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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 26–50 of 64 patents

Patent #TitleCo-InventorsDate
6118247 Drive control apparatus for electric synchronous machine having field winding Kazuyoshi Obayashi, Hiroya Tsuji 2000-09-12
6018694 Controller for hybrid vehicle Hiroshi Fujita, Keiichiro Banzai, Takeshi Sawada, Hiroya Tsuji, Kazuyoshi Obayashi +3 more 2000-01-25
5832395 Electric automotive vehicle control apparatus Toshihiko Takeda 1998-11-03
5789881 Power source control apparatus for hybrid vehicles Yousuke Setaka, Tatsuru Morioka, Keiichiro Banzai 1998-08-04
5731669 Control apparatus for electric vehicle Takumi Shimizu 1998-03-24
5650708 Inverter control apparatus using a two-phase modulation method Takeshi Sawada, Hiroshi Fujita, Hiroya Tsuji, Kanji Takeuchi 1997-07-22
5614803 Inverter control apparatus Tatsuru Morioka 1997-03-25
4682041 Coating quality measuring device and method Tsutomu Saito, Mitosi Ando, Ryuzou Hori, Takashi Kamo, Kazunori Yoshida 1987-07-21
4661695 Optical apparatus and method for detecting the top dead center position of an engine piston Satoshi Mori, Kouichi Mori, Hidetaka Nohira, Kunimasa Yoshimura 1987-04-28
4642773 Method and apparatus for controlling an engine Masahiko Miyaki 1987-02-10
4636648 Coating quality measuring device Tsutomu Saito, Mitosi Ando, Ryuzou Hori, Takashi Kamo, Kazunori Yoshida 1987-01-13
4633840 Method for controlling air-fuel ratio in internal combustion engine Tsutomu Saito, Tokio Kohama, Kimitaka Saito, Hiroshi Takahashi, Kunihiko Sato 1987-01-06
4635200 System for controlling air-fuel ratio in an internal combustion engine Tsutomu Saito, Tokio Kohama, Kimitaka Saito, Kunihiko Sato, Hiroshi Takahashi 1987-01-06
4627402 Method and apparatus for controlling air-fuel ratio in internal combustion engine Kimitaka Saito, Kenzi Iwamoto, Tsutomu Saito, Takesi Matuyama 1986-12-09
4627404 Method and apparatus for controlling air-fuel ratio in internal combustion engine Kimitaka Saito, Tokio Kohama, Tsutomu Saito, Hiroshi Takahashi, Kunihiko Sato 1986-12-09
4616619 Method for controlling air-fuel ratio in internal combustion engine Kimitaka Saito, Tokio Kohama, Tsutomu Saito, Hiroshi Takahashi, Kunihiko Sato 1986-10-14
4570594 Method for controlling internal combustion engine Hisasi Kawai, Tsutomu Saito 1986-02-18
4499882 System for controlling air-fuel ratio in internal combustion engine Kimitaka Saito, Tokio Kohama, Tsutomu Saito, Susumu Nogami, Yukio Suzuki 1985-02-19
4489695 Method and system for output control of internal combustion engine Tokio Kohama, Seizi Huzino, Hideki Obayashi, Hisasi Kawai 1984-12-25
4471655 Gas flow rate measuring apparatus Hideki Obayashi, Tokio Kohama, Hisasi Kawai 1984-09-18
4471315 Differential amplifier circuit Norihito Tokura, Hisasi Kawai 1984-09-11
4437345 Gas flow measuring device Hisasi Kawai, Tokio Kohama, Hideki Obayashi 1984-03-20
4434767 Output control system for multicylinder internal combustion engine Tokio Kohama, Seizi Huzino, Hideki Obayashi, Hisasi Kawai 1984-03-06
4425792 Apparatus for measuring a fluid flow rate Tokio Kohama, Hideki Obayashi, Hisasi Kawai 1984-01-17
4417471 Gas flow measuring device Hisasi Kawai, Tokio Kohama, Hideki Obayashi 1983-11-29