Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622686 | Cylinder head for an internal combustion engine | Kaoru Aoki, Shinichi Takahashi, Takuya Takagi, Hiromu Nakamura, Tsutomu Yamasaki | 2003-09-23 |
| 6155046 | Heat-insulation type exhaust manifold | Seiji Kato, Koichi Fujimori, Kazuo Ishii, Hiroshi Hashimoto, Tatsumi Yamada +1 more | 2000-12-05 |
| 6031213 | Electrode structure and electric heater comprising the same | Shigeharu Hashimoto, Tadato Ito, Yuichi Shimasaki, Hiroaki Kato, Akihisa Saito +2 more | 2000-02-29 |
| 5953912 | Exhaust manifold of a multi-cylinder internal combustion engine | Hideo Kaiho, Kouichi Fujimori, Hiroshi Hashimoto, Kazuo Ishii | 1999-09-21 |
| 5852929 | Failure detection system of exhaust secondary air supply system of internal combustion engine | Hiroaki Kato, Yuichi Shimasaki, Takuya Aoki, Hiroaki Muramatsu, Hajime Uto +1 more | 1998-12-29 |
| 5806307 | Exhaust gas-purifying system for internal combustion engines | Takuya Aoki, Yuichi Shimasaki, Hiroaki Kato, Akihisa Saito, Tetsu Teshirogi +2 more | 1998-09-15 |
| 5791140 | Exhaust gas-purifying system for internal combustion engines | Yuichi Shimasaki, Akihisa Saito, Tetsu Teshirogi, Takuya Aoki, Hiroaki Kato +2 more | 1998-08-11 |
| 5784878 | Idle speed control system of internal combustion engine | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Hiroaki Muramatsu, Takuya Aoki +3 more | 1998-07-28 |
| 5782086 | Failure detection system of exhaust secondary air supply system of internal combustion engine | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Tetsu Teshirogi, Takuya Aoki +3 more | 1998-07-21 |
| 5758492 | Failure detection system of electrically heated catalytic converter of internal combustion engine | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Tetsu Teshirogi, Takuya Aoki +2 more | 1998-06-02 |
| 5740675 | Exhaust system ambient temperature detection system for internal combustion engine | Yuichi Shimasaki, Hiroshi Ohno, Tetsu Teshirogi, Hiroaki Kato, Akihisa Saito +3 more | 1998-04-21 |
| 5735121 | Air pump abnormality-detecting system for internal combustion engines | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Tetsu Teshirogi | 1998-04-07 |
| 5732550 | Current supply control system of electrically heated catalytic converter of internal combustion engine | Hiroaki Muramatsu, Yuichi Shimasaki, Hiroaki Kato, Akihisa Saito, Takuya Aoki +3 more | 1998-03-31 |
| 5713198 | Exhaust gas-purifying device for internal combustion engines | Takuya Aoki, Yuichi Shimasaki, Hiroaki Kato, Akihisa Saito, Toshikazu Oketani | 1998-02-03 |
| 5689952 | Exhaust gas-purifying system for internal combustion engines | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Tetsu Teshirogi, Takuya Aoki +2 more | 1997-11-25 |
| 5634331 | Exhaust gas-purifying device for internal combustion engines | Takuya Aoki, Yuichi Shimasaki, Hiroaki Kato, Akihisa Saito, Toshikazu Oketani | 1997-06-03 |
| 5615552 | Secondary air pump control system for internal combustion engines | Yuichi Shimasaki, Hiroaki Kato | 1997-04-01 |
| 5600949 | Exhaust gas-purifying system for internal combustion engines | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Toshikazu Oketani, Seiji Hatcho +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 Hatcho, Seiji Matsumoto +4 more | 1996-12-17 |
| 5555725 | Control system for electrically heated catalyst of internal combustion engine | Yuichi Shimasaki, Hiroaki Kato, Takuya Aoki | 1996-09-17 |
| 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, Toshikazu Oketani +3 more | 1996-08-13 |
| 5531203 | Catalyst activating system in multi-cylinder internal combustion engine | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Toshikazu Oketani, Takuya Aoki | 1996-07-02 |
| 5501073 | Ignition timing control system for internal combustion engines | Yukio Miyashita, Yuichi Shimasaki, Toshikazu Oketani, Seiji Hatcho, Seiji Matsumoto +3 more | 1996-03-26 |
| 5499501 | Engine exhaust emission control system | Hiroaki Kato, Yuichi Shimasaki, Akihisa Saito, Toshikazu Oketani, Seiji Haccho +3 more | 1996-03-19 |