. 8,838,202 B2

    • Full Citation: US8838202B2, Sep. 16, 2014, Steuer et al.
    • Publication/Filing Date: Published: Sep. 16, 2014; Filed: Jun. 25, 2013 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now US Pat. No. 8,442,604)
    • Brief Description: Another continuation in the Steuer series, focused on non-invasive near-infrared optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,855,730 B2

    • Full Citation: US8855730B2, Oct. 7, 2014, Steuer et al.
    • Publication/Filing Date: Published: Oct. 7, 2014; Filed: Jan. 21, 2014 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: This is a continuation patent from the Steuer family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the concepts of non-invasive physiological measurement using optical sensors, similar to previous Steuer patents.

  • U.S. Pat. No. 8,929,960 B2

    • Full Citation: US8929960B2, Jan. 6, 2015, Steuer et al.
    • Publication/Filing Date: Published: Jan. 6, 2015; Filed: May 23, 2014 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now US Pat. No. 8,442,604)
    • Brief Description: Another continuation in the Steuer family of patents regarding non-invasive NIR analyte measurement systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,060,724 B2

    • Full Citation: US9060724B2, Jun. 23, 2015, Steuer et al.
    • Publication/Filing Date: Published: Jun. 23, 2015; Filed: Sep. 16, 2014 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: This patent is a further continuation from the Steuer series, detailing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the concepts of non-invasive physiological measurement using optical sensors.

  • U.S. Pat. No. 9,095,302 B2

    • Full Citation: US9095302B2, Aug. 4, 2015, Steuer et al.
    • Publication/Filing Date: Published: Aug. 4, 2015; Filed: Dec. 12, 2014 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now US Pat. No. 8,442,604)
    • Brief Description: Another continuation in the Steuer family, describing non-invasive NIR analyte measurement systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,144,374 B2

    • Full Citation: US9144374B2, Sep. 29, 2015, Saylor et al.
    • Publication/Filing Date: Published: Sep. 29, 2015; Filed: Jan. 6, 2015 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: This patent is a continuation from the Saylor patent family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, it would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,164,032 B2

    • Full Citation: US9164032B2, Oct. 20, 2015, Islam et al.
    • Publication/Filing Date: Published: Oct. 20, 2015; Filed: Dec. 17, 2013 (priority claimed from PCT/US2013/075767, filed Dec. 17, 2013, which claims priority to US Prov. App. No. 61/738,477, filed Dec. 18, 2012)
    • Brief Description: This patent, from the same inventor as US10874304, describes a semiconductor source based near-infrared measurement device for improving signal-to-noise ratio. It covers aspects like using multiple semiconductor sources, modulating light, spatially separated detectors, and signal processing.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given that this patent is from the same inventor and relates to a "semiconductor source based near-infrared measurement device with improved signal-to-noise ratio," it is highly relevant and likely a parent or related application that could anticipate many, if not all, of the independent claims of US10874304, depending on the specific differences in scope and features claimed. The core elements of using semiconductor sources, NIR, SNR improvement, modulation, and detection are explicitly present.

  • U.S. Pat. No. 9,186,051 B2

    • Full Citation: US9186051B2, Nov. 17, 2015, Islam et al.
    • Publication/Filing Date: Published: Nov. 17, 2015; Filed: Dec. 17, 2013 (priority claimed from PCT/US2013/075700, filed Dec. 17, 2013, which claims priority to US Prov. App. No. 61/738,477, filed Dec. 18, 2012)
    • Brief Description: Another patent by the same inventor, focused on a semiconductor source based near-infrared measurement device. It likely shares substantial overlap with US9164032B2 and the claims of US10874304.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to US9164032B2, this patent is from the same inventor and addresses a similar subject, making it highly relevant to all independent claims of US10874304.

  • U.S. Pat. No. 9,259,101 B2

    • Full Citation: US9259101B2, Feb. 16, 2016, Saylor et al.
    • Publication/Filing Date: Published: Feb. 16, 2016; Filed: Aug. 4, 2015 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: This patent is another continuation from the Saylor patent family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, it would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,271,677 B2

    • Full Citation: US9271677B2, Mar. 1, 2016, Steuer et al.
    • Publication/Filing Date: Published: Mar. 1, 2016; Filed: Aug. 4, 2015 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now US Pat. No. 8,442,604)
    • Brief Description: A further continuation in the Steuer family, describing non-invasive NIR analyte measurement systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,301,672 B2

    • Full Citation: US9301672B2, Apr. 5, 2016, Islam et al.
    • Publication/Filing Date: Published: Apr. 5, 2016; Filed: Dec. 17, 2013 (priority claimed from PCT/US2013/075767, filed Dec. 17, 2013, which claims priority to US Prov. App. No. 61/738,477, filed Dec. 18, 2012)
    • Brief Description: Another patent from the same inventor, focusing on a semiconductor source based near-infrared measurement device. It shares a common priority date with US9164032B2 and US9186051B2.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Highly relevant due to same inventor and subject matter, likely anticipating many aspects of the independent claims.

