Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726337 | Intake system for multiple intake valve type engines | — | 1988-02-23 |
| 4627396 | Intake control system of engine | — | 1986-12-09 |
| 4550700 | Intake system for multi-intake valve type engine | Akira Yamada, Sadayuki Shinmura | 1985-11-05 |
| 4528958 | Intake control system of engine | Akira Yamada, Sadayuki Shinmura | 1985-07-16 |