Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023401 | Abnormality detecting device for exhaust secondary air supplying system | Akira Hashimoto, Yoshitaka Hibino, Masaaki Tomii, Hiroyuki Sugiura, Kentaro Yokoo | 2000-02-08 |
| 5881552 | Control system for internal combustion engines and control system for vehicles | Yoichi Iwata, Akira Katoh, Tetsu Teshirogi, Kentaro Yokoo, Naoki Iida +1 more | 1999-03-16 |
| 5713198 | Exhaust gas-purifying device for internal combustion engines | Takuya Aoki, Yuichi Shimasaki, Takashi Komatsuda, Hiroaki Kato, Akihisa Saito | 1998-02-03 |
| 5634331 | Exhaust gas-purifying device for internal combustion engines | Takuya Aoki, Yuichi Shimasaki, Takashi Komatsuda, Hiroaki Kato, Akihisa Saito | 1997-06-03 |
| 5600949 | Exhaust gas-purifying system for internal combustion engines | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Takashi Komatsuda, Seiji Hatcho +3 more | 1997-02-11 |
| 5584177 | Adsorber temperature-estimating device for internal combustion engines and exhaust gas-purifying system using same | Tetsu Teshirogi, Yuichi Shimasaki, Seiji Hatcho, Seiji Matsumoto, Takuya Aoki +4 more | 1996-12-17 |
| 5555724 | Capacity determining system in exhaust emission control unit for internal combustion engine | Seiji Hatcho, Yuichi Shimasaki, Takuya Aoki, Seiji Matsumoto, Hiroaki Kato +2 more | 1996-09-17 |
| 5544482 | Exhaust gas-purifying system for internal combustion engines | Seiji Matsumoto, Takuya Aoki, Yuichi Shimasaki, Seiji Hatcho, Yukio Miyashita +3 more | 1996-08-13 |
| 5531203 | Catalyst activating system in multi-cylinder internal combustion engine | Takashi Komatsuda, Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Takuya Aoki | 1996-07-02 |
| 5501073 | Ignition timing control system for internal combustion engines | Yukio Miyashita, Yuichi Shimasaki, Seiji Hatcho, Seiji Matsumoto, Takuya Aoki +3 more | 1996-03-26 |
| 5499501 | Engine exhaust emission control system | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Takashi Komatsuda, Seiji Haccho +3 more | 1996-03-19 |
| 5493857 | Exhaust gas-purifying system for internal combustion engines | Takashi Komatsuda, Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Takuya Aoki | 1996-02-27 |
| 5467594 | Exhaust gas-purifying system for internal combustion engines | Takuya Aoki, Yuichi Shimasaki, Seiji Matsumoto, Seiji Hatcho, Yukio Miyashita +3 more | 1995-11-21 |
| 5343700 | Air-fuel ratio control system for internal combustion engines | Sachito Fujimoto, Yoshiharu Abe | 1994-09-06 |
| 5216880 | Catalytic converter heater control system for internal combustion engine | Takuya Aoki, Yoshiharu Abe | 1993-06-08 |
| 5216995 | Evaporative fuel-purging control system and air-fuel ratio control system associated therewith for internal combustion engines | Fumio Hosoda, Sachito Fujimoto, Masashi Uchiyama, Yoshiharu Abe, Kazumi Yamazaki +2 more | 1993-06-08 |
| 5201173 | Catalyst temperature control system for internal combustion engines | Sachito Fujimoto, Yoshiyuki Abe, Kojiro Tsutsumi | 1993-04-13 |
| 5070847 | Method of detecting abnormality in fuel supply systems of internal combustion engines | Eitetsu Akiyama, Shigetaka Kuroda | 1991-12-10 |