Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10867065 | Secure voice communication method and device based on instant communication | Hang Chen | 2020-12-15 |
| 10587559 | Communication and messaging system | Hang Chen, Zhenhao Wu, Lili Zhang, Chenlu Guo, Feng Bao +8 more | 2020-03-10 |