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