Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614588 | Optical amplifier having various control circuitry | Aritomo Uemura, Kiwami Matsushita, Masatoshi Suzuki, Noboru Edagawa, Shu Yamamoto +1 more | 2003-09-02 |
| 6594003 | Measuring system of transmission characteristics | Toshio Kawazawa | 2003-07-15 |
| 6556325 | Optical repeater monitoring system and a method thereof | Masatoshi Suzuki, Shu Yamamoto, Shigeyuki Akiba | 2003-04-29 |