Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997519 | Deep-colored fibers and a process for manufacturing the same | Yoshikazu Kondo, Toshihiro Yamamoto, Atsushi Yamamoto | 1991-03-05 |
| 4900625 | Deep-colored fibers and a process for manufacturing the same | Yoshikazu Kondo, Toshihiro Yamamoto, Atsushi Yamamoto | 1990-02-13 |
| 4525410 | Particle-packed fiber article having antibacterial property | Zenji Hagiwara, Hideo Ohki, Shigetaka Hoshino, Saburo Nohara, Kenichi Tagawa | 1985-06-25 |