Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796295 | Evaporated fuel treatment device for internal combustion engine | Toru Kidokoro, Yoshihiko Hyodo | 2004-09-28 |
| 6742379 | Intake air oxygen concentration sensor calibration device and method | Mamoru Yoshioka | 2004-06-01 |
| 6739177 | Combustible-gas sensor, diagnostic device for intake-oxygen concentration sensor, and air-fuel ratio control device for internal combustion engines | Fumihiko Sato, Mamoru Yoshioka, Yoshihiko Hyoudo, Takayuki Takeuchi, Naohisa Oyama +1 more | 2004-05-25 |