Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722342 | Fuel injection control system and method for internal combustion engine as well as engine control unit | Ken Ogawa, Kenji Hirose, Hiroyuki Goto | 2004-04-20 |
| 6655345 | Valve timing controller, valve timing control method and engine control unit for internal combustion engine | Ken Ogawa, Isao Komoriya | 2003-12-02 |
| 6602165 | Control system for direct injection spark ignition internal combustion engine | Ken Ogawa | 2003-08-05 |
| 6550465 | Cylinder air/fuel ratio estimation system of internal combustion engine | Masaki Ueno, Masahiro Sato, Ken Ogawa | 2003-04-22 |
| 6536210 | Exhaust gas purification apparatus for internal combustion engine | Isao Komoriya, Ken Ogawa, Masanori Hayashi | 2003-03-25 |
| 6516772 | Combustion state control system of internal combustion engine | Masaki Ueno, Masahiro Sato, Ken Ogawa, Isao Komoriya | 2003-02-11 |
| 6332459 | Control system of air-fuel ratio sensor heater temperature for internal combustion engine | Shuji Nagatani | 2001-12-25 |
| 5713197 | Catalyst deterioration-detecting system for internal combustion engines | Ken Ogawa, Hidehito Ikebe, Yoshikazu Oshima | 1998-02-03 |
| 5615550 | Air-fuel ratio control system for internal combustion engines | Ken Ogawa | 1997-04-01 |
| 5483935 | Control system for internal combustion engines | Ken Ogawa, Yoshikazu Oshima, Kei Machida, Atsushi Kato | 1996-01-16 |
| 5426935 | Air-fuel ratio control system for internal combustion engines | Ken Ogawa | 1995-06-27 |
| 5426938 | Control system for internal combustion engines | Ken Ogawa, Yoshikazu Oshima, Kei Machida, Atsushi Kato | 1995-06-27 |
| 5386694 | Control system for internal combustion engines | Ken Ogawa, Kei Machida | 1995-02-07 |