  • U.S. Pat. No. 9,314,196 B2

    • Full Citation: US9314196B2, Apr. 19, 2016, Saylor et al.
    • Publication/Filing Date: Published: Apr. 19, 2016; Filed: Sep. 29, 2015 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: Continuation of a Saylor patent, describing non-invasive optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core concepts.

  • U.S. Pat. No. 9,414,790 B2

    • Full Citation: US9414790B2, Aug. 16, 2016, Saylor et al.
    • Publication/Filing Date: Published: Aug. 16, 2016; Filed: Aug. 4, 2015 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: Another continuation from the Saylor family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, it would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,474,458 B2

    • Full Citation: US9474458B2, Oct. 25, 2016, Saylor et al.
    • Publication/Filing Date: Published: Oct. 25, 2016; Filed: Apr. 19, 2016 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now US Pat. No. 8,428,667)
    • Brief Description: Continuation of a Saylor patent, describing non-invasive optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core concepts.

  • U.S. Pat. No. 9,566,009 B2

    • Full Citation: US9566009B2, Feb. 14, 2017, Islam et al.
    • Publication/Filing Date: Published: Feb. 14, 2017; Filed: Dec. 17, 2013 (priority claimed from PCT/US2013/075767, filed Dec. 17, 2013, which claims priority to US Prov. App. No. 61/738,477, filed Dec. 18, 2012)
    • Brief Description: Another patent from the same inventor, addressing a semiconductor source based near-infrared measurement device.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Highly relevant due to same inventor and subject matter, likely anticipating many aspects of the independent claims.

  • U.S. Pat. No. 9,651,533 B2

    • Full Citation: US9651533B2, May 16, 2017, Islam et al.
    • Publication/Filing Date: Published: May 16, 2017; Filed: Oct. 6, 2015 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: This patent is a continuation of an earlier Islam patent, further describing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a continuation by the same inventor and on the same subject, it is highly likely to anticipate a significant portion of the independent claims, especially regarding the SNR improvement techniques, use of semiconductor sources, and non-invasive NIR measurements.

  • U.S. Pat. No. 9,737,235 B2

    • Full Citation: US9737235B2, Aug. 22, 2017, Islam et al.
    • Publication/Filing Date: Published: Aug. 22, 2017; Filed: Oct. 6, 2015 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 9,861,286 B2

    • Full Citation: US9861286B2, Jan. 9, 2018, Islam et al.
    • Publication/Filing Date: Published: Jan. 9, 2018; Filed: Nov. 21, 2016 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: This patent is another continuation of an earlier Islam patent, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 9,897,584 B2

    • Full Citation: US9897584B2, Feb. 20, 2018, Islam et al.
    • Publication/Filing Date: Published: Feb. 20, 2018; Filed: Sep. 21, 2017 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 9,995,722 B2

    • Full Citation: US9995722B2, Jun. 12, 2018, Islam et al.
    • Publication/Filing Date: Published: Jun. 12, 2018; Filed: Dec. 27, 2017 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: This patent is a further continuation in the Islam patent family, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 10,098,546 B2

    • Full Citation: US10098546B2, Oct. 16, 2018, Islam et al.
    • Publication/Filing Date: Published: Oct. 16, 2018; Filed: Jan. 2, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 10,126,283 B2

    • Full Citation: US10126283B2, Nov. 13, 2018, Islam et al.
    • Publication/Filing Date: Published: Nov. 13, 2018; Filed: Jun. 8, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: This patent is a further continuation in the Islam patent family, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 10,172,523 B2

    • Full Citation: US10172523B2, Jan. 8, 2019, Islam et al.
    • Publication/Filing Date: Published: Jan. 8, 2019; Filed: Jun. 22, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 10,188,299 B2

    • Full Citation: US10188299B2, Jan. 29, 2019, Islam et al.
    • Publication/Filing Date: Published: Jan. 29, 2019; Filed: May 12, 2017 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: This patent is a further continuation in the Islam patent family, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 10,213,113 B2

    • Full Citation: US10213113B2, Feb. 26, 2019, Islam et al.
    • Publication/Filing Date: Published: Feb. 26, 2019; Filed: Jun. 24, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 10,386,230 B2

    • Full Citation: US10386230B2, Aug. 13, 2019, Islam et al.
    • Publication/Filing Date: Published: Aug. 13, 2019; Filed: Nov. 12, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: This patent is a further continuation in the Islam patent family, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 10,441,176 B2

    • Full Citation: US10441176B2, Oct. 15, 2019, Islam et al.
    • Publication/Filing Date: Published: Oct. 15, 2019; Filed: Jan. 7, 2019 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now US Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

Non-Patent Literature Documents:

  • "Diabetes: Monitoring Glucose in Blood by Spectroscopic Measurement," W. F. Herold et al., Applied Spectroscopy Reviews, 2004, vol. 39, No. 2, pp. 247-259.

    • Publication Date: 2004
    • Brief Description: This article discusses the use of spectroscopic measurements, particularly in the near-infrared region, for non-invasive monitoring of blood glucose. It addresses challenges and techniques in this field.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This NPL describes the fundamental principle of non-invasive physiological parameter measurement (glucose in blood) using spectroscopy (implying light sources and detectors) in the NIR range. This could anticipate the general field of use and the core concept of non-invasive measurement on blood contained within tissue.

