Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854452 | Fuel vapor handling system | Syujiro Morinaga, Yoshinori Maegawa, Makoto Miwa | 2005-02-15 |
| 6832509 | Fuel vapor control system with leak check | Syujiro Morinaga, Yoshinori Maegawa, Makoto Miwa | 2004-12-21 |
| 6807851 | Leak-check apparatus of fuel-vapor-processing system, fuel-temperature estimation apparatus and fuel-temperature-sensor diagnosis apparatus | Syujiro Morinaga, Yoshinori Maegawa, Makoto Miwa | 2004-10-26 |
| 6725710 | Thermostat malfunction detecting system for engine cooling system | Tatsuya Oka, Akira Ichikawa | 2004-04-27 |
| 6679110 | Thermostat malfunction detecting system for engine cooling system | Tatsuya Oka, Akira Ichikawa | 2004-01-20 |
| 6665608 | Coolant temperature estimation system for estimating temperature of coolant of internal combustion engine | Toshio Kondo | 2003-12-16 |
| 6637416 | Diagnosis apparatus for detecting abnormal state of evaporation gas purge system | — | 2003-10-28 |
| 6564782 | Device for detecting canister deterioration | Takeshi Fujimoto | 2003-05-20 |
| 6386022 | Thermostat malfunction detecting system for engine cooling system | Tatsuya Oka, Akira Ichikawa | 2002-05-14 |
| 6279390 | Thermostat malfunction detecting system for engine cooling system | Tatsuya Oka, Akira Ichikawa | 2001-08-28 |
| 6148803 | Leakage diagnosing device for fuel evaporated gas purge system | Yoshihiro Majima, Takeshi Fujimoto, Junya Morikawa, Shigenori Isomura, Makoto Miwa | 2000-11-21 |
| 6085706 | Valve timing control apparatus for internal combustion engine | Hisashi Kadowaki, Akimoto Watanabe, Junya Morikawa | 2000-07-11 |
| 6082337 | Abnormality detection apparatus for preventing fuel gas emission | Takeshi Fujimoto, Masaaki Nakayama, Yasuo Mukai, Hisayo Dohta, Junya Morikawa +1 more | 2000-07-04 |
| 6047674 | Valve timing control apparatus for internal combustion engine | Hisashi Kadowaki, Junya Morikawa | 2000-04-11 |
| 5728941 | Misfire detecting apparatus using difference in engine rotation speed variance | Kenji Yamamoto, Akira Ichikawa | 1998-03-17 |
| 5263453 | Apparatus for detecting misfire in internal combustion engines for vehicles | Kouichi Shimizu, Minoru Hotta | 1993-11-23 |