Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950419 | Method of and system for purifying exhaust gas for engines | Hirofumi Nishimura, Tadataka Nakazumi, Ken Umehara, Takanobu Morimasa | 1999-09-14 |
| 5394845 | Intake system for engine | Yoshihisa Noh, Yoshihiko Imamura, Fumihiko Saito, Kazuhiko Hashimoto | 1995-03-07 |
| 5048496 | Fuel injection system for engine and method for injecting fuel | Michihiko Tabata | 1991-09-17 |
| 4811231 | Apparatus for controlling fuel injection and swirl motion of air in internal combustion engine | Kenji Hataoka, Akinori Yamashita, Noboru Hashimoto | 1989-03-07 |
| 4727845 | Air-fuel ratio control apparatus for engines | Masashi Marubara, Makoto Hotate, Hiroyuki Oda | 1988-03-01 |
| 4714063 | Intake system for internal combustion engine | Hiroyuki Oda, Akihito Nagao, Akinori Yamashita, Katsumi Okazaki | 1987-12-22 |
| 4658792 | Fuel injection system for internal combustion engine | Akinori Yamashita, Kenji Hataoka, Noboru Hashimoto | 1987-04-21 |