Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840995 | Aromatic polyester/aromatic polycarbonate/alpha-olefin unsaturated carboxylic acid reaction product compositions | Mitsuhiko Tamura, Kazuo Miyamoto | 1989-06-20 |
| 4810753 | Process for producing polyamide | Shinichiro Koga, Hidemi Nakanishi | 1989-03-07 |
| 4804720 | Polyamide resin composition | Mitsuhiko Tamura, Masaya Ueda, Eiichi Kamoshida | 1989-02-14 |
| 4795781 | Resin composition of a saponified ethylene vinyl acetate copolymer and a polyamide resin | Eiichi Kamoshida, Hiroshi Takida | 1989-01-03 |