Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816230 | Air-fuel ratio control system for internal combustion engines | Naohiro Kurokawa, Norio Suzuki, Yuh Yoshii | 1998-10-06 |
| 5813389 | Cylinder-by-cylinder air-fuel ratio-estimating system for internal combustion engines | Akira Kato | 1998-09-29 |
| 5806506 | Cylinder-by-cylinder air-fuel ratio-estimating system for internal combustion engines | Hiroshi Ohno, Yusuke Hasegawa, Yoichi Nishimura, Kenichiro Ishii | 1998-09-15 |
| 5746680 | Control system for automatic transmissions | Akira Kato, Hisashi Igarashi, Sakae Suzuki, Yasuo Takagi, Toshiaki Hirota +1 more | 1998-05-05 |
| 5661974 | Control system with function of protecting catalytic converter for internal combustion engines for vehicles | Akira Katoh, Sakae Suzuki | 1997-09-02 |
| 5637052 | Control system for motor vehicles equipped with a torque converter and a lock-up clutch | Toshiaki Hirota, Hisashi Igarashi, Yoshiharu Saito, Jun Takahashi, Akira Kato | 1997-06-10 |
| 5622049 | Control system with function of protecting catalytic converter for internal combustion engines for automotive vehicles | Kazutomo Sawamura, Shigetaka Kuroda, Akira Katoh | 1997-04-22 |
| 5605131 | Engine output control system for vehicle | Tetsuya Ohno, Kenichirou Ishii, Toshiaki Hirota | 1997-02-25 |
| 5601064 | Fuel injection control system for internal combustion engines | Sachito Fujimoto, Yutaka Taniguchi, Ryuji Sato, Keiji Tsujii | 1997-02-11 |
| 5586544 | Fuel injection amount control system for internal combustion engines and intake passage wall temperature-estimating device used therein | Akira Katoh, Katsuhiro Kumagai, Sachito Fujimoto, Hiroshi Kitagawa, Shunichi Tsuzuki +2 more | 1996-12-24 |
| 5524591 | Fuel supply amount control system for internal combustion engines | Toshiaki Hirota, Sachito Fujimoto, Masami Watanabe | 1996-06-11 |
| 5505174 | EGR rate estimation system for internal combustion engine | Isao Komoriya, Yusuke Hasegawa, Hidetaka Maki, Shusuke Akazaki, Hiroshi Kitagawa | 1996-04-09 |
| 5008001 | Process for hydrogenation of heavy oil | Yoshio Ohashi, Masami Sekino, Kenichi Murakawa | 1991-04-16 |
| 4989250 | Speech synthesizing apparatus and method | Mitsuo Fujimoto | 1991-01-29 |