Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9765448 | Flame resistant polymer, polymer solution, flame resistant fiber, carbon fiber, and methods of producing same | Mami Sakaguchi | 2017-09-19 |
| 8043693 | Solution containing flame-resistant polymer and carbon molding | Katsumi Yamasaki, Koichi Yamaoka, Tomihiro Ishida | 2011-10-25 |
| 7976945 | Flame resistant fiber, carbon fiber and production method thereof | Daisuke Kawakami, Katsumi Yamasaki, Tomihiro Ishida, Koichi Yamaoka | 2011-07-12 |
| 7655716 | Solution containing flame-resistant polymer and carbon molding | Katsumi Yamasaki, Koichi Yamaoka, Tomihiro Ishida | 2010-02-02 |
| 5925727 | Thick and thin polyamide based fibers, and a production process thereof | Kiyoshi Onda | 1999-07-20 |
| 5698331 | Hygroscopic polyester copolymer, and a hygroscopic fiber made therefrom | Yoshitaka Matsumura, Yuko Harashina, Tai Sasamoto | 1997-12-16 |