Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D326073 | Automobile tire | Toshio Hayakawa, Yasuo Himuro | 1992-05-12 |
| 4947911 | Pneumatic radial tire suitable for use at high speed | Hisao Ushikubo | 1990-08-14 |
| 4932452 | Low profile pneumatic radial tires | Misao Kawabata, Hisao Ushikubo | 1990-06-12 |
| 4924927 | Low-section pneumatic radial tire | Misao Kawabata, Hisao Ushikubo | 1990-05-15 |