Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635204 | Process of making hollow fibers and treating fibers | Kazuhiko Tanaka, Nobuhiro Koga, Masao Kawamoto, Akihiro Hokimoto, Tateki Yamakawa +2 more | 2003-10-21 |
| 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 |
| 6537660 | Light-weight fiber excellent in dyeability | Takashi Katayama, Kazuhiko Maekawa, Ichirou Inoue, Shuhei Yorimitsu | 2003-03-25 |