Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003029 | Flame resistant polyester from di aryl-di(hydroxyalkylene oxy)aryl phosphine oxide | Atsuko Ueda, Tetsuo Matsumoto, Takayuki Imamura | 1991-03-26 |
| 4940772 | Process for producing flame resistant polyester | Tetsuo Matsumoto, Katsuto Matsuzawa, Shunichiro Hamada, Kouzi Shinogi, Satomi Nagai +2 more | 1990-07-10 |
| 4712366 | Denier-mixed composite yarn, denier-mixed special thick and thin yarn, false twist yarn and denier-mixed shrinkage-mixed composite yarn | Takashi Katagiri, Eiji Ichihashi, Hitoshi Otsubo | 1987-12-15 |