Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843457 | Method and systems for maintaining a proxy mapping table | Da-Jun Chen, Yong Tian, Jian Wang, Dong Zhao | 2017-12-12 |
| 9832309 | Method and apparatus to detect a stale number | Dajun Chen, Yong Tian, Hongxia Wang | 2017-11-28 |
| 9743379 | Method and server for broadcasting a data file to a plurality of radio talk groups | Dajun Chen, Wen-Hung Feng, Yahui Gong, Yong Tian | 2017-08-22 |