Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863977 | Highly shrinkable acrylic fiber, pile compositions containing the same and napped fabrics made by using the compositions | Ryo Ochi, Yasuji Inoue, Setsuo Hara | 2005-03-08 |
| 6551705 | Chitosan-containing acrylic fibers and process for preparing the same | Hiroaki Ohnishi, Hiroshi Hosokawa, Seizo Oishi, Masako Iwamoto, Yasuyuki Fujii +4 more | 2003-04-22 |
| 6524508 | Process of making chitosan-containing acrylic fibers | Hiroaki Ohnishi, Hiroshi Hosokawa, Seizo Oishi, Masako Iwamoto, Yasuyuki Fujii +4 more | 2003-02-25 |
| 5853853 | Flat filaments provided with ribs and raw fibers for pile fabrics | Hideo Masaoka, Fumio Takemoto, Seizo Oishi, Hiroshi Hosokawa | 1998-12-29 |
| 5089135 | Carbon based porous hollow fiber membrane and method for producing same | Hiroaki Yoneyama | 1992-02-18 |
| 4902452 | Process for producing an acrylic fiber having high fiber characteristics | Yoshifumi Furutani, Masaaki Toramaru, Toshiyuki Yasunaga | 1990-02-20 |