Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336316 | Heat engine | Yoshiharu Tsujikawa, Kenichi Kaneko | 2002-01-08 |
| D336276 | Automobile tire | — | 1993-06-08 |
| D336067 | Automobile tire | — | 1993-06-01 |
| D312602 | Automobile tire | — | 1990-12-04 |