Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4190555 | Catalyst system for polymerizing alpha-olefins and method of making same | Yoshinori Takamura, Hakusei Hamada, Kiyoyuki Kitamura, Kunio Kodama, Katuyuki Usami | 1980-02-26 |