Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839736 | Filter for CRT screen | Eiichi Sugihara, Koji Hayafune | 1989-06-13 |
| 4826735 | Polypropylene resin composition, a multi-layered sheet comprised thereof and a production process therefore | Toru Ueki, Jinichi Yazaki, Akihiko Tamura, Takashi Miyazaki | 1989-05-02 |