Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8589442 | Intersystem single sign-on | Yongming Wu, Li Cheng | 2013-11-19 |
| 8412997 | Method and system for message retransmission and intersystem message delivery | Li Cheng, Lei Li | 2013-04-02 |
| 8250095 | Intersystem single sign-on | Yongming Wu, Li Cheng | 2012-08-21 |