Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342670 | Process for preparing rubber compositions for tire treads | Asahiro Ahagon, Hiroshi Hirakawa | 1982-08-03 |
| 4323485 | Rubber compositions for tire treads having low rolling resistance | Asahiro Ahagon, Kazuo Miyasaka, Hiroshi Hirakawa | 1982-04-06 |
| 4309318 | Tread compositions for tires having low rolling resistance | Asahiro Ahagon, Hiroshi Hirakawa, Kazuo Miyasaka | 1982-01-05 |