Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9992561 | Method and apparatus for determining a rogue ONU in a PON | Xiao Ling Chen, Qingjiang Chang, Kaibin Zhang | 2018-06-05 |
| 9621296 | Remote node device, optical network unit and system and communication method thereof | Zhensen Gao, Qingjiang Chang, Lin Gui, Hongqian Mu | 2017-04-11 |