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 |
| 6562151 | Rolling shaft made by high-frequency quenching | Hiroshi Fukushima | 2003-05-13 |