Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836257 | Pneumatic radial tire tread for reducing wandering | Mitsuhisa Yahagi, Masao Nakamura | 1989-06-06 |
| 4756352 | Pneumatic tire tread with divided shoulder | Hiroshi Ogawa, Kenichi Motomura, Yukimasa Yamada, Hikaru Tansei | 1988-07-12 |
| 4739812 | Pneumatic tire tread with recessed shoulder portion | Hiroshi Ogawa, Kenichi Motomura, Yukimasa Yamada, Hikaru Tansei | 1988-04-26 |
| D281485 | Vehicle tire | Kenichi Motomura | 1985-11-26 |