Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8059535 | Method and core router for delaying burst | Yulei Qi, Du Xu, Shizhong Xu, Yi Zhang | 2011-11-15 |
| 8050284 | Method, device and communication equipment for controlling a burst assembly | Lu Zhao, Shizhong Xu, Yi Zhang | 2011-11-01 |
| 7957421 | Method and system for managing data service network of metropolitan area network | — | 2011-06-07 |
| 7957523 | Method and system for implementing a ring back tone based on group mobile switchboard service | — | 2011-06-07 |