Furuno Electric Co., Ltd. (古野電気, commonly "Furuno") is a Japanese manufacturer of marine and industrial electronics headquartered at 9-52 Ashihara-cho, Nishinomiya City, Hyogo, Japan. The company traces its origins to 1938, when Kiyotaka Furuno founded Furuno Electric Shokai in Nagasaki; the present entity was incorporated in 1951 and listed on the Osaka Securities Exchange in 1982. It is publicly traded on the Tokyo Stock Exchange Prime Market (ticker 6814; OTC: FNOEF) and remains independent, with Yukio Furuno as President and CEO. Per its own corporate profile (as of February 28, 2026), consolidated sales were ¥140,616 million and consolidated headcount 3,411 (1,954 non-consolidated), across roughly 36 consolidated subsidiaries.
Furuno's core technology is sensing based on ultrasound and electromagnetic waves. Its Marine segment supplies merchant-vessel radars, AIS, ECDIS, integrated bridge and satellite communication systems; fish finders, sonars and radiotelephones for fishing fleets; and chart plotters, autopilots and multifunction displays for recreational boats. The Industrial segment covers automotive ETC/DSRC tolling systems, GPS/GNSS receivers and GPS-disciplined oscillators, medical devices such as clinical chemistry analyzers and ultrasound bone densitometers, wireless LAN access points and handheld terminals, plus electromagnetic-environment testing. It also provides weather and displacement monitoring systems. The company has reported a leading global share in merchant-vessel radar (roughly 41%, based on 2019 installations at Japanese, Chinese and Korean yards).
The tracked litigation shows Furuno as a plaintiff in all five cases and a defendant in none — an operating company asserting its own patents offensively against competitors, not an NPE and not a defensive target of NPE suits. Targets were rival marine-electronics makers: Garmin (US International Trade Commission, 2013), Honeywell (ITC and District of Oregon, both 2011), and Navico Holding and Raymarine UK in the District of Oregon. The mix of Section 337 ITC investigations and Oregon federal filings — rather than NPE-favored venues such as the Eastern District of Texas — is consistent with competitor-versus-competitor patent disputes in marine electronics; the case data does not indicate outcomes.