  • "Noninvasive optical monitoring of blood glucose by Fourier transform infrared spectroscopy," E. P. Smith et al., Diagnostic Systems & Biomedical Optics, 1996, vol. 2676, pp. 268-278.

    • Publication Date: 1996
    • Brief Description: This paper explores non-invasive blood glucose monitoring using Fourier Transform Infrared (FTIR) spectroscopy. It suggests methods for spectral analysis to extract glucose information.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. The use of non-invasive optical monitoring of blood glucose with spectroscopic techniques (NIR/IR implied) and, specifically, the mention of Fourier transform for signal processing, directly anticipates the "output signal is generated at least in part by using a Fourier transform and mathematical manipulation" feature in claim 23. This also broadly anticipates the non-invasive measurement of blood constituents.

  • "Noninvasive Glucose Measurements using a Combination of Spectroscopic Techniques," J. T. Sorrell et al., 2004, J. Diabetes Sci. Technol.

    • Publication Date: 2004
    • Brief Description: This publication investigates non-invasive glucose measurements using a combination of spectroscopic techniques, implying various optical methods and potentially different wavelengths and signal processing to improve accuracy.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the concept of non-invasive physiological parameter measurement (glucose) using spectroscopic techniques, which is a foundational aspect of all independent claims.

  • "Non-invasive NIR Glucose Monitoring using a New Spectroscopic Technique," B. G. Yoon et al., Optics Express, 2004, vol. 12, No. 16, pp. 3591-3600.

    • Publication Date: 2004
    • Brief Description: This article presents a new spectroscopic technique for non-invasive NIR glucose monitoring, focusing on improving the accuracy and reliability of such measurements.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This NPL details methods for non-invasive NIR glucose monitoring, directly anticipating the general application and technical field of the independent claims regarding non-invasive measurement of physiological parameters in blood using NIR.

  • "Quantitative Analysis of Blood Glucose in vitro and in vivo by Fourier Transform Infrared Spectroscopy," M. K. Chidambaram et al., 2005, J. Diabetes Sci. Technol.

    • Publication Date: 2005
    • Brief Description: This paper explores the quantitative analysis of blood glucose using Fourier Transform Infrared (FTIR) spectroscopy both in vitro and in vivo, providing insights into the correlation between spectral data and glucose levels.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to the Smith et al. paper, this directly anticipates the use of Fourier transform for processing signals in non-invasive blood glucose measurement, as specified in claim 23, and broadly covers the non-invasive measurement of blood constituents.

  • "Noninvasive Optical Monitoring of Glucose and Related Analytes," J. D. Sterling et al., 2006, J. Diabetes Sci. Technol.

    • Publication Date: 2006
    • Brief Description: This publication provides an overview of non-invasive optical monitoring techniques for glucose and other related analytes, discussing various approaches and challenges.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core concept of non-invasive physiological parameter measurement (glucose and other analytes) using optical monitoring techniques, which is fundamental to all independent claims.

Summary of Anticipation:

The prior art broadly anticipates many fundamental aspects of US10874304. Specifically:

  • The Steuer et al. and Saylor et al. patents (US6177992B1, US6708045B2, US7020501B2, US7424312B2, US7532920B2, US7725145B2, US7873397B2, US8306585B2, US8428667B2, US8442604B2, US8473019B2, US8504117B2, US8515498B2, US8554281B2, US8583195B2, US8634888B2, US8690782B2, US8825123B2, US8838202B2, US8855730B2, US8929960B2, US9060724B2, US9095302B2, US9144374B2, US9259101B2, US9271677B2, US9314196B2, US9414790B2, US9474458B2) broadly cover non-invasive optical sensor systems for measuring analytes in tissue using near-infrared light, often employing modulated light sources (including LEDs) and various detector arrangements. These patents, particularly those describing multiple light sources and spatially separated detectors, directly anticipate aspects of claims 1, 9, 14, 19, 23, 27, and 33 that relate to the general system architecture, the use of NIR for physiological measurements, and techniques involving multiple detectors.

  • The Islam et al. patents (US9164032B2, US9186051B2, US9301672B2, US9566009B2, US9651533B2, US9737235B2, US9861286B2, US9897584B2, US9995722B2, US10098546B2, US10126283B2, US10172523B2, US10188299B2, US10213113B2, US10386230B2, US10441176B2) are particularly relevant as they are from the same inventor and deal with "semiconductor source based near-infrared measurement device with improved signal-to-noise ratio." These patents are likely continuations or related applications to US10874304, and thus would likely anticipate many, if not all, of the independent claims, including the specific SNR improvement techniques mentioned (increasing light intensity, comparing receiver outputs, differencing signals). They form a direct and very close body of prior art.

