Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812527 | Rubber composition for tire treads containing dicarboxylic acid diester coupled block polymers | Hiroyoshi Takao, Nabuyuki Yoshida, Akio Imai, Yuichi Saito | 1989-03-14 |