Infineon Technologies North America Corp. is a subsidiary of Infineon Technologies AG, a German-headquartered company that designs and manufactures semiconductor devices. Founded on April 1, 1999, as a spin-off from Siemens AG, Infineon Technologies AG is a public company traded on the Frankfurt Stock Exchange (FWB: IFX) and the OTCQX International market in the USA (IFNNY). As of the end of September 2025, the parent company had approximately 57,000 employees worldwide and reported revenues of about €14.7 billion for its 2025 fiscal year. Infineon Technologies USA has headquarters in El Segundo, California, and Milpitas, California.
Infineon offers a wide range of semiconductor solutions focused on power systems and IoT, facilitating decarbonization and digitalization. The company's major product lines include microcontrollers, power semiconductors, sensor systems, and radio-frequency components, as well as secure payment and identification solutions. These products serve various applications in the automotive (e.g., powertrain, safety systems, comfort electronics), industrial, and multimarket sectors, including power management, high-frequency applications, and chip card security. The company operates through four key segments: Automotive (ATV), Green Industrial Power (GIP), Power & Sensor Systems (PSS), and Connected Secure Systems (CSS).
In terms of patent litigation, Infineon Technologies North America Corp. appears to be an operating company that primarily defends against patent assertions. The company has been involved in one tracked case, appearing solely as a defendant and zero times as a plaintiff. This single tracked case is a Patent Trial and Appeal Board (PTAB) proceeding, which is a common venue for companies to challenge the validity of patents asserted against them.
The sole notable tracked case for Infineon Technologies North America Corp. is "Innoscience America, Inc. et al. v. Infineon Technologies North America Corp," which was filed at the Patent Trial and Appeal Board on February 4, 2025. This case involves Infineon Technologies North America Corp. in a defensive posture at the PTAB. The parent company, Infineon Technologies AG, has a history of strategic acquisitions, including International Rectifier in 2014, Cypress Semiconductor in 2019, Imagimob in 2023, and GaN Systems in 2023, expanding its technological portfolio.