Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838215 | Inertia supercharging induction system for multi-cylinder internal combustion engine | Makoto Yasuda, Syousabu Ura, Shuichi Nishimura, Masami Kato, Munehiro Sagata | 1989-06-13 |