Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785601 | Air-fuel ratio control apparatus of internal combustion engine and method thereof | Hidekazu Yoshizawa | 2004-08-31 |
| 6763806 | Combustion control apparatus and combustion control method of internal combustion engine | — | 2004-07-20 |
| 6725175 | Apparatus and method for diagnosing sliding mode control system | Kenichi Machida | 2004-04-20 |
| 6712054 | Device and method for measuring element temperature of air-fuel ratio sensor, and device and method for controlling heater of air-fuel ratio sensor | Koji Takahashi, Shigeo Ohkuma | 2004-03-30 |
| 6708681 | Method and device for feedback controlling air-fuel ratio of internal combustion engine | Hidekazu Yoshizawa | 2004-03-23 |