Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6141960 | Exhaust gas purifying system for engine | Akihide Takami, Hideharu Iwakuni, Makoto Kyogoku, Hiroshi Yamada, Kenji Okamoto +5 more | 2000-11-07 |
| 5909724 | Engine control method | Hirofumi Nishimura, Tomomi Watanabe, Michihiro Imada | 1999-06-08 |
| 5832724 | Air-fuel ratio control system for engines | Tomomi Watanabe, Fumihiko Saito | 1998-11-10 |
| 5755205 | Engine control system | Hirofumi Nishimura, Tomomi Watanabe, Michihiro Imada | 1998-05-26 |