Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9832621 | Method, terminal, server, and system for audio signal transmission | Yongxin Wang, Fan YIN | 2017-11-28 |
| 9699132 | Method, apparatus, and system for exchanging electronic business card | Yu Chen, Jing He, Junshan Wang, Bin Li | 2017-07-04 |