Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645018 | Two cycle internal combustion engine | Masahiro Asai | 1997-07-08 |
| 5373816 | Exhaust control device for a two motor cycle engine | Masahiro Asai, Shinichi Isomura, Osamu Kudou | 1994-12-20 |