Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883848 | Method for producing an olefin polymer | Yoshinori Suga, Yasuo Maruyama, Eiji Isobe | 1989-11-28 |
| 4824704 | 3-Methylbutene-1 polymer composition, process for its preparation and container made thereof | Yoshinori Suga, Nobuo Enokido, Hidehito Kato, Katsuji Shibata | 1989-04-25 |