Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308697 | Potentially elastic conjugate fiber, production thereof, and production of fibrous structure with elasticity in expansion and contraction | Yasuo Muramoto, Susumu Tokura, Kiyoshi Yoshimoto, Hiroshi Naito, Tamotsu Matsutomi +2 more | 1994-05-03 |
| 4978740 | Copolyester and polyester film having said copolyester as subbing layer | Hitoshi Kawamoto, Hiroshi Naito, Yoshihiro Wada, Toshiaki Yamazaki, Ichiya Harada | 1990-12-18 |
| 4818808 | Process for producing polyesters using a niobium compound as a catalyst | Toshihiro Kushimoto, Nobuo Izawa | 1989-04-04 |