Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305016 | Automobile tire | Toshio Hayakawa | 1989-12-12 |
| D304556 | Automobile tire | Kenichi Motomura | 1989-11-14 |
| D303945 | Automobile tire | Yuji Sakamaki | 1989-10-10 |
| D301133 | Automobile tire | Kenichi Motomura, Hidenori Masuda | 1989-05-16 |
| 4824501 | Method of manufacturing radial tire | Hisao Ushikubo, Ichiro Takahashi | 1989-04-25 |