Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902452 | Process for producing an acrylic fiber having high fiber characteristics | Yoshihiro Nishihara, Yoshifumi Furutani, Masaaki Toramaru | 1990-02-20 |
| 4831069 | Acrylonitrile spinning solution and process for producing fibers therewith | Teruhiko Sugimori, Yoshifumi Furutani, Yoshinobu Shiraishi | 1989-05-16 |