Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935099 | Deteriorated state evaluation device of exhaust emission control equipment | Masahiro Sato, Masaki Ueno, Kenichi Ohmori | 2005-08-30 |
| 6923849 | Hydrocarbon adsorbent state determining apparatus | Masaki Ueno, Hideharu Yamazaki, Shiro Takakura, Tetsuo Endo | 2005-08-02 |
| 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 |
| 6647972 | State determining apparatus for exhaust gas recirculation system | Masahiro Sato, Yoshihisa Iwaki, Masaki Ueno, Shusuke Akazaki | 2003-11-18 |
| 6641303 | Temperature control system for humidity sensor | Hideharu Yamazaki, Tadashi Sato, Takashi Haga, Masaki Ueno, Kei Machida | 2003-11-04 |
| 6581370 | Failure determination device for humidity sensor and control system for exhaust passage changeover valve | Masahiro Sato, Yoshihisa Iwaki, Masaki Ueno, Shusuke Akazaki, Takashi Haga +1 more | 2003-06-24 |