Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10527006 | Mounting structure of water injection device of internal combustion engine | Takashi Kondo, Yutaka Kohda | 2020-01-07 |
| 6978598 | Deteriorated state evaluation device for exhaust emission control equipment | Tetsuo Endo, Kei Machida, Norihito Watanabe | 2005-12-27 |
| 6945034 | Exhaust gas purifying apparatus for internal combustion engine | Masaki Ueno, Kei Machida | 2005-09-20 |
| 6923849 | Hydrocarbon adsorbent state determining apparatus | Masaki Ueno, Hideharu Yamazaki, Yasuyuki Miyahara, Tetsuo Endo | 2005-08-02 |
| 6820416 | Exhaust emission control system for an internal combustion engine | Masaki Ueno, Kei Machida | 2004-11-23 |
| 6820413 | State determining apparatus for exhaust gas purifier | Masaki Ueno, Yoshihisa Iwaki, Yasuyuki Miyahara, Tadashi Sato | 2004-11-23 |
| 6799420 | Method of evaluating deteriorated state of hydrocarbon adsorbent | Masaki Ueno, Tetsuo Endo, Hideharu Yamazaki, Kei Machida, Yasuyuki Miyahara +1 more | 2004-10-05 |
| 6792749 | Exhaust gas purifying apparatus for internal combustion engine | Masaki Ueno, Yasuyuki Miyahara, Tadashi Sato | 2004-09-21 |
| 6758033 | State determining apparatus for exhaust gas purifier | Masaki Ueno, Yoshihisa Iwaki, Masahiro Sato, Tetsuo Endo | 2004-07-06 |
| 6477830 | Fault determining apparatus for exhaust passage switching valve | Masaki Ueno, Masahiro Sato, Tetsuo Endo | 2002-11-12 |
| 6367245 | Method of evaluating deteriorated state of exhaust gas adsorbent | Yuji Yasui, Tetsuo Endo, Tadashi Sato | 2002-04-09 |
| 6334304 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Kei Machida, Tetsuo Endo, Yuji Yasui | 2002-01-01 |
| 6286306 | Exhaust gas purification system of internal combustion engine | Yuji Yasui, Tadashi Satoh, Yoshihisa Iwaki, Masaki Ueno, Masahiro Sato | 2001-09-11 |