Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6505594 | Control apparatus for internal combustion engine and method of controlling internal combustion engine | Akihiro Katayama, Masanobu Kanamura, Satoru Watanabe | 2003-01-14 |
| 5551231 | Engine exhaust gas purification device | Hiroshi Tanaka, Takaaki Itou, Keiso Takeda, Kazuhisa Kunitake, Toshio Tanahashi | 1996-09-03 |
| 5461857 | Engine exhaust gas purification device | Takaaki Itou, Hiroshi Tanaka, Keiso Takeda, Kazuhisa Kunitake, Toshio Tanahashi | 1995-10-31 |
| 5307783 | Boost pressure control system for an engine | Koichi Satoya, Michio Furuhashi, Yasuhiro Ooi | 1994-05-03 |
| 5154155 | Boost pressure control system for a supercharged engine | Masaaki Tanaka, Yuuichi Kato, Michio Furuhashi, Koichi Satoya, Yasuhiro Ooi | 1992-10-13 |
| 5150693 | Boost pressure control system for a supercharged engine | Masaaki Tanaka, Yuuichi Kato, Michio Furuhashi, Koichi Satoya, Yasuhiro Ooi | 1992-09-29 |
| 4938196 | Control device for heater for oxygen sensor operative to correct target resistance with reference to standard power supply thereto | Kouichi Hoshi, Masaru Goudo, Mitsuhiro Suzuki, Ritsuo Masaki, Akira Hashizume | 1990-07-03 |
| 4870942 | Diagnosis device for exhaust gas recycling device of internal combustion engine | Norio Shibata, Hideaki Mizuno, Kouichi Satoya, Nobuki Uchitani, Tatsuyoshi Kamohara +3 more | 1989-10-03 |
| 4825841 | Diagnosis device for an internal combustion engine exhaust gas recycling device | Kazuhiko Norota, Mamoru Yoshioka | 1989-05-02 |
| 4799466 | Deceleration control device of an internal combustion engine | Yoshiaki Shibata | 1989-01-24 |
| 4594992 | Supercharger of an internal combustion engine having Roots pump | Norihiko Nakamura | 1986-06-17 |
| 4501242 | Air-fuel ratio control apparatus | Yukihide Niimi, Seietsu Yoshida | 1985-02-26 |
| 4478192 | Air-fuel ratio control system for internal combustion engines | Kenzi Kinoshita, Yukihide Niimi, Masahiro Urushidani | 1984-10-23 |
| 4426976 | Engine air/fuel ratio control system injecting bleed air into both fuel systems of double barreled carburetor | Toshio Tanahashi, Yasuo Ohmori | 1984-01-24 |
| 4343277 | Throttle valve opening controller | Norikatsu Ishikawa | 1982-08-10 |