Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820413 | State determining apparatus for exhaust gas purifier | Masaki Ueno, Yoshihisa Iwaki, Shiro Takakura, Tadashi Sato | 2004-11-23 |
| 6799420 | Method of evaluating deteriorated state of hydrocarbon adsorbent | Masaki Ueno, Tetsuo Endo, Hideharu Yamazaki, Shiro Takakura, Kei Machida +1 more | 2004-10-05 |
| 6792749 | Exhaust gas purifying apparatus for internal combustion engine | Masaki Ueno, Shiro Takakura, Tadashi Sato | 2004-09-21 |
| 6772586 | Method of detecting failure of humidity sensor | Kenichi Ohmori, Norihito Watanabe, Masao Komine, Kenji Abe | 2004-08-10 |
| 6769247 | Exhaust gas valve device in internal combustion engine | Norihito Watanabe, Tadashi Sato, Masao Komine, Kenichi Ohmori, Kenji Abe +1 more | 2004-08-03 |
| 6729122 | Exhaust gas purification system of internal combustion engines | Norihito Watanabe, Kenji Abe, Masao Komine, Kenichi Ohmori, Tadashi Sato +1 more | 2004-05-04 |