Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550700 | Intake system for multi-intake valve type engine | Takumori Yoshida, Akira Yamada | 1985-11-05 |
| 4528958 | Intake control system of engine | Takumori Yoshida, Akira Yamada | 1985-07-16 |