Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9137047 | Instant messaging system, component and method for additional service | Liang Hu, Caishi Yang, Min Yang | 2015-09-15 |
| 9106449 | Method, apparatus and system for obtaining logon information | Min Yan, Caishi Yang, Liang Hu | 2015-08-11 |