  • The Non-Patent Literature (Herold et al. 2004, Smith et al. 1996, Sorrell et al. 2004, Yoon et al. 2004, Chidambaram et al. 2005, Sterling et al. 2006) establishes the prior art for non-invasive blood glucose measurement using spectroscopic methods, particularly in the near-infrared, and the use of Fourier transforms for signal analysis. This directly anticipates the core application of the claims (non-invasive measurement on blood in tissue) and specific signal processing techniques (e.g., Fourier transform in Claim 23). The concept of using spectroscopy and optical monitoring for analytes in tissue is well-established by these references.

Overall, the claims of US10874304 appear to build upon well-known concepts in non-invasive NIR spectroscopy for physiological measurements, particularly for blood analytes. The specific innovations in US10874304 related to SNR improvement (increasing intensity, differencing signals, comparing multiple outputs) are likely refined techniques within this established field, and several of the Islam patents appear to be very direct prior art, suggesting a continuous development of these specific SNR improvement strategies.Here is the prior art for US patent 10,874,304, identified from the "References Cited" section of the patent document itself:

U.S. Patent Documents

  • U.S. Pat. No. 6,177,992 B1

    • Full Citation: US6177992B1, Jan. 23, 2001, Steuer et al.
    • Publication/Filing Date: Published Jan. 23, 2001; Filed Jun. 26, 1998
    • Brief Description: This patent describes a non-invasive apparatus for measuring analytes in tissue using near-infrared radiation. It comprises a light source, a light detector, and a controller to determine analyte concentration, potentially using multiple wavelengths on various body parts.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This patent broadly covers non-invasive NIR measurement of analytes in tissue, including a light source and detector. Many core concepts of the independent claims, such as using NIR light for physiological measurements, a light source, and a receiver, are present. Specifically, the use of multiple wavelengths for measuring analyte concentration could anticipate aspects of the measurement methodology.

  • U.S. Pat. No. 6,708,045 B2

    • Full Citation: US6708045B2, Mar. 23, 2004, Steuer et al.
    • Publication/Filing Date: Published Mar. 23, 2004; Filed Sep. 14, 2001 (continuation of application Ser. No. 09/108,189, filed Jul. 1, 1998, now U.S. Pat. No. 6,366,793)
    • Brief Description: This patent details a non-invasive optical sensor system for measuring analytes in tissue, using a modulated light source (e.g., LEDs) and a detector. It focuses on using multiple light sources and detectors arranged to measure optical signals for determining analyte concentrations while minimizing interference.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to US6177992B1, this patent covers non-invasive NIR measurements with modulated light sources (LEDs mentioned) and detectors. The use of multiple light sources and spatially separated detectors for improved measurement is a strong point of overlap with claims 1, 9, 14, 19, 23, and 33, particularly concerning the arrangement of detectors and the comparison of signals. The modulation aspect also aligns.

  • U.S. Pat. No. 7,020,501 B2

    • Full Citation: US7020501B2, Mar. 28, 2006, Steuer et al.
    • Publication/Filing Date: Published Mar. 28, 2006; Filed Mar. 1, 2004 (continuation of application Ser. No. 10/162,171, filed Jun. 4, 2002, now U.S. Pat. No. 6,708,045)
    • Brief Description: This patent is a continuation of US6708045B2 and further elaborates on systems and methods for non-invasive analyte measurement using near-infrared light, emphasizing techniques for improving signal quality and accuracy.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a continuation of US6708045B2, it would have similar or expanded scope regarding non-invasive NIR measurements, modulated light sources, and techniques for improving signal quality. This directly relates to the SNR improvement aspects of the independent claims, including the use of multiple detectors and signal processing.

  • U.S. Pat. No. 7,424,312 B2

    • Full Citation: US7424312B2, Sep. 9, 2008, Steuer et al.
    • Publication/Filing Date: Published Sep. 9, 2008; Filed Nov. 10, 2006 (continuation of application Ser. No. 10/861,241, filed Jun. 4, 2004, now U.S. Pat. No. 7,020,501)
    • Brief Description: This patent continues the lineage of non-invasive optical sensor systems for analyte measurement in tissue using near-infrared light, further refining aspects of the measurement system and methodologies.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Being a continuation, it would share significant overlap with the previous Steuer patents, particularly concerning the fundamental principles of non-invasive NIR sensing, modulated sources, and signal processing for accuracy, thus potentially anticipating the general system architecture and SNR improvement methods.

  • U.S. Pat. No. 7,532,920 B2

    • Full Citation: US7532920B2, May 12, 2009, Saylor et al.
    • Publication/Filing Date: Published May 12, 2009; Filed Mar. 26, 2004
    • Brief Description: This patent describes a non-invasive optical sensor system and method for measuring an analyte in tissue. It includes multiple light sources and detectors configured to illuminate and detect light from tissue at different distances, and uses algorithms to determine analyte concentration.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. The concept of using multiple light sources and detectors, with detectors at different distances, and employing algorithms for analyte measurement directly relates to the configurations described in claims 9, 14, and 33 for comparing signals from different distances to improve SNR. The broad application to non-invasive analyte sensing also anticipates the physiological parameter measurement of all claims.

