Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5890461 | Engine cylinder head cooling arrangement | — | 1999-04-06 |
| 5630340 | Connecting rod for engine | — | 1997-05-20 |
| 5517958 | Cylinder head gasket | — | 1996-05-21 |
| 5385125 | Four cycle engine | Takeshi Oyaizu | 1995-01-31 |