Issued Patents 2004
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830032 | Control system for throttle valve actuating device | Yuji Yasui, Jun Takahashi | 2004-12-14 |
| 6823839 | Apparatus for and method of controlling temperature of exhaust gas sensor, and recording medium storing program for controlling temperature of exhaust gas sensor | Yuji Yasui | 2004-11-30 |
| 6820413 | State determining apparatus for exhaust gas purifier | Masaki Ueno, Shiro Takakura, Yasuyuki Miyahara, Tadashi Sato | 2004-11-23 |
| 6814067 | Control system for plant and air-fuel ratio control system for internal combustion engine | Yuji Yasui | 2004-11-09 |
| 6816776 | Control system for plant | Yuji Yasui, Eiji Hashimoto | 2004-11-09 |
| 6816774 | O2 sensor, apparatus for and method of controlling air-fuel ratio, and recording medium storing air-fuel ratio control program | Yuji Yasui | 2004-11-09 |
| 6763655 | Catalyst state detector for exhaust gas purifying catalyst | Masaki Ueno, Shusuke Akazaki, Masahiro Sato, Hideharu Yamazaki, Tetsuo Endo +2 more | 2004-07-20 |
| 6760658 | Exhaust emission control system for internal combustion engine | Yuji Yasui, Hiroshi Tagami, Kunihiro Morishita | 2004-07-06 |
| 6758038 | Temperature estimating apparatus for internal combustion engine | Masaki Ueno, Masahiro Sato, Hideharu Yamazaki | 2004-07-06 |
| 6758033 | State determining apparatus for exhaust gas purifier | Masaki Ueno, Masahiro Sato, Tetsuo Endo, Shiro Takakura | 2004-07-06 |
| 6698186 | Air-fuel ratio controller for internal combustion engines | Masaki Ueno, Shusuke Akazaki, Hiroshi Kitagawa | 2004-03-02 |
| 6681567 | Control system for internal combustion engine | Yuji Yasui, Masaki Ueno, Shusuke Akazaki, Masahiro Sato | 2004-01-27 |
| 6684150 | Apparatus for and method of controlling plant | Yuji Yasui, Hiroshi Tagami, Kunihiro Morishita | 2004-01-27 |