Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654358 | Polyphenylene sulfide composition and shaped articles made therefrom | Norio Shimasaki, Kazuhiko Kobayashi, Katuya Ohno | 1997-08-05 |
| 5625002 | Polyphenylene sulfide composition and shaped articles made therefrom | Norio Shimasaki, Kazuhiko Kobayashi, Katuya Ohno | 1997-04-29 |
| 5488084 | Polyphenylene sulfide resin composition | Hidemi Yabe, Kazuhiko Kobayashi | 1996-01-30 |
| 4831104 | Thermoplastic aromatic polyamideimide copolymer from polyamide diamine | Toshihiko Aya | 1989-05-16 |
| 4539392 | Method of preparing polyimide prepolymer from ethylenically unsaturated dicarboxylic acid compound | Toshihiko Aya | 1985-09-03 |
| 4299945 | Thermoplastic polyamide imide copolymers and method of preparation | Toshihiko Aya, Takashi Sasagawa | 1981-11-10 |