Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345496 | Method and device for purifying exhaust gas of an engine | Naohide Fuwa, Hiroshi Tanaka, Yukio Kinugasa, Takaaki Itou, Naoto Suzuki +2 more | 2002-02-12 |
| 6133185 | Exhaust gas purifying catalyst | Yukio Kinugasa, Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Takaaki Kanazawa +3 more | 2000-10-17 |
| 6119452 | Device for purifying exhaust gas of internal combustion engine | Yukio Kinugasa, Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Toshiaki Tanaka +1 more | 2000-09-19 |
| 6047542 | Method and device for purifying exhaust gas of engine | Yukio Kinugasa, Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Kouichi Takeuchi | 2000-04-11 |
| 5964088 | Device for purifying exhaust gas of engine | Yukio Kinugasa, Takaaki Itou, Koichi Hoshi, Naoto Suzuki, Koichi Takeuchi +1 more | 1999-10-12 |
| 5832889 | Valve driving apparatus | Takao Naruoka | 1998-11-10 |
| 5782087 | Device for purifying exhaust gas of an engine | Yukio Kinugasa, Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Toshiaki Tanaka | 1998-07-21 |
| 5746052 | Exhaust gas purification device for an engine | Yukio Kinugasa, Kouhei Igarashi, Takaaki Itou, Toshifumi Takaoka | 1998-05-05 |
| 5271906 | Exhaust emission control apparatus using catalytic converter with hydrocarbon absorbent | Kiyoshi Yuuki, Hiroshi Hirayama | 1993-12-21 |
| 5232973 | High-temperature gasket | Keiichi Sakashita, Keiji Yamada, Kazuhiko Shiratani | 1993-08-03 |
| 4762026 | Speed change control method and device of automatic transmission for vehicle | Yukio Kinugasa | 1988-08-09 |
| 4748950 | Internal combustion engine siamese port type intake system construction with internal ridge structure partially separating helical port and bypass passage | Takeshi Okumura, Yoshihiro Iwashita | 1988-06-07 |
| 4700681 | Fuel injection system for an internal combustion engine | Tooru Hanafusa, Yukio Kinugasa | 1987-10-20 |
| 4572029 | Speed change control method and device of automatic transmission for vehicle | Yukio Kinugasa | 1986-02-25 |
| 4491921 | Method and apparatus for controlling the air fuel ratio in an internal combustion engine | Shinichi Sugiyama, Yoshiki Chujo | 1985-01-01 |
| 4474081 | Electronic method and apparatus for controlling an automatic transmission | Yukio Kinugasa, Hiroki Matsuoka | 1984-10-02 |
| 4459669 | Method and apparatus for controlling the air-fuel ratio in an internal combustion engine | Yoshiki Chujo, Shinichi Sugiyama | 1984-07-10 |
| 4458319 | Method and apparatus for controlling the air-fuel ratio in an internal combustion engine | Yoshiki Chujo, Shinichi Sugiyama | 1984-07-03 |
| 4450816 | Method and apparatus for controlling the fuel injection amount of an internal combustion engine | Toshiyuki Takimoto | 1984-05-29 |
| 4450528 | Method and apparatus for controlling the operation of an internal combustion engine | Keiji Aoki, Kenzo Hashikawa | 1984-05-22 |
| 4413601 | Method for computing a compensation value for an engine having electronic fuel injection control | Hiroki Matsuoka, Yukio Kinugasa | 1983-11-08 |
| 4389995 | Electronically controlled fuel injection method and apparatus | Toshikazu Koide | 1983-06-28 |
| 4389996 | Method and apparatus for electronically controlling fuel injection | Yukio Kinugasa | 1983-06-28 |