Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7904535 | Method of cluster management of network devices and apparatus thereof | Jiewen Luo, Anping Hu | 2011-03-08 |
| 7609831 | Method for implementing wide area Centrex | Lizheng Cao, Weijun Ma, Sheng Yi | 2009-10-27 |
| 7596212 | Method for a calling party to reinitiate a call in card number service | Shengjun Xu, Deyong Li, Sheng Yi | 2009-09-29 |