Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264531 | Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber prepared therefrom | Yuichi Fukui, Tsuruyoshi Matsumoto, Hajime Itoh, Itsumi Muraoka | 1993-11-23 |
| 5234766 | Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber prepared therefrom | Yuichi Fukui, Tsuruyoshi Matsumoto, Hajime Itoh, Itsumi Muraoka | 1993-08-10 |