Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718754 | Oxygen storage control of engine exhaust gas purification catalyst | Hideaki Kobayashi | 2004-04-13 |
| 6651631 | Fuel vapor emission control device for an engine | Takane Hayashi, Takeshi Tsuyuki, Masato Kobayashi | 2003-11-25 |
| 6637194 | Exhaust emission control for engine | Masatomo Kakuyama, Osamu Matsuno | 2003-10-28 |
| 6622479 | Engine exhaust purification device | Masatomo Kakuyama, Osamu Matsuno | 2003-09-23 |
| 6622477 | Air/fuel ratio controller for internal combustion engine | Hideaki Kobayashi | 2003-09-23 |
| 6619032 | Engine exhaust purification device | Masatomo Kakuyama, Osamu Matsuno | 2003-09-16 |
| 6564544 | Engine exhaust purification arrangement | Masatomo Kakuyama, Osamu Matsuno | 2003-05-20 |
| 6499290 | Engine exhaust purification device | Takeshi Nakamura, Ritsuo Sato, Masatomo Kakuyama, Osamu Matsuno | 2002-12-31 |
| 6494038 | Engine air-fuel ratio controller | Hideaki Kobayashi, Masatomo Kakuyama, Osamu Matsuno | 2002-12-17 |
| 6490859 | Engine exhaust purification device | Masatomo Kakuyama, Osamu Matsuno | 2002-12-10 |
| 6453887 | Fuel vapor emission control device for an engine | Takane Hayashi, Takeshi Tsuyuki, Masato Kobayashi | 2002-09-24 |
| 6363313 | Fuel property detecting system | Hiroshi Katoh, Takane Hayashi | 2002-03-26 |
| 6314724 | Air-fuel ratio controller and method of controlling air-fuel ratio | Masatomo Kakuyama, Akira Tayama, Hirofumi Tsuchida | 2001-11-13 |
| 6250282 | Idle rotation speed learning control method and apparatus of an electronically controlled throttle type internal combustion engine | Hiroyuki Osaki, Hajime Hosoya, Hiroshi Katoh, Mikio Matsumoto | 2001-06-26 |
| 6161530 | Control system for internal combustion engine | Mikio Matsumoto, Hiraku Ooba | 2000-12-19 |
| 6116221 | Gasoline vapor purging system of internal combustion engine | Mikio Matsumoto, Masaya Furushou, Hiraku Ooba | 2000-09-12 |
| 6079397 | Apparatus and method for estimating concentration of vaporized fuel purged into intake air passage of internal combustion engine | Mikio Matsumoto, Masaya Furushou, Hiraku Ooba | 2000-06-27 |
| 6070567 | Individual cylinder combustion state detection from engine crankshaft acceleration | Hirofumi Tsuchida, Mikio Matsumoto | 2000-06-06 |
| 5771690 | Engine exhaust purifier | Kenichi Sato, Koji Ishihara, Mikio Matsumoto | 1998-06-30 |
| 5191865 | Engine idle control system for vehicle | Kunitomo Minamitani, Hiromo Yoshioka | 1993-03-09 |