Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736856 | Crosslinked acrylic moisture absorbing fibers and production methods thereof | Hideo Matsumoto | 2004-05-18 |
| 5286563 | Acrylic fiber strand suitable for use in carbon fiber production and process for producing the same | Kazuhiro Yamamoto | 1994-02-15 |
| 4898700 | Process for producing preoxidized fibers from acrylic fibers | Osamu Yoshinari, Yoshifumi Kawakatsu, Hideaki Fukuizumi | 1990-02-06 |
| 4869856 | Method for producing carbon fibers from acrylonitrile fiber strands | Tadasu Yagi | 1989-09-26 |
| 4659623 | Acrylic fibers for producing preoxidized fibers | Osamu Yoshinari, Yoshifumi Kawakatsu, Hideaki Fukuizumi | 1987-04-21 |
| 4536448 | Preoxidized fiber and process for producing the same | Hiroyasu Ogawa, Tetsuro Shigei, Tetuya Okabe, Fumio Miyatake | 1985-08-20 |