Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5987977 | Device for determining an abnormal degree of deterioration of a catalyst | Toru Hanafusa | 1999-11-23 |
| 5979161 | Device for determining the abnormal degree of deterioration of a catalyst | Toru Hanafusa | 1999-11-09 |
| 5865027 | Device for determining the abnormal degree of deterioration of a catalyst | Toru Hanafusa | 1999-02-02 |
| 5783160 | Method for purifying combustion exhaust gas | Yukio Kinugasa, Kouhei Igarashi, Takaaki Itou, Toshifumi Takaoka, Koji Yokota | 1998-07-21 |
| 5765370 | Device for determining the abnormal degree of deterioration of a catalyst | Toru Hanafusa | 1998-06-16 |
| 5727537 | Fuel supply control system for an engine | Norihisa Nakagawa, Hiroki Matsuoka | 1998-03-17 |
| 5018494 | Idling speed control device of an engine | Yukihiro Sonoda, Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka +1 more | 1991-05-28 |
| 4991559 | Fuel injection control device of an engine | Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka, Yukihiro Sonoda +7 more | 1991-02-12 |
| 4981122 | Fuel injection control device of an engine | Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka, Yukihiro Sonoda +1 more | 1991-01-01 |
| 4976242 | Fuel injection control device of an engine | Yukihiro Sonoda, Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka +1 more | 1990-12-11 |
| 4929092 | Resistance temperature detector | Seizo Taguchi, Toshiharu Oketani, Hideaki Tanaka, Hiroshi Terao | 1990-05-29 |
| 4881509 | Electronic control device for internal combustion engine with EGR control apparatus | Norio Nakamura | 1989-11-21 |
| 4465050 | Device for atomizing the fuel for an internal-combustion engine | Toshihiko Igashira, Hisasi Kawai, Ken Nomura, Mitiaki Ujihashi, Minoru Iwata | 1984-08-14 |
| 4347812 | Hydraulic valve lift device | Tooru Kosuda, Yasuhiro Takeuchi, Tadahide Toda, Noboru Matsubara, Masaaki Takizawa | 1982-09-07 |
| 4200074 | Fuel injection system for an internal combustion engine | Tooru Kosuda, Hiromi Katou | 1980-04-29 |
| 4183216 | Supercharged internal combustion engine | Eizi Tanaka, Akira Nishimatsu | 1980-01-15 |