Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453895 | Feedback control device and feedback control method of air-fuel ratio in internal combustion engine | Koji Takahashi | 2002-09-24 |
| 6453896 | Air-fuel ratio feedback control apparatus and method of internal combustion engine | Koji Takahashi | 2002-09-24 |
| 6450158 | Air-fuel ratio feedback control apparatus of internal combustion engine and method thereof | Koji Takahashi, Hajime Hosoya, Hidekazu Yoshizawa | 2002-09-17 |
| 6450159 | Fuel vapor treatment apparatus in internal combustion engine and method thereof | — | 2002-09-17 |
| 6453229 | Air-fuel ratio control device for internal combustion engine and method thereof | Koji Takahashi, Satoru Watanabe, Hajime Hosoya, Hidekazu Yoshizawa, Haruhiro Iwaki | 2002-09-17 |
| 6389882 | Apparatus and method for diagnosing leakage in fuel vapor treatment apparatus | — | 2002-05-21 |