Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733881 | Acrylic fiber and a manufacturing process therefor | Katsuhiko Ikeda, Yasuyuki Fujii, Yoshihiko Mishina, Ryo Ochi | 2004-05-11 |
| 6696156 | Acrylic fiber and a manufacturing process therefor | Katsuhiko Ikeda, Yasuyuki Fujii, Yoshihiko Mishina, Ryo Ochi | 2004-02-24 |
| 6641915 | Acrylonitrile-based fiber bundle for carbon fiber precursor and method for preparation thereof | Katsuhiko Ikeda | 2003-11-04 |
| 6610403 | Acrylonitrile-based synthetic fiber and method for production thereof | Katsuhiko Ikeda, Yasuyuki Fujii, Yoshihiko Mishina, Ryo Ochi | 2003-08-26 |
| 5286844 | Method of purifying polyacrylonitrile | Kozi Nishida, Toshihiro Maxima, Yoshio Manabe, Osamu Kato | 1994-02-15 |