Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532904 | Air-fuel ratio control device for internal combustion engines | Tadao Osawa, Toru Nakagawa, Masamitsu Okumura, Tokihiko Sakuma | 1985-08-06 |
| 4397792 | Throttle valve linkage for use with multi-carburetor assembly | Toshifumi Usui, Tadao Osawa, Tokihiko Sakuma | 1983-08-09 |