Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795235 | Optical transmission line, method of making optical transmission line, and optical transmission system | Masayuki Nishimura | 2004-09-21 |
| 6763194 | Optical transmission system and channel assigning method | Masayuki Nishimura | 2004-07-13 |
| 6724525 | Raman amplifying control unit and optical transmission system | Eisuke Sasaoka, Masayuki Nishimura, Shigeru Tanaka | 2004-04-20 |
| 6687433 | WDM optical communication system | Motoki Kakui | 2004-02-03 |