Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |