Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8077853 | VoIP adapter, IP network device and method for performing advanced VoIP functions | Xiao Xi Liu, Wei Lu, Qing Wang, Bo Yang | 2011-12-13 |
| 8065317 | User-centric service providing device and service providing method | Hao Wang, Shih-Gong Li, Li Wei, Song Song, Xiao Xi Liu +1 more | 2011-11-22 |
| 8009585 | Method and system for topology discovery in an SIP network | Jun Liu, Wei Lu, Ben Bo Yang, Qing Wang | 2011-08-30 |
| 8002178 | Virtual membership card system and providing method, and virtual membership card reading method | Ken-Ching Chen, Lin Luo, Wei Xiong Shang | 2011-08-23 |