Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8477669 | Method, device, and system for implementing communication services | Shiqian Li, Fengshao Zou, Xun Shi, Yunfei Li | 2013-07-02 |
| 8331356 | Method, apparatus and system for transmitting a global text telephone signal | — | 2012-12-11 |