Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455156 | Hollow fibers and manufacturing method of hollow fibers | Kazuhiko Tanaka, Hitoshi Nakatsuka, Nobuhiro Koga, Masao Kawamoto, Tateki Yamakawa +2 more | 2002-09-24 |
| 6413634 | Electrically-conductive composite fiber | Kazuhiko Tanaka, Yoshiteru Matsuo, Masao Kawamoto | 2002-07-02 |