Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5549086 | Sliding contact-making structures in internal combustion engine | Toshikazu Ozawa, Hiromitsu Matsumoto | 1996-08-27 |
| 5329912 | Induction system for an internal combustion engine | Hiromitsu Matsumoto | 1994-07-19 |