Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4203296 | Supercharged internal combustion engine | Akira Nishimatsu, Michiniro Ohashi | 1980-05-20 |
| 4183216 | Supercharged internal combustion engine | Michihiro Ohashi, Akira Nishimatsu | 1980-01-15 |