Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824501 | Method of manufacturing radial tire | Hisao Ushikubo, Ichiro Takahashi | 1989-04-25 |
| 4785863 | Pneumatic radial tire with asymmetric tread | Toshio Hayakawa | 1988-11-22 |
| 4779658 | Pneumatic safety tire | Misao Kawabata, Tsuguyoshi Yamada, Hisao Ushikubo, Ichiro Takahashi | 1988-10-25 |
| 4726407 | Pneumatic radial tire tread for high-speed running vehicles | Toshio Hayakawa, Masahiro Takayama, Masato Hiruma | 1988-02-23 |
| D276906 | Vehicle tire | Hiroshi Kojima, Hideaki Nishio, Kazuhiro Tanaka | 1984-12-25 |