Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811874 | Composite fiber | Kazuhiko Tanaka, Masao Kawamoto, Hitoshi Nakatsuka, Nobuhiro Koga, Ichirou Inoue | 2004-11-02 |
| 6635204 | Process of making hollow fibers and treating fibers | Kazuhiko Tanaka, Hitoshi Nakatsuka, Nobuhiro Koga, Masao Kawamoto, Akihiro Hokimoto +2 more | 2003-10-21 |
| 6455156 | Hollow fibers and manufacturing method of hollow fibers | Kazuhiko Tanaka, Hitoshi Nakatsuka, Nobuhiro Koga, Masao Kawamoto, Akihiro Hokimoto +2 more | 2002-09-24 |