Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186773 | Pneumatic radial tire for passenger cars with specified spacing of tread and band joints | Masahiro Oku, Kiichiro Kakumu | 1993-02-16 |
| 4928742 | Pneumatic radial tire | Masahiro Oku | 1990-05-29 |