Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826911 | Rubber compositions for automobile tire treads | Yoshihiko Suzuki, Asahiro Ahagon, Yuichi Saitoh, Youichi Yamaguchi | 1989-05-02 |
| 4800941 | Heavy load radial tire | Kazuyuki Kabe, Ken Takahashi, Saichi Harada | 1989-01-31 |