Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532904 | Air-fuel ratio control device for internal combustion engines | Tadao Osawa, Toru Nakagawa, Masamitsu Okumura, Takashige Kohno | 1985-08-06 |
| 4397792 | Throttle valve linkage for use with multi-carburetor assembly | Toshifumi Usui, Takashige Kohno, Tadao Osawa | 1983-08-09 |
| 4333890 | Slow fuel controlling device for carburetor | Kimiji Karino, Tadao Osawa, Masami Nagano, Yuiti Kanazawa, Tunemitu Kuroha +1 more | 1982-06-08 |