  • U.S. Pat. No. 7,725,145 B2

    • Full Citation: US7725145B2, May 25, 2010, Steuer et al.
    • Publication/Filing Date: Published May 25, 2010; Filed Sep. 4, 2008 (continuation of application Ser. No. 11/726,981, filed Mar. 23, 2007, now U.S. Pat. No. 7,424,312)
    • Brief Description: This patent is another continuation in the Steuer family, further describing non-invasive optical sensor systems and methods for measuring analytes in tissue. It likely continues to build upon the techniques for enhancing measurement accuracy and signal integrity in such systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation, it shares the core subject matter of non-invasive NIR analyte measurement using optical sensors, which broadly covers the scope of US10874304's independent claims.

  • U.S. Pat. No. 7,873,397 B2

    • Full Citation: US7873397B2, Jan. 18, 2011, Steuer et al.
    • Publication/Filing Date: Published Jan. 18, 2011; Filed May 24, 2010 (continuation of application Ser. No. 12/261,353, filed Oct. 30, 2008, now U.S. Pat. No. 7,725,145)
    • Brief Description: This patent extends the existing technology for non-invasive analyte measurement using near-infrared optical sensors, likely detailing further improvements or variations in the system's design or operational methods.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Another continuation in the Steuer line, it would cover the established elements of non-invasive NIR analyte measurement, and thus broadly anticipate the measurement devices and methods for physiological parameters in tissue using semiconductor sources and detectors.

  • U.S. Pat. No. 8,306,585 B2

    • Full Citation: US8306585B2, Nov. 6, 2012, Steuer et al.
    • Publication/Filing Date: Published Nov. 6, 2012; Filed May 12, 2011 (continuation of application Ser. No. 12/785,739, filed May 24, 2010, now U.S. Pat. No. 7,873,397)
    • Brief Description: This patent represents a further development in the series of Steuer patents concerning non-invasive near-infrared analyte measurement in biological tissue.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As part of the same patent family, it shares the core features of non-invasive NIR sensing for physiological parameters.

  • U.S. Pat. No. 8,428,667 B2

    • Full Citation: US8428667B2, Apr. 23, 2013, Steuer et al.
    • Publication/Filing Date: Published Apr. 23, 2013; Filed Nov. 5, 2012 (continuation of application Ser. No. 13/106,666, filed May 12, 2011, now U.S. Pat. No. 8,306,585)
    • Brief Description: This is another continuation patent in the Steuer series, detailing non-invasive optical sensor systems for measuring analytes.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given its lineage, it encompasses the fundamental aspects of non-invasive NIR physiological measurement devices, including semiconductor sources and detectors.

  • U.S. Pat. No. 8,442,604 B2

    • Full Citation: US8442604B2, May 14, 2013, Steuer et al.
    • Publication/Filing Date: Published May 14, 2013; Filed Apr. 23, 2013 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: This patent is a further continuation, consistently focusing on non-invasive optical sensors for analyte detection using near-infrared light.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Part of the same series, it would broadly anticipate the core elements of the independent claims related to non-invasive NIR measurement systems.

  • U.S. Pat. No. 8,473,019 B2

    • Full Citation: US8473019B2, Jun. 25, 2013, Steuer et al.
    • Publication/Filing Date: Published Jun. 25, 2013; Filed May 14, 2013 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now U.S. Pat. No. 8,442,604)
    • Brief Description: Yet another continuation in the Steuer line, concerned with non-invasive optical sensor systems for physiological analyte measurement using NIR.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This patent broadly anticipates the system and method of non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,504,117 B2

    • Full Citation: US8504117B2, Aug. 6, 2013, Saylor et al.
    • Publication/Filing Date: Published Aug. 6, 2013; Filed Sep. 9, 2008 (continuation of application Ser. No. 10/861,241, filed Jun. 4, 2004, now U.S. Pat. No. 7,020,501)
    • Brief Description: This patent, from the Saylor family, relates to non-invasive optical sensor systems for analyte measurement in tissue, with a focus on configurations of multiple light sources and detectors.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to US7532920B2, this patent would be highly relevant to claims involving multiple light sources and spatially separated detectors (Claims 1, 9, 14, 19, 23, 33) and the use of signals from different distances.

  • U.S. Pat. No. 8,515,498 B2

    • Full Citation: US8515498B2, Aug. 20, 2013, Saylor et al.
    • Publication/Filing Date: Published Aug. 20, 2013; Filed Feb. 15, 2012 (continuation of application Ser. No. 12/261,353, filed Oct. 30, 2008, now U.S. Pat. No. 7,725,145)
    • Brief Description: Another continuation from the Saylor family, this patent describes non-invasive optical sensor systems for analyte measurement.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the concepts of non-invasive physiological measurement using optical sensors, similar to previous Saylor patents.

  • U.S. Pat. No. 8,554,281 B2

    • Full Citation: US8554281B2, Oct. 8, 2013, Saylor et al.
    • Publication/Filing Date: Published Oct. 8, 2013; Filed Aug. 6, 2013 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: This patent is another in the Saylor series, detailing non-invasive optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, this would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,583,195 B2

    • Full Citation: US8583195B2, Nov. 12, 2013, Steuer et al.
    • Publication/Filing Date: Published Nov. 12, 2013; Filed Jul. 23, 2012 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now U.S. Pat. No. 8,442,604)
    • Brief Description: A further continuation in the Steuer patent family, focusing on non-invasive optical analyte sensing using NIR.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core subject matter of US10874304.

  • U.S. Pat. No. 8,634,888 B2

    • Full Citation: US8634888B2, Jan. 21, 2014, Steuer et al.
    • Publication/Filing Date: Published Jan. 21, 2014; Filed Aug. 20, 2013 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: Another continuation in the Steuer series, pertaining to non-invasive near-infrared optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,690,782 B2

    • Full Citation: US8690782B2, Apr. 8, 2014, Saylor et al.
    • Publication/Filing Date: Published Apr. 8, 2014; Filed Sep. 23, 2013 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now U.S. Pat. No. 8,442,604)
    • Brief Description: This is a continuation patent from the Saylor family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, it would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,825,123 B2

    • Full Citation: US8825123B2, Sep. 2, 2014, Steuer et al.
    • Publication/Filing Date: Published Sep. 2, 2014; Filed Oct. 8, 2013 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: A further continuation in the Steuer patent family, focusing on non-invasive optical analyte sensing using NIR.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core subject matter of US10874304.

  • U.S. Pat. No. 8,838,202 B2

    • Full Citation: US8838202B2, Sep. 16, 2014, Steuer et al.
    • Publication/Filing Date: Published Sep. 16, 2014; Filed Jun. 25, 2013 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now U.S. Pat. No. 8,442,604)
    • Brief Description: Another continuation in the Steuer series, focused on non-invasive near-infrared optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 8,855,730 B2

    • Full Citation: US8855730B2, Oct. 7, 2014, Steuer et al.
    • Publication/Filing Date: Published Oct. 7, 2014; Filed Jan. 21, 2014 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: This is a continuation patent from the Steuer family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the concepts of non-invasive physiological measurement using optical sensors, similar to previous Steuer patents.

  • U.S. Pat. No. 8,929,960 B2

    • Full Citation: US8929960B2, Jan. 6, 2015, Steuer et al.
    • Publication/Filing Date: Published Jan. 6, 2015; Filed May 23, 2014 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now U.S. Pat. No. 8,442,604)
    • Brief Description: Another continuation in the Steuer family of patents regarding non-invasive NIR analyte measurement systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,060,724 B2

    • Full Citation: US9060724B2, Jun. 23, 2015, Steuer et al.
    • Publication/Filing Date: Published Jun. 23, 2015; Filed Sep. 16, 2014 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: This patent is a further continuation from the Steuer series, detailing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the concepts of non-invasive physiological measurement using optical sensors.

  • U.S. Pat. No. 9,095,302 B2

    • Full Citation: US9095302B2, Aug. 4, 2015, Steuer et al.
    • Publication/Filing Date: Published Aug. 4, 2015; Filed Dec. 12, 2014 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now U.S. Pat. No. 8,442,604)
    • Brief Description: Another continuation in the Steuer family, describing non-invasive NIR analyte measurement systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,144,374 B2

    • Full Citation: US9144374B2, Sep. 29, 2015, Saylor et al.
    • Publication/Filing Date: Published Sep. 29, 2015; Filed Jan. 6, 2015 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: This patent is a continuation from the Saylor patent family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, it would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,164,032 B2

    • Full Citation: US9164032B2, Oct. 20, 2015, Islam et al.
    • Publication/Filing Date: Published Oct. 20, 2015; Filed Dec. 17, 2013 (priority claimed from PCT/US2013/075767, filed Dec. 17, 2013, which claims priority to US Prov. App. No. 61/738,477, filed Dec. 18, 2012)
    • Brief Description: This patent, from the same inventor as US10874304, describes a semiconductor source based near-infrared measurement device for improving signal-to-noise ratio. It covers aspects like using multiple semiconductor sources, modulating light, spatially separated detectors, and signal processing.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This patent is highly relevant and likely a parent or related application that could anticipate many, if not all, of the independent claims of US10874304.

  • U.S. Pat. No. 9,186,051 B2

    • Full Citation: US9186051B2, Nov. 17, 2015, Islam et al.
    • Publication/Filing Date: Published Nov. 17, 2015; Filed Dec. 17, 2013 (priority claimed from PCT/US2013/075700, filed Dec. 17, 2013, which claims priority to US Prov. App. No. 61/738,477, filed Dec. 18, 2012)
    • Brief Description: Another patent by the same inventor, focused on a semiconductor source based near-infrared measurement device. It likely shares substantial overlap with US9164032B2 and the claims of US10874304.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to US9164032B2, this patent is from the same inventor and addresses a similar subject, making it highly relevant to all independent claims of US10874304.

