Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826735 | Polypropylene resin composition, a multi-layered sheet comprised thereof and a production process therefore | Toru Ueki, Jinichi Yazaki, Akihiko Tamura, Hideo Amemiya | 1989-05-02 |