Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827401 | Cell handover method, apparatus, and system | Xinxin LIU, Jing Wang, Yalin Liu | 2020-11-03 |
| 10596952 | Intelligent lighting system for automobile lamp, automobile lamp assembly and automobile | Meng Yan, Juejing Yang | 2020-03-24 |
| 7881477 | Method for key distribution in a hierarchical multicast traffic security system for an internetwork | — | 2011-02-01 |
| 7444422 | Multicast when forwarding information is unknown | — | 2008-10-28 |
| 7269728 | Apparatus and method for distributing management keys in a multicast domain | — | 2007-09-11 |
| 7233567 | Apparatus and method for supporting multiple traffic redundancy mechanisms | — | 2007-06-19 |
| 7184396 | System, device, and method for bridging network traffic | — | 2007-02-27 |
| 7127610 | Apparatus and method of implementing multicast security between multicast domains | Billy Ng, Jyothi Hayes | 2006-10-24 |
| 6975587 | Mechanism for automatic protection switching in a router | Dan Adamski, David Benson, Bilel N. Jamoussi, Jagannath Shantigram | 2005-12-13 |
| 6928075 | Method and apparatus for aggregating multicast interfaces | — | 2005-08-09 |
| 6917983 | Reverse path forwarding using a multicast routing table | — | 2005-07-12 |
| 6795433 | Multicast routing cache | — | 2004-09-21 |
| 6791980 | System, device, and method for reducing the number of multicast routes maintained in a multicast routing information base | — | 2004-09-14 |
| 6751220 | Apparatus and method of managing virtual private network routing data | — | 2004-06-15 |
| 6751747 | System, device, and method for detecting and recovering from failures in a multicast communication system | — | 2004-06-15 |
| 6718382 | Technique for detecting leaky points within a network protocol domain | Billy Ng | 2004-04-06 |
| 6711172 | Network packet routing | — | 2004-03-23 |
| 6707796 | System device and method for reducing forwarding states in a communication system | — | 2004-03-16 |
| 6636895 | System, device, and method for distributing multicast routing information in a protocol independent multicast network | Billy Ng | 2003-10-21 |
| 6631420 | Reducing convergence time by a protocol independent multicast (PIM) router | Billy Ng | 2003-10-07 |
| 6606706 | Hierarchical multicast traffic security system in an internetwork | — | 2003-08-12 |
| 6597703 | System, device, and method for reducing multicast forwarding states in a multicast communication system | Shuching Shieh | 2003-07-22 |
| 6594703 | Apparatus and method of minimizing internal multicast traffic | — | 2003-07-15 |
| 6526054 | System, device, and method for transitioning from DVMRP to BGMP for interdomain multicast routing over the internet multicast backbone | Billy Ng, Shuching Shieh | 2003-02-25 |