Issued Patents All Time
Showing 251–275 of 293 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636783 | Control system for throttle valve actuating device | Yoshihisa Iwaki, Jun Takahashi | 2003-10-21 |
| 6602471 | Adsorption amount sensor and coking sensor for internal combustion engine | Masahiro Sato, Yoshihisa Iwaki, Takashi Haga, Masaki Ueno, Tetsuo Endo | 2003-08-05 |
| 6477458 | Air-fuel ratio control apparatus for internal combustion engine | Yoshikazu Oshima | 2002-11-05 |
| 6449944 | Method of judging deterioration of emission gas control catalyst device | Shusuke Akazaki, Yoshihisa Iwaki, Tadashi Satoh, Masaki Ueno | 2002-09-17 |
| 6427438 | Method of evaluating deteriorated state of catalytic converter for purifying exhaust gas | Yoshikazu Oshima | 2002-08-06 |
| 6401451 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Yushihisa Iwaki, Tadashi Satoh, Masahiro Satoh | 2002-06-11 |
| 6389804 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Yoshihisa Iwaki, Tadashi Satoh, Masahiro Satoh | 2002-05-21 |
| 6378296 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Yoshihisa Iwaki, Masahiro Satoh | 2002-04-30 |
| 6370473 | Air-fuel ratio control apparatus for multicylinder internal combustion engine | Shusuke Akazaki, Yoshihisa Iwaki | 2002-04-09 |
| 6367245 | Method of evaluating deteriorated state of exhaust gas adsorbent | Tetsuo Endo, Tadashi Sato, Shiro Takakura | 2002-04-09 |
| 6354076 | Exhaust gas purification system of internal combustion engine | Shusuke Akazaki, Tadashi Satoh, Yoshihisa Iwaki, Masaki Ueno, Takashi Haga +1 more | 2002-03-12 |
| 6334304 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Kei Machida, Tetsuo Endo, Shiro Takakura | 2002-01-01 |
| 6327850 | Air-fuel ratio control apparatus for multicylinder internal combustion engine | Shusuke Akazaki, Yoshihisa Iwaki | 2001-12-11 |
| 6292739 | Air-fuel ratio control system for internal combustion engine | Shusuke Akazaki, Tadashi Sato, Masaki Ueno, Yoshihisa Iwaki, Hiroshi Tagami +1 more | 2001-09-18 |
| 6286306 | Exhaust gas purification system of internal combustion engine | Shiro Takakura, Tadashi Satoh, Yoshihisa Iwaki, Masaki Ueno, Masahiro Sato | 2001-09-11 |
| 6276131 | Apparatus for controlling internal combustion engine | Masaki Ueno, Yoshihisa Iwaki, Tadashi Sato, Shusuke Akazaki | 2001-08-21 |
| 6266605 | Plant control system | Shusuke Akazaki, Tadashi Sato, Masaki Ueno, Yoshihisa Iwaki | 2001-07-24 |
| 6256983 | Plant control system | — | 2001-07-10 |
| 6230486 | Plant control system | Shusuke Akazaki, Tadashi Sato, Masaki Ueno, Yoshihisa Iwaki | 2001-05-15 |
| 6209517 | Apparatus for controlling rotational speed of internal combustion engine | — | 2001-04-03 |
| 6195988 | Air-fuel ratio control system for internal combustion engine | Shusuke Akazaki, Tadashi Sato, Masaki Ueno, Yoshihisa Iwaki | 2001-03-06 |
| 6192311 | Apparatus for controlling internal combustion engine | Masaki Ueno | 2001-02-20 |
| 6189317 | Apparatus for controlling internal combustion engine | Shusuke Akazaki, Masaki Ueno, Tadashi Sato, Yoshihisa Iwaki | 2001-02-20 |
| 6188953 | Plant control system | Shusuke Akazaki, Yoshihisa Iwaki | 2001-02-13 |
| 6182445 | Exhaust switch-over valve malfunction detection system of internal combustion engine | Hideharu Yamazaki, Takashi Haga, Katsumi Saito, Yoshihisa Iwaki | 2001-02-06 |