Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328673 | Valve timing correction control apparatus and method for an internal combustion engine | — | 2008-02-12 |
| 7308873 | Variable valve control system for internal combustion engine | Masahiro Arai | 2007-12-18 |
| 7216239 | Counterfeit detecting program, method, and apparatus of digital data | — | 2007-05-08 |
| 7077085 | Variable valve control system and method for multi-cylinder internal combustion engine | Masahiro Arai | 2006-07-18 |
| 7051704 | Intake air control apparatus and method for internal combustion engine | — | 2006-05-30 |
| 7021258 | Learning apparatus and method for variable valve control of internal combustion engine | Tsuneyasu Nohara, Yuuzou Akasaka, Hajime Miura, Satoshi Nishii | 2006-04-04 |
| 6971350 | Variable valve control system for internal combustion engine | Yuuzou Akasaka, Tsuneyasu Nohara, Hajime Miura, Satoshi Nishii | 2005-12-06 |
| 6938420 | Supercharger for internal combustion engine | Kenichi Fujimura, Ryou Ikegami, Susumu Kubo, Hideharu Kadooka, Naoki Mishima +2 more | 2005-09-06 |
| 6931838 | Engine exhaust gas leak diagnosis | — | 2005-08-23 |
| 6922995 | Supercharging device for internal combustion engine | Kenichi Fujimura, Hideharu Kadooka, Susumu Kubo, Motoyuki Hattori, Naoki Mishima | 2005-08-02 |
| 6877493 | Variable operation intake valve controlling apparatus and method for internal combustion engine | Takeshi Etou | 2005-04-12 |
| 6820579 | Variable valve operating system of engine enabling variation of working angle and phase | Takeshi Etoh | 2004-11-23 |
| 6453734 | Diagnosis for EGR system | Saburo Tomikawa, Osamu Matsuno | 2002-09-24 |
| 6276343 | Leak diagnostic system of evaporative emission control system for internal combustion engines | Hideaki Kobayashi | 2001-08-21 |
| 6230553 | Abnormality diagnosis apparatus of engine cooling system | Katsuaki Uchiyama | 2001-05-15 |
| 6227037 | Diagnosis for evaporative emission control system | Akihiro Kawano | 2001-05-08 |
| 6220229 | Apparatus for detecting evaporative emission control system leak | Akihiro Kawano | 2001-04-24 |
| 6220230 | Evaporative emission control system for internal combustion engine | Akihiro Kawano | 2001-04-24 |
| 6102015 | Diagnostic device and method for exhaust gas recirculation system | Takeshi Tsuyuki | 2000-08-15 |
| 5644912 | System for diagnosing deterioration of catalyst in exhaust system of internal combustion engine | — | 1997-07-08 |
| 5644073 | Diagnostic system for variable valve timing control system | Osamu Matsuno | 1997-07-01 |
| 5483945 | Air/fuel ratio control system for engine | Masato Kobayashi, Osamu Matsuno, Youichi Kishimoto | 1996-01-16 |
| 5448980 | Leak diagnosis system for evaporative emission control system | Masato Kobayashi | 1995-09-12 |
| 5440921 | Device for detecting misfire of internal combustion engine | Osamu Matsuno, Takashi Aramaki, Jun Nakanowatari | 1995-08-15 |
| 5408866 | Leak diagnosis system for evaporative emission control system | Osamu Matsuno, Yoichi Kishimoto | 1995-04-25 |