Issued Patents All Time
Showing 51–75 of 119 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189317 | Apparatus for controlling internal combustion engine | Yuji Yasui, Masaki Ueno, Tadashi Sato, Yoshihisa Iwaki | 2001-02-20 |
| 6188953 | Plant control system | Yuji Yasui, Yoshihisa Iwaki | 2001-02-13 |
| 6125831 | Control system for plants | Yuji Yasui, Yusuke Hasegawa, Yoshihisa Iwaki, Hiroshi Kitagawa | 2000-10-03 |
| 6116213 | Control system for controlling internal combustion engine | Yuji Yasui, Yoshihisa Iwaki, Tadashi Satoh, Masaki Ueno | 2000-09-12 |
| 6112517 | Plant control system | Yuji Yasui, Yoshihisa Iwaki | 2000-09-05 |
| 6082099 | Plant control system | Yuji Yasui, Yoshihisa Iwaki | 2000-07-04 |
| 6079205 | Plant control system | Yuji Yasui, Yoshihisa Iwaki | 2000-06-27 |
| 6073073 | Air/fuel ratio control system for an internal combustion engine | Toru Kitamura, Hiroshi Kitagawa | 2000-06-06 |
| 6041279 | Fuel metering control system for internal combustion engine | Hidetaka Maki, Toshiaki Hirota | 2000-03-21 |
| 6026793 | Control system for plants | Yuji Yasui, Yusuke Hasegawa, Yoshihisa Iwaki, Hiroshi Kitagawa | 2000-02-22 |
| 6021767 | Air-fuel ratio control system for multi-cylinder internal combustion engines | Yuji Yasui, Yusuke Hasegawa, Yoshihisa Iwaki, Hiroshi Kitagawa | 2000-02-08 |
| 5983875 | Control system for plants | Hiroshi Kitagawa, Yuji Yasui, Yusuke Hasegawa, Yoshihisa Iwaki | 1999-11-16 |
| 5946906 | Exhaust gas purification system of internal combustion engine | Kohei Hanada, Yuji Yasui, Tadashi Satoh, Takashi Haga | 1999-09-07 |
| 5937638 | Method of judging deterioration of catalytic converter for purifying exhaust gas | Kohei Hanada, Yuji Yasui, Yoshikazu Oshima | 1999-08-17 |
| 5924281 | Air-fuel ratio control system for internal combustion engines | Yuji Yasui, Kohei Hanada | 1999-07-20 |
| 5908463 | Fuel metering control system for internal combustion engine | Yusuke Hasegawa, Isao Komoriya, Hidetaka Maki, Yoichi Nishimura, Toshiaki Hirota | 1999-06-01 |
| 5880952 | Sliding mode control method | Yuji Yasui, Kohei Hanada | 1999-03-09 |
| 5852930 | Air-fuel ratio control system for internal combustion engines | Yuji Yasui, Kohei Hanada | 1998-12-29 |
| 5845491 | Air-fuel ratio control system for internal combustion engines | Yuji Yasui, Kohei Hanada | 1998-12-08 |
| 5845490 | Air-fuel ratio control system for internal combustion engines | Yuji Yasui, Kohei Hanada | 1998-12-08 |
| 5839415 | Air-fuel ratio control system having function of after-start lean-burn control for internal combustion engines | Norio Suzuki, Koichi Fujimori, Yusuke Hasegawa, Hiroki Munakata, Masuhiro Yoshizaki | 1998-11-24 |
| 5806012 | Fuel metering control system for internal combustion engine | Hidetaka Maki, Yusuke Hasegawa, Isao Komoriya, Yoichi Nishimura, Toshiaki Hirota | 1998-09-08 |
| 5797369 | Air-fuel ratio control system having function of after-start lean-burn control for internal combustion engines | Norio Suzuki, Koichi Fujimori, Yusuke Hasegawa, Hiroki Munakata, Masuhiro Yoshizaki | 1998-08-25 |
| 5797261 | Air-fuel ratio control system for internal combustion engines | Yoichi Nishimura, Yuji Yasui | 1998-08-25 |
| 5794604 | Air-fuel ratio control system having function of after-start lean-burn control for internal combustion engines | Norio Suzuki, Koichi Fujimori, Yusuke Hasegawa, Hiroki Munakata, Masuhiro Yoshizaki | 1998-08-18 |