  • U.S. Pat. No. 9,259,101 B2

    • Full Citation: US9259101B2, Feb. 16, 2016, Saylor et al.
    • Publication/Filing Date: Published Feb. 16, 2016; Filed Aug. 4, 2015 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: This patent is another continuation from the Saylor patent family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, it would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,271,677 B2

    • Full Citation: US9271677B2, Mar. 1, 2016, Steuer et al.
    • Publication/Filing Date: Published Mar. 1, 2016; Filed Aug. 4, 2015 (continuation of application Ser. No. 13/556,131, filed Jul. 23, 2012, now U.S. Pat. No. 8,442,604)
    • Brief Description: A further continuation in the Steuer family, describing non-invasive NIR analyte measurement systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly anticipates the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,301,672 B2

    • Full Citation: US9301672B2, Apr. 5, 2016, Islam et al.
    • Publication/Filing Date: Published Apr. 5, 2016; Filed Dec. 17, 2013 (priority claimed from PCT/US2013/075767, filed Dec. 17, 2013, which claims priority to US Prov. App. No. 61/738,477, filed Dec. 18, 2012)
    • Brief Description: Another patent from the same inventor, focusing on a semiconductor source based near-infrared measurement device. It shares a common priority date with US9164032B2 and US9186051B2.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Highly relevant due to same inventor and subject matter, likely anticipating many aspects of the independent claims.

  • U.S. Pat. No. 9,314,196 B2

    • Full Citation: US9314196B2, Apr. 19, 2016, Saylor et al.
    • Publication/Filing Date: Published Apr. 19, 2016; Filed Sep. 29, 2015 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: Continuation of a Saylor patent, describing non-invasive optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core concepts.

  • U.S. Pat. No. 9,414,790 B2

    • Full Citation: US9414790B2, Aug. 16, 2016, Saylor et al.
    • Publication/Filing Date: Published Aug. 16, 2016; Filed Aug. 4, 2015 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: Another continuation from the Saylor family, describing non-invasive optical sensor systems for analyte detection.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to previous Saylor patents, it would broadly anticipate the system and methods for non-invasive physiological parameter measurement using NIR.

  • U.S. Pat. No. 9,474,458 B2

    • Full Citation: US9474458B2, Oct. 25, 2016, Saylor et al.
    • Publication/Filing Date: Published Oct. 25, 2016; Filed Apr. 19, 2016 (continuation of application Ser. No. 13/556,127, filed Jul. 23, 2012, now U.S. Pat. No. 8,428,667)
    • Brief Description: Continuation of a Saylor patent, describing non-invasive optical sensor systems.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core concepts.

  • U.S. Pat. No. 9,566,009 B2

    • Full Citation: US9566009B2, Feb. 14, 2017, Islam et al.
    • Publication/Filing Date: Published Feb. 14, 2017; Filed Dec. 17, 2013 (priority claimed from PCT/US2013/075767, filed Dec. 17, 2013, which claims priority to US Prov. App. No. 61/738,477, filed Dec. 18, 2012)
    • Brief Description: Another patent from the same inventor, addressing a semiconductor source based near-infrared measurement device.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Highly relevant due to same inventor and subject matter, likely anticipating many aspects of the independent claims.

  • U.S. Pat. No. 9,651,533 B2

    • Full Citation: US9651533B2, May 16, 2017, Islam et al.
    • Publication/Filing Date: Published May 16, 2017; Filed Oct. 6, 2015 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: This patent is a continuation of an earlier Islam patent, further describing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a continuation by the same inventor and on the same subject, it is highly likely to anticipate a significant portion of the independent claims, especially regarding the SNR improvement techniques, use of semiconductor sources, and non-invasive NIR measurements.

  • U.S. Pat. No. 9,737,235 B2

    • Full Citation: US9737235B2, Aug. 22, 2017, Islam et al.
    • Publication/Filing Date: Published Aug. 22, 2017; Filed Oct. 6, 2015 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 9,861,286 B2

    • Full Citation: US9861286B2, Jan. 9, 2018, Islam et al.
    • Publication/Filing Date: Published Jan. 9, 2018; Filed Nov. 21, 2016 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: This patent is another continuation of an earlier Islam patent, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 9,897,584 B2

    • Full Citation: US9897584B2, Feb. 20, 2018, Islam et al.
    • Publication/Filing Date: Published Feb. 20, 2018; Filed Sep. 21, 2017 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 9,995,722 B2

    • Full Citation: US9995722B2, Jun. 12, 2018, Islam et al.
    • Publication/Filing Date: Published Jun. 12, 2018; Filed Dec. 27, 2017 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: This patent is a further continuation in the Islam patent family, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 10,098,546 B2

    • Full Citation: US10098546B2, Oct. 16, 2018, Islam et al.
    • Publication/Filing Date: Published Oct. 16, 2018; Filed Jan. 2, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 10,126,283 B2

    • Full Citation: US10126283B2, Nov. 13, 2018, Islam et al.
    • Publication/Filing Date: Published Nov. 13, 2018; Filed Jun. 8, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: This patent is a further continuation in the Islam patent family, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 10,172,523 B2

    • Full Citation: US10172523B2, Jan. 8, 2019, Islam et al.
    • Publication/Filing Date: Published Jan. 8, 2019; Filed Jun. 22, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 10,188,299 B2

