Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870043 | Catalysts for the polymerization of olefins | Takashi Fujita | 1989-09-26 |
| 4822763 | Catalyst component for polymerization of olefin | Takashi Fujita | 1989-04-18 |
| 4814314 | Catalyst for olefin polymerization | Takashi Fujita, Katsumi Hirakawa | 1989-03-21 |