Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8646254 | Exhaust emission purification method and exhaust emission purification system | Takao Onodera, Akira Hirata, Takashi Haseyama, Shinji Gotou, Hitoshi Satou +2 more | 2014-02-11 |
| 8453432 | Control method of exhaust emission purification system and exhaust emission purification system | Takashi Haseyama, Akihiro Inamura, Shinji Gotou, Hitoshi Satou, Tatsuo Mashiko +3 more | 2013-06-04 |
| 8336291 | Exhaust throttle valve diagnosing device and method | Akira Hanari | 2012-12-25 |
| 7698931 | Fuel pressure sensor diagnosing device and method | Akira Hanari | 2010-04-20 |