Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918142 | Rubber composition of tire tread containing block copolymer coupled with dicarboxylic acid ester | Yuichi Saito, Hiroyoshi Takao, Akio Imai, Mitsuji Tsuji | 1990-04-17 |