Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591184 | Cylinder identifying system for internal combustion engine | Shiro Yonezawa, Hirofumi Ohuchi | 2003-07-08 |
| 6499450 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Hirofumi Ohuchi | 2002-12-31 |
| 6494173 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Hirofumi Ohuchi | 2002-12-17 |
| 6446602 | Cylinder identifying system for internal combustion engine | Shiro Yonezawa, Hirofumi Ohuchi | 2002-09-10 |
| 6412459 | Valve timing controller for internal combustion engine | Tatsuhiko Takahashi | 2002-07-02 |
| 6397803 | Valve timing control system for internal combustion engine | Morio Fujiwara, Tatsuhiko Takahashi | 2002-06-04 |
| 6301543 | Control system for internal combustion engine | Morio Fujiwara, Tatsuhiko Takahashi, Satoshi Wachi | 2001-10-09 |
| 6283074 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Satoshi Wachi, Hirofumi Ohuchi | 2001-09-04 |
| 6276341 | Internal-combustion engine control system | Tatsuhiko Takahashi, Takeshi Kawakami | 2001-08-21 |
| 6266606 | Control system for internal combustion engine | Morio Fujiwara, Tatsuhiko Takahashi, Satoshi Wachi | 2001-07-24 |
| 6263275 | Control system for internal combustion engine | Morio Fujiwara, Tatsuhiko Takahashi, Satoshi Wachi | 2001-07-17 |
| 6240359 | Control system for internal combustion engine | Morio Fujiwara, Tatsuhiko Takahashi, Satoshi Wachi | 2001-05-29 |
| 6213067 | Control device for internal combustion engine | Tatsuhiko Takahashi, Takeshi Kawakami, Hirofumi Ohuchi | 2001-04-10 |
| 6213070 | Control apparatus for internal combustion engine | Koji Wada, Takeshi Kawakami | 2001-04-10 |
| 6213069 | Valve timing control device for use in an internal combustion engine | Koji Wada | 2001-04-10 |
| 6196174 | Valve timing control system for internal combustion engine | Koji Wada | 2001-03-06 |
| 6196173 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Satoshi Wachi, Hirofumi Ohuchi | 2001-03-06 |
| 6092505 | Engine controlling apparatus for an automotive engine | Tatsuhiko Takahashi, Shiro Yonezawa, Satoshi Wachi, Hirofumi Ohuchi | 2000-07-25 |
| 6016794 | Fuel injection control apparatus for internal combustion engine | Shiro Yonezawa, Hirofumi Ohuchi, Tatsuhiko Takahashi | 2000-01-25 |
| 5554802 | Cylinder identifying device for an internal combustion engine | Wataru Fukui | 1996-09-10 |
| 5522256 | Cylinder discriminating apparatus for internal combustion engine | Wataru Fukui | 1996-06-04 |
| 5429093 | Apparatus for controller internal combustion engine | Wataru Fukui | 1995-07-04 |
| 5325833 | Control apparatus for internal combustion engine | Wataru Fukui, Noriaki Hayashi | 1994-07-05 |
| 5309757 | Cylinder identifying apparatus for a multi-cylinder internal combustion engine | Toshio Iwata | 1994-05-10 |
| 5287837 | Knock suppressing apparatus for internal combustion engine | Toshio Iwata | 1994-02-22 |