Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478185 | Air-fuel ratio and ignition timing regulation by detecting engine running condition | Hideki Obayashi, Tokio Kohama, Hisasi Kawai, Daisaku Sawada, Takashi Shigematsu | 1984-10-23 |
| 4442820 | Exhaust recirculation system for internal combustion engines | Hisasi Kawai, Tokio Kohama, Akira Nishimatsu, Yasuhiko Ishida, Souichi Matsusita | 1984-04-17 |
| 4433665 | Device for controlling choke valve in carburetor for internal combustion engine | Seiko Abe, Toshihiko Igashira, Hisasi Kawai, Masayoshi Tokoro | 1984-02-28 |
| 4324217 | Electronically controlled ignition for internal combustion engines | Hisasi Kawai | 1982-04-13 |
| 4322799 | Exhaust gas recirculation valve control system and method | Tokio Kohama, Takeshi Matsui, Hisasi Kawai, Akira Nishimatsu, Hidetaka Nohira +1 more | 1982-03-30 |
| 4285322 | Apparatus for controlling an ignition coil of an internal combustion engine | Hisasi Kawai, Takeshi Matsui | 1981-08-25 |
| 4257382 | Electronic control system for internal combustion engines | Takeshi Matsui, Tokio Kohama, Hisasi Kawai, Akira Nishimatsu, Hidetaka Nohira +1 more | 1981-03-24 |
| 4250855 | Electronic control system for carburetor | Tokio Kohama, Takeshi Matsui, Akira Nishimatsu, Kiyoshi Kobashi, Hisasi Kawai +1 more | 1981-02-17 |
| 4248187 | Electronic control system for internal combustion engines | Takeshi Matsui, Tokio Kohama, Hisasi Kawai, Akira Nishimatsu, Hidetaka Nohira +1 more | 1981-02-03 |
| 4226222 | Exhaust gas recirculation system for internal combustion engines | Tokio Kohama, Takeshi Matsui, Hisasi Kawai, Akira Nishimatsu, Hidetaka Nohira +1 more | 1980-10-07 |
| 4201159 | Electronic control method and apparatus for combustion engines | Hisasi Kawai | 1980-05-06 |