Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12267889 | Service processing method, apparatus, and system | Wenyong Han | 2025-04-01 |
| 12232001 | Communication processing method, and communication processing apparatus and system | Wenyong Han | 2025-02-18 |
| 12015503 | Virtual network communication method, device, and system | Qi Yao, Wenyong Han, Wenfu Wu, Qianghua Zhu | 2024-06-18 |
| 10063448 | Method and system for heartbeat adaptation | Gang Zuo, Rungui Ye | 2018-08-28 |
| 8391453 | Enabling incoming VoIP calls behind a network firewall | Attila J. Hunyady, Xiaodong Zhu, Feng Zhou | 2013-03-05 |
| 7826602 | Enabling incoming VoIP calls behind a network firewall | Attila J. Hunyady, Xiaodong Zhu, Feng Zou | 2010-11-02 |
| 6898278 | Signaling switch for use in information protocol telephony | Li Li, Edward Ndububa, Samuel Chen, Jianping Jiang, Jianli Wang +6 more | 2005-05-24 |