Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744990 | WDM optical transmission system and an optical transmission line thereof | Masatoshi Suzuki, Noboru Edagawa, Hideaki Tanaka, Shinichi Nakagawa, Hidenori Taga +1 more | 2004-06-01 |