Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8717410 | Video communication method, apparatus, and system | Guangyao Zhao, Jing Wang, Yuan Liu | 2014-05-06 |
| 8189569 | Apparatus and method for realizing user switching between IP network and PSTN network | — | 2012-05-29 |