Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755017 | Device for purifying exhaust gas of an internal combustion engine | Hideaki Katashiba, Kenro Mitsuda, Kouji Hamano | 2004-06-29 |
| 6672268 | Method and apparatus for controlling electromagnetic driving valve for internal combustion engine | Kenji Ogawa | 2004-01-06 |
| 6519932 | Exhaust gas purification apparatus and method for an internal combustion engine | Hirofumi Ohuchi, Hideaki Katashiba, Tosiaki Yonekura | 2003-02-18 |
| 6499474 | Air/fuel ratio control apparatus for internal combustion engine | Hideaki Katashiba, Li H. Liu, Hiromichi Hisato | 2002-12-31 |
| 6345498 | Exhaust gas purifier for internal combustion engine | Tosiaki Yonekura, Hideaki Katashiba, Hirofumi Ohuchi | 2002-02-12 |
| 6301543 | Control system for internal combustion engine | Morio Fujiwara, Atsuko Hashimoto, Tatsuhiko Takahashi | 2001-10-09 |
| 6283074 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Atsuko Hashimoto, Hirofumi Ohuchi | 2001-09-04 |
| 6279537 | Air fuel ratio control apparatus for an internal combustion engine | Tosiaki Yonekura, Hideaki Katashiba, Hirofumi Ohuchi | 2001-08-28 |
| 6266606 | Control system for internal combustion engine | Morio Fujiwara, Atsuko Hashimoto, Tatsuhiko Takahashi | 2001-07-24 |
| 6260524 | Valve timing control system for internal combustion engine | — | 2001-07-17 |
| 6263275 | Control system for internal combustion engine | Morio Fujiwara, Atsuko Hashimoto, Tatsuhiko Takahashi | 2001-07-17 |
| 6240359 | Control system for internal combustion engine | Morio Fujiwara, Atsuko Hashimoto, Tatsuhiko Takahashi | 2001-05-29 |
| 6196173 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Atsuko Hashimoto, Hirofumi Ohuchi | 2001-03-06 |
| 6092505 | Engine controlling apparatus for an automotive engine | Tatsuhiko Takahashi, Shiro Yonezawa, Atsuko Hashimoto, Hirofumi Ohuchi | 2000-07-25 |
| 6058346 | Deceleration controlling apparatus capable of controlling deceleration during a throttle valve failure | Shiro Yonezawa, Tatsuhiko Takahashi | 2000-05-02 |
| 5924959 | Device for controlling an automatic transmission and an engine for vehicles | Shiro Yonezawa, Hirofumi Ohuchi, Tatsuhiko Takahashi | 1999-07-20 |
| 5201217 | Control device for an internal combustion engine | — | 1993-04-13 |