Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450158 | Air-fuel ratio feedback control apparatus of internal combustion engine and method thereof | Koji Takahashi, Shigeo Ohkuma, Hidekazu Yoshizawa | 2002-09-17 |
| 6453229 | Air-fuel ratio control device for internal combustion engine and method thereof | Shigeo Ohkuma, Koji Takahashi, Satoru Watanabe, Hidekazu Yoshizawa, Haruhiro Iwaki | 2002-09-17 |
| 6431131 | Apparatus and a method for sliding mode control | Hidekazu Yoshizawa, Norio Moteki | 2002-08-13 |
| 6250282 | Idle rotation speed learning control method and apparatus of an electronically controlled throttle type internal combustion engine | Hiroyuki Osaki, Hiroshi Katoh, Shigeaki Kakizaki, Mikio Matsumoto | 2001-06-26 |
| 5992373 | Apparatus and method for controlling fuel injection of direct injection gasoline internal combustion engine | Naoki Tomisawa | 1999-11-30 |
| 5970950 | Control method and control apparatus of direct injection gasoline engine | Hirokazu Shimizu, Hiraku Ohba, Yuki Nakajima, Takamasa Ueda | 1999-10-26 |
| 5806497 | Method of and apparatus for controlling fuel injection of internal combustion engine | — | 1998-09-15 |
| 5743132 | Throttle valve switch unit | Satoru Watanabe | 1998-04-28 |
| 5735244 | Engine control apparatus | Kenichi Machida | 1998-04-07 |
| 5679892 | Temperature-sensitive flow amount detection apparatus for internal combustion engine | Naoki Tomisawa | 1997-10-21 |
| 5614667 | Method and apparatus for controlling throttle valve contamination learning | — | 1997-03-25 |
| 5590633 | Fuel injection control system for engine | Naoki Tomisawa | 1997-01-07 |