Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758033 | State determining apparatus for exhaust gas purifier | Masaki Ueno, Masahiro Sato, Tetsuo Endo, Shiro Takakura | 2004-07-06 |
| 6758038 | Temperature estimating apparatus for internal combustion engine | Masaki Ueno, Masahiro Sato, Hideharu Yamazaki | 2004-07-06 |
| 6698186 | Air-fuel ratio controller for internal combustion engines | Masaki Ueno, Shusuke Akazaki, Hiroshi Kitagawa | 2004-03-02 |
| 6684150 | Apparatus for and method of controlling plant | Yuji Yasui, Hiroshi Tagami, Kunihiro Morishita | 2004-01-27 |
| 6681567 | Control system for internal combustion engine | Yuji Yasui, Masaki Ueno, Shusuke Akazaki, Masahiro Sato | 2004-01-27 |
| 6668214 | Control system for throttle valve actuating device | Yuji Yasui, Jun Takahashi | 2003-12-23 |
| 6668200 | Control system for plant | Yuji Yasui, Jun Takahashi | 2003-12-23 |
| 6647972 | State determining apparatus for exhaust gas recirculation system | Masahiro Sato, Masaki Ueno, Shusuke Akazaki, Yasuyuki Miyahara | 2003-11-18 |
| 6640540 | Adsorbent state determining apparatus | Masahiro Sato, Masaki Ueno, Shusuke Akazaki, Yuji Yasui | 2003-11-04 |
| 6636783 | Control system for throttle valve actuating device | Yuji Yasui, Jun Takahashi | 2003-10-21 |
| 6602471 | Adsorption amount sensor and coking sensor for internal combustion engine | Masahiro Sato, Yuji Yasui, Takashi Haga, Masaki Ueno, Tetsuo Endo | 2003-08-05 |
| 6581370 | Failure determination device for humidity sensor and control system for exhaust passage changeover valve | Masahiro Sato, Masaki Ueno, Shusuke Akazaki, Takashi Haga, Tadashi Sato +1 more | 2003-06-24 |
| 6550449 | Control system for internal combustion engine | Shusuke Akazaki, Masaki Ueno | 2003-04-22 |
| 6449943 | Method of evaluating deteriorated state of catalytic converter for purifying exhaust gas | Masaki Ueno, Shusuke Akazaki | 2002-09-17 |
| 6449944 | Method of judging deterioration of emission gas control catalyst device | Yuji Yasui, Shusuke Akazaki, Tadashi Satoh, Masaki Ueno | 2002-09-17 |
| 6389804 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Yuji Yasui, Tadashi Satoh, Masahiro Satoh | 2002-05-21 |
| 6378296 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Yuji Yasui, Masahiro Satoh | 2002-04-30 |
| 6370473 | Air-fuel ratio control apparatus for multicylinder internal combustion engine | Yuji Yasui, Shusuke Akazaki | 2002-04-09 |
| 6354076 | Exhaust gas purification system of internal combustion engine | Yuji Yasui, Shusuke Akazaki, Tadashi Satoh, Masaki Ueno, Takashi Haga +1 more | 2002-03-12 |
| 6327850 | Air-fuel ratio control apparatus for multicylinder internal combustion engine | Yuji Yasui, Shusuke Akazaki | 2001-12-11 |
| 6292739 | Air-fuel ratio control system for internal combustion engine | Yuji Yasui, Shusuke Akazaki, Tadashi Sato, Masaki Ueno, Hiroshi Tagami +1 more | 2001-09-18 |
| 6286306 | Exhaust gas purification system of internal combustion engine | Shiro Takakura, Yuji Yasui, Tadashi Satoh, Masaki Ueno, Masahiro Sato | 2001-09-11 |
| 6276131 | Apparatus for controlling internal combustion engine | Masaki Ueno, Yuji Yasui, Tadashi Sato, Shusuke Akazaki | 2001-08-21 |
| 6266605 | Plant control system | Yuji Yasui, Shusuke Akazaki, Tadashi Sato, Masaki Ueno | 2001-07-24 |
| 6230486 | Plant control system | Yuji Yasui, Shusuke Akazaki, Tadashi Sato, Masaki Ueno | 2001-05-15 |