Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621625 | Optical node including three-stage optical amplifier with automatic gain and level control | Guohua Xiao, Charles Mao, Xiofan Cao, Jialing Yang, Jin Xie +1 more | 2003-09-16 |