Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6510881 | Pneumatic radial tire and method of manufacturing the same | Ken Takahashi | 2003-01-28 |
| 6125899 | Heavy duty pneumatic radial tire for running on rough ground surface | Ken Takahashi | 2000-10-03 |