Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641828 | Polypropylene compositions and film thereof | Hajime Sadatoshi, Seiichiro Ima | 1997-06-24 |
| 5639537 | Polypropylene resin composition for oriented film and oriented film of the composition | Takeshi Ebara, Hajime Sadatoshi, Kazuhiro Yamazaki, Taiji Yamada, Tuyoshi Hashimoto | 1997-06-17 |
| 5635557 | Polypropylene composition and stretched film thereof | Junichi Kimura, Minoru Takane, Yoichi Obata | 1997-06-03 |