Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883842 | Resin composition | Shigeo Tanaka, Jiro Sakai, Tomohisa Fukao, Kazuki Wakamatsu | 1989-11-28 |
| 4801650 | Process for producing 4-methylpentene-1 copolymer and resin composition containing the same | Kazuki Wakamatsu | 1989-01-31 |