Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442820 | Exhaust recirculation system for internal combustion engines | Toshikazu Ina, Hisasi Kawai, Akira Nishimatsu, Yasuhiko Ishida, Souichi Matsusita | 1984-04-17 |
| 4437345 | Gas flow measuring device | Tsuneyuki Egami, Hisasi Kawai, Hideki Obayashi | 1984-03-20 |
| 4434767 | Output control system for multicylinder internal combustion engine | Seizi Huzino, Hideki Obayashi, Hisasi Kawai, Tsuneyuki Egami | 1984-03-06 |
| 4425792 | Apparatus for measuring a fluid flow rate | Hideki Obayashi, Hisasi Kawai, Tsuneyuki Egami | 1984-01-17 |
| 4417471 | Gas flow measuring device | Hisasi Kawai, Tsuneyuki Egami, Hideki Obayashi | 1983-11-29 |
| 4414847 | Gas flow measuring apparatus | Hisasi Kawai, Hideki Obayashi, Tsuneyuki Egami | 1983-11-15 |
| 4409828 | Gas flow measuring device | Hideki Obayashi, Hisasi Kawai, Tsuneyuki Egami | 1983-10-18 |
| 4399697 | Gas flow measuring apparatus | Hideki Obayashi, Hisasi Kawai, Tsuneyuki Egami | 1983-08-23 |
| 4393702 | Gas flow measuring device | Hideki Obayashi, Hisasi Kawai, Tsuneyuki Egami | 1983-07-19 |
| 4391132 | Gas flow measuring apparatus | Tsuneyuki Egami, Hisasi Kawai, Hideki Obayashi | 1983-07-05 |
| 4384484 | Gas flow measuring device | Hideki Obayashi, Hisasi Kawai, Tsuneyuki Egami | 1983-05-24 |
| 4357830 | Gas flow measuring apparatus | Hisasi Kawai, Hideki Obayashi, Tsuneyuki Egami | 1982-11-09 |
| 4332165 | Gas flow measuring device | Hisasi Kawai, Tsuneyuki Egami, Hideki Obayashi | 1982-06-01 |
| 4322799 | Exhaust gas recirculation valve control system and method | Takeshi Matsui, Hisasi Kawai, Akira Nishimatsu, Toshikazu Ina, Hidetaka Nohira +1 more | 1982-03-30 |
| 4304129 | Gas flow measuring apparatus | Hisasi Kawai, Tsuneyuki Egami, Hideki Obayashi | 1981-12-08 |
| 4276773 | Gas flow measuring apparatus | Hisasi Kawai, Tsuneyuki Egami, Hideki Obayashi | 1981-07-07 |
| 4275590 | Gas flow measuring apparatus | Hisasi Kawai, Tsuneyuki Egami, Hideki Obayashi | 1981-06-30 |
| 4257382 | Electronic control system for internal combustion engines | Takeshi Matsui, Hisasi Kawai, Akira Nishimatsu, Toshikazu Ina, Hidetaka Nohira +1 more | 1981-03-24 |
| 4250855 | Electronic control system for carburetor | Takeshi Matsui, Akira Nishimatsu, Kiyoshi Kobashi, Hisasi Kawai, Toshikazu Ina +1 more | 1981-02-17 |
| 4248187 | Electronic control system for internal combustion engines | Takeshi Matsui, Hisasi Kawai, Akira Nishimatsu, Toshikazu Ina, Hidetaka Nohira +1 more | 1981-02-03 |
| 4242997 | Exhaust gas recirculation system for internal combustion engines | Takeshi Matsui, Akira Nishimatsu, Tokuta Inoue, Kiyohiko Oishi, Kiyoshi Kobashi | 1981-01-06 |
| 4230079 | Exhaust gas recirculation system for internal combustion engines | Tadashi Ozaki, Hideki Obayashi, Hidetaka Nohira | 1980-10-28 |
| 4226222 | Exhaust gas recirculation system for internal combustion engines | Takeshi Matsui, Hisasi Kawai, Akira Nishimatsu, Toshikazu Ina, Hidetaka Nohira +1 more | 1980-10-07 |
| 4222237 | Exhaust gas purifying apparatus for internal combustion engine | Hideki Obayashi, Tadashi Ozaki, Hidetaka Nohira | 1980-09-16 |
| 4200843 | Non-linear operational circuit | Tsuneyuki Egami, Hisasi Kawai, Hideki Obayashi | 1980-04-29 |