Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D310189 | Automobile tire | Jinnosuke Takakura, Norio Yoshikawa | 1990-08-28 |
| D307911 | Walking operator type lawn mower | Takao Katayama, Jinnosuke Takakura, Hirofumi Sadagane, Hisato Katoh | 1990-05-15 |