Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9467962 | Trusted non-3GPP access network element, and method for accessing mobile network and de-attachment | Guoyan Liu, Chunhui Zhu, Shuang Liang | 2016-10-11 |
| 8453211 | Method of obtaining proxy call session control function address while roaming | Yuzhen Huo | 2013-05-28 |