Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141994 | Crystalline polypropylene and crystalline polypropylene composition | Masahiro Kakugo, Hajime Sadatoshi, Kazuki Wakamatsu, Kazuhiro Chikaishi, Toshiro Kojima +2 more | 1992-08-25 |
| 4883842 | Resin composition | Shigeo Tanaka, Tomohisa Fukao, Kizuku Wakatsuki, Kazuki Wakamatsu | 1989-11-28 |