Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8433900 | Secure transport of multicast traffic | Changming Liu, Choung-Yaw Shieh | 2013-04-30 |
| 8132000 | Secure transport of multicast traffic | Changming Liu, Choung-Yaw Shieh | 2012-03-06 |
| 7941826 | Enforcing access control on multicast transmissions | Changming Liu, Purvi Desai | 2011-05-10 |
| 7725925 | Enforcing access control on multicast transmissions | Changming Liu, Purvi Desai | 2010-05-25 |
| 7587591 | Secure transport of multicast traffic | Changming Liu, Choung-Yaw Shieh | 2009-09-08 |
| 7197660 | High availability network security systems | Changming Liu, Yan Ke, Lin Chen, Xiaosong Yang | 2007-03-27 |