Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220738 | Process for producing block copolymer from conjugated diene and vinyl aromatic | Shizuo Narisawa, Hideki Horiike, Ichiro Ichikawa | 1980-09-02 |
| 4182803 | Elastomer | Shuichi Kanagawa | 1980-01-08 |