Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552123 | Thermoplastic polyvinyl alcohol fibers and method for producing them | Takashi Katayama, Kazuhiko Tanaka, Naoki Fujiwara, Tomoaki Kimura, Akihiro Hokimoto +5 more | 2003-04-22 |
| 5981408 | Screen textile material | Takashi Katayama, Toru Yokomizo, Hiroki Sano | 1999-11-09 |
| 4514459 | Woven fabric having a velvety appearance | Shinji Yamaguchi, Kiyoshi Hirakawa, Isao Tokunaga, Masaaki Ito | 1985-04-30 |