Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883842 | Resin composition | Shigeo Tanaka, Jiro Sakai, Tomohisa Fukao, Kizuku Wakatsuki | 1989-11-28 |
| 4820775 | Alpha-olefin block copolymer particles and process for the production thereof | Akinobu Shiga, Masahiro Kakugo, Hajime Sadatoshi, Hiroyuki Kora, Toshio Sasaki +2 more | 1989-04-11 |
| 4801650 | Process for producing 4-methylpentene-1 copolymer and resin composition containing the same | Kizuku Wakatsuki | 1989-01-31 |