Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Tsuneyuki Egami — 64 Patents

NSNippon Soken: 33 patents #18 of 1,540Top 2%
Denso: 28 patents #197 of 11,792Top 2%
Toyota: 8 patents #3,629 of 26,838Top 15%
NCNippondenso Co.: 5 patents #465 of 3,479Top 15%
Okazaki, JP: #10 of 156 inventorsTop 7%
Overall (All Time): #34,958 of 4,157,543Top 1%
64 Patents All Time

Issued Patents All Time

Showing 51–64 of 64 patents

Patent #TitleCo-InventorsDate
4414847 Gas flow measuring apparatus Tokio Kohama, Hisasi Kawai, Hideki Obayashi 1983-11-15
4409828 Gas flow measuring device Tokio Kohama, Hideki Obayashi, Hisasi Kawai 1983-10-18
4399697 Gas flow measuring apparatus Tokio Kohama, Hideki Obayashi, Hisasi Kawai 1983-08-23
4393702 Gas flow measuring device Tokio Kohama, Hideki Obayashi, Hisasi Kawai 1983-07-19
4391132 Gas flow measuring apparatus Hisasi Kawai, Tokio Kohama, Hideki Obayashi 1983-07-05
4384484 Gas flow measuring device Tokio Kohama, Hideki Obayashi, Hisasi Kawai 1983-05-24
4357830 Gas flow measuring apparatus Tokio Kohama, Hisasi Kawai, Hideki Obayashi 1982-11-09
4332165 Gas flow measuring device Hisasi Kawai, Tokio Kohama, Hideki Obayashi 1982-06-01
4304129 Gas flow measuring apparatus Hisasi Kawai, Tokio Kohama, Hideki Obayashi 1981-12-08
4276773 Gas flow measuring apparatus Hisasi Kawai, Tokio Kohama, Hideki Obayashi 1981-07-07
4275590 Gas flow measuring apparatus Hisasi Kawai, Tokio Kohama, Hideki Obayashi 1981-06-30
4265163 Fuel control system for internal combustion engines Umeo Arao, Tooru Kosuda, Yasuhiro Takeuchi 1981-05-05
4200843 Non-linear operational circuit Hisasi Kawai, Tokio Kohama, Hideki Obayashi 1980-04-29
4188586 Demodulator circuit for chopper amplifier 1980-02-12