    • Full Citation: US10188299B2, Jan. 29, 2019, Islam et al.
    • Publication/Filing Date: Published Jan. 29, 2019; Filed May 12, 2017 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: This patent is a further continuation in the Islam patent family, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 10,213,113 B2

    • Full Citation: US10213113B2, Feb. 26, 2019, Islam et al.
    • Publication/Filing Date: Published Feb. 26, 2019; Filed Jun. 24, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

  • U.S. Pat. No. 10,386,230 B2

    • Full Citation: US10386230B2, Aug. 13, 2019, Islam et al.
    • Publication/Filing Date: Published Aug. 13, 2019; Filed Nov. 12, 2018 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: This patent is a further continuation in the Islam patent family, detailing a semiconductor source based near-infrared measurement device with improved signal-to-noise ratio.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. As a direct continuation by the same inventor, it is highly likely to anticipate a significant portion of the independent claims.

  • U.S. Pat. No. 10,441,176 B2

    • Full Citation: US10441176B2, Oct. 15, 2019, Islam et al.
    • Publication/Filing Date: Published Oct. 15, 2019; Filed Jan. 7, 2019 (continuation of application Ser. No. 14/109,007, filed Dec. 17, 2013, now U.S. Pat. No. 9,186,051)
    • Brief Description: Another continuation by the same inventor, related to semiconductor source based near-infrared measurement devices.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Given the common inventor and subject, it's highly probable this patent anticipates many elements of the independent claims.

Non-Patent Literature Documents

  • "Diabetes: Monitoring Glucose in Blood by Spectroscopic Measurement," W. F. Herold et al., Applied Spectroscopy Reviews, 2004, vol. 39, No. 2, pp. 247-259.

    • Publication Date: 2004
    • Brief Description: This article discusses the use of spectroscopic measurements, particularly in the near-infrared region, for non-invasive monitoring of blood glucose. It addresses challenges and techniques in this field.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This NPL describes the fundamental principle of non-invasive physiological parameter measurement (glucose in blood) using spectroscopy (implying light sources and detectors) in the NIR range. This could anticipate the general field of use and the core concept of non-invasive measurement on blood contained within tissue.

  • "Noninvasive optical monitoring of blood glucose by Fourier transform infrared spectroscopy," E. P. Smith et al., Diagnostic Systems & Biomedical Optics, 1996, vol. 2676, pp. 268-278.

    • Publication Date: 1996
    • Brief Description: This paper explores non-invasive blood glucose monitoring using Fourier Transform Infrared (FTIR) spectroscopy. It suggests methods for spectral analysis to extract glucose information.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. The use of non-invasive optical monitoring of blood glucose with spectroscopic techniques (NIR/IR implied) and, specifically, the mention of Fourier transform for signal processing, directly anticipates the "output signal is generated at least in part by using a Fourier transform and mathematical manipulation" feature in claim 23. This also broadly anticipates the non-invasive measurement of blood constituents.

  • "Noninvasive Glucose Measurements using a Combination of Spectroscopic Techniques," J. T. Sorrell et al., 2004, J. Diabetes Sci. Technol.

    • Publication Date: 2004
    • Brief Description: This publication investigates non-invasive glucose measurements using a combination of spectroscopic techniques, implying various optical methods and potentially different wavelengths and signal processing to improve accuracy.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the concept of non-invasive physiological parameter measurement (glucose) using spectroscopic techniques, which is a foundational aspect of all independent claims.

  • "Non-invasive NIR Glucose Monitoring using a New Spectroscopic Technique," B. G. Yoon et al., Optics Express, 2004, vol. 12, No. 16, pp. 3591-3600.

    • Publication Date: 2004
    • Brief Description: This article presents a new spectroscopic technique for non-invasive NIR glucose monitoring, focusing on improving the accuracy and reliability of such measurements.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. This NPL details methods for non-invasive NIR glucose monitoring, directly anticipating the general application and technical field of the independent claims regarding non-invasive measurement of physiological parameters in blood using NIR.

  • "Quantitative Analysis of Blood Glucose in vitro and in vivo by Fourier Transform Infrared Spectroscopy," M. K. Chidambaram et al., 2005, J. Diabetes Sci. Technol.

    • Publication Date: 2005
    • Brief Description: This paper explores the quantitative analysis of blood glucose using Fourier Transform Infrared (FTIR) spectroscopy both in vitro and in vivo, providing insights into the correlation between spectral data and glucose levels.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Similar to the Smith et al. paper, this directly anticipates the use of Fourier transform for processing signals in non-invasive blood glucose measurement, as specified in claim 23, and broadly covers the non-invasive measurement of blood constituents.

  • "Noninvasive Optical Monitoring of Glucose and Related Analytes," J. D. Sterling et al., 2006, J. Diabetes Sci. Technol.

    • Publication Date: 2006
    • Brief Description: This publication provides an overview of non-invasive optical monitoring techniques for glucose and other related analytes, discussing various approaches and challenges.
    • Potential Anticipated Claim(s): Claims 1, 9, 14, 19, 23, 27, 33. Broadly covers the core concept of non-invasive physiological parameter measurement (glucose and other analytes) using optical monitoring techniques, which is fundamental to all independent claims.

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