Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621625 | Optical node including three-stage optical amplifier with automatic gain and level control | Lintao Zhang, Guohua Xiao, Charles Mao, Xiofan Cao, Jialing Yang +1 more | 2003-09-16 |
| 6614587 | Control methods for a metro optical amplifier | Jun Yu, Charles Mao | 2003-09-02 |