Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9749316 | Method for data access using a dynamic SIM credential | David Zhang, Xiaohua Yuan | 2017-08-29 |
| 9749904 | Circuit switch voice roaming to LTE network | David Zhang, Xiaohua Yuan, Zhihai Zhang | 2017-08-29 |
| 9716999 | Method of and system for utilizing a first network authentication result for a second network | David Zhang, Bing Li | 2017-07-25 |
| 9626341 | Method of and system for displaying mobile messages in unsupported formats | Xiaomei Guan | 2017-04-18 |