Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11258737 | Instant messaging method, apparatus and system based on email system | Yingtang Chen | 2022-02-22 |
| 11196784 | Method, apparatus and system for creating discussion group based on instant messaging | Yingtang Chen | 2021-12-07 |