Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678402 | Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto | Hiroshi Kitagawa, Tetsuya Kaneko, Akira Kato, Toshiaki Hirota, Masami Watanabe +1 more | 1997-10-21 |
| 5655363 | Air-fuel ratio control system for internal combustion engines | Hiroshi Ito, Tetsuya Kaneko, Yoichi Iwata, Tetsu Teshirogi | 1997-08-12 |
| 5600949 | Exhaust gas-purifying system for internal combustion engines | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Takashi Komatsuda, Toshikazu Oketani +3 more | 1997-02-11 |
| 5584177 | Adsorber temperature-estimating device for internal combustion engines and exhaust gas-purifying system using same | Toshikazu Oketani, Tetsu Teshirogi, Yuichi Shimasaki, Seiji Matsumoto, Takuya Aoki +4 more | 1996-12-17 |
| 5555724 | Capacity determining system in exhaust emission control unit for internal combustion engine | Yuichi Shimasaki, Takuya Aoki, Seiji Matsumoto, Hiroaki Kato, Takashi Komatsuda +2 more | 1996-09-17 |
| 5544482 | Exhaust gas-purifying system for internal combustion engines | Seiji Matsumoto, Takuya Aoki, Yuichi Shimasaki, Toshikazu Oketani, Yukio Miyashita +3 more | 1996-08-13 |
| 5501073 | Ignition timing control system for internal combustion engines | Yukio Miyashita, Yuichi Shimasaki, Toshikazu Oketani, Seiji Matsumoto, Takuya Aoki +3 more | 1996-03-26 |
| 5467594 | Exhaust gas-purifying system for internal combustion engines | Takuya Aoki, Yuichi Shimasaki, Seiji Matsumoto, Toshikazu Oketani, Yukio Miyashita +3 more | 1995-11-21 |