Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9215607 | Main/standby switching interface module, network element system, and link information synchronization detection method | Heyang Liu, Shubo Guo | 2015-12-15 |
| 8619811 | Apparatus, system and method for forwarding user plane data | Heyang Liu, Chenggang Li, Haishu Zheng, Yajun Zhang | 2013-12-31 |