Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5527860 | Process for producing a diolefin polymer or copolymer and a rubber composition containing such a diolefin polymer or copolymer | Yoshitaka Yamakawa, Iwakazu Hattori, Hideaki Yokoyama, Tatsuro Hamada | 1996-06-18 |