Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654372 | Polypropylene composition and the film thereof | Hajime Sadatoshi, Kazuki Wakamatsu, Jiro Mori, Eisuke Shiratani | 1997-08-05 |
| 5641828 | Polypropylene compositions and film thereof | Hajime Sadatoshi, Hiroyuki Tanimura | 1997-06-24 |