Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614588 | Optical amplifier having various control circuitry | Aritomo Uemura, Kiwami Matsushita, Yukio Horiuchi, Masatoshi Suzuki, Noboru Edagawa +1 more | 2003-09-02 |
| 6556325 | Optical repeater monitoring system and a method thereof | Yukio Horiuchi, Masatoshi Suzuki, Shigeyuki Akiba | 2003-04-29 |
| 6532091 | Optical digital regenerator | Tetsuya Miyazaki, Tomohiro Otani, Masatoshi Suzuki, Noboru Edagawa | 2003-03-11 |
| 6504638 | Optical amplifying transmission system and optical amplifier | Keiji Tanaka, Noboru Edagawa, Hidenori Taga | 2003-01-07 |