Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220321 | Heavy duty tire including wide main grooves, narrow grooves and lug grooves | Shigeki Yoshioka, Yoshiyuki Takada | 2001-04-24 |
| 5975172 | Pneumatic tire | — | 1999-11-02 |
| D386133 | Automobile tire | — | 1997-11-11 |