Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752011 | Thermostat failure diagnosis apparatus for internal combustion engine | Takuya Matsumoto, Yoshiaki Higuchi, Hidetsugu Kanao, Tomonobu Sakagami | 2004-06-22 |
| 6532808 | Thermostat failure diagnosis apparatus for internal combustion engine | Takuya Matsumoto, Yoshiaki Higuchi, Hidetsugu Kanao, Tomonobu Sakagami | 2003-03-18 |
| 6449539 | Self-diagnosis system for vehicle and diagnosis method using same | Yoshinori Ohno | 2002-09-10 |
| 6397824 | Fault diagnosing apparatus for evapopurge systems | Takashi Takatsuka, Hidetsugu Kanao, Tomonobu Sakagami, Kenji Saito, Haruki Fukuda | 2002-06-04 |
| 6382178 | In-cylinder injection type spark ignition internal combustion engine | Hirofumi Higashi, Yasuhiko Iwamoto, Tetsuo Kataoka, Shinichi Murata, Kazuhiro Ichimoto +2 more | 2002-05-07 |
| 6196180 | In-cylinder injection type spark ignition internal combustion engine | Hirofumi Higashi, Yasuhiko Iwamoto, Tetsuo Kataoka, Shinichi Murata, Kazuhiro Ichimoto +2 more | 2001-03-06 |
| 5785150 | Swash plate type axial piston pump including lubrication mechanism, and valve plate | Tsutomu Tominaga, Tatsuya Ikegami, Kazuyoshi Yamamoto, Osamu Matsumoto, Kazuyuki Ushio +3 more | 1998-07-28 |
| 5598817 | Fuel feeding system for internal combustion engine | Kyoya Igarashi, Masato Yoshida, Nobuaki Murakami, Hideyuki Oda | 1997-02-04 |
| 5146879 | Variable compression ratio apparatus for internal combustion engine | Kazuhiro Shiraishi, Masahiko Matsuda, Toru Okada | 1992-09-15 |
| 5119629 | Method of and apparatus for controlling air fuel ratio of internal combustion engine | Reijiro Komagome, Katsuo Akishino, Yoshiaki Kodama, Michiyasu Yoshida, Toshio Yuminaka | 1992-06-09 |
| 5095878 | Air/fuel ratio control system for internal combustion engine | Shiro Kumagai, Katsuo Akishino, Reijiro Komagome, Michiyasu Yoshida, Masaki Nishizawa +2 more | 1992-03-17 |
| 5077971 | Air/fuel ratio control system for an internal combustion engine | Shiro Kumagai, Katsuo Akishino, Reijiro Komagome, Michiyasu Yoshida, Masaki Nishizawa +2 more | 1992-01-07 |
| 5056308 | System for feedback-controlling the air-fuel ratio of an air-fuel mixture to be supplied to an internal combustion engine | Michiyasu Yoshida, Yoshiaki Kodama, Kazuo Koga | 1991-10-15 |
| 5025767 | Air/fuel ratio control system for internal combustion engine and air/fuel ratio controlling oxygen density sensor | Reijiro Komagome, Kazuhiro Shiraishi | 1991-06-25 |
| 4912926 | Air/fuel ratio control system for internal combustion engine | Shiro Kumagai, Reijiro Komagome, Yoshiaki Kodama | 1990-04-03 |
| 4835964 | Diesel particulate oxidizer regeneration system | Satoru Kume, Michiyasu Yoshida, Hiroki Oshima, Mitsuhiro Kawagoe, Kazuo Koga | 1989-06-06 |
| 4719751 | Diesel particulate oxidizer regeneration system | Satoru Kume, Michiyasu Yoshida, Hiroki Oshima, Mitsuhiro Kawagoe, Kazuo Koga | 1988-01-19 |
| 4589254 | Regenerator for diesel particulate filter | Satoru Kume, Michiyasu Yoshida, Yoshihiro Konno, Hiroaki Takada, Kiyoichi Shinsei +2 more | 1986-05-20 |