Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840995 | Aromatic polyester/aromatic polycarbonate/alpha-olefin unsaturated carboxylic acid reaction product compositions | Masaaki Miyamoto, Kazuo Miyamoto | 1989-06-20 |
| 4804720 | Polyamide resin composition | Masaaki Miyamoto, Masaya Ueda, Eiichi Kamoshida | 1989-02-14 |