Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801672 | Random 1-butene copolymer | Masaki Kohyama, Kunisuke Fukui, Norio Kashiwa | 1989-01-31 |
| 4798866 | Branched alpha-olefin polymer composition and process for its production | Junichi Yoshitake, Hiroaki Kitani, Norio Kashiwa, Kenichi Tominari, Shigeki Nagamatsu | 1989-01-17 |