Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969890 | Methods, systems, and computer program products for load balanced and symmetric path computations for VoIP traffic engineering | San-Qi Li, David Z. Lu, Rupert Zhu, Yen Shei | 2011-06-28 |
| 7948985 | Methods, systems, and computer program products for source-aware IP routing at a media gateway | David Z. Lu, Rupert Zhu, San-Qi Li | 2011-05-24 |
| 7940660 | Methods, systems, and computer program products for voice over IP (VoIP) traffic engineering and path resilience using media gateway and associated next-hop routers | Rupert Zhu, David Z. Lu, San-Qi Li | 2011-05-10 |
| 7881188 | Methods, systems, and computer program products for implementing link redundancy in a media gateway | San-Qi Li, David Z. Lu | 2011-02-01 |
| 7715403 | Methods, systems, and computer program products for load balanced and symmetric path computations for VoIP traffic engineering | San-Qi Li, David Z. Lu, Rupert Zhu, Yen Shei | 2010-05-11 |
| 7570594 | Methods, systems, and computer program products for multi-path shortest-path-first computations and distance-based interface selection for VoIP traffic | Rupert Zhu, David Z. Lu, San-Qi Li, Yen Shei | 2009-08-04 |
| 7424025 | Methods and systems for per-session dynamic management of media gateway resources | David Z. Lu, San-Qi Li, Yen Shei, Weijun Lee | 2008-09-09 |
| 6956820 | Methods, systems, and computer program products for voice over IP (VoIP) traffic engineering and path resilience using network-aware media gateway | Rupert Zhu, David Z. Lu, San-Qi Li | 2005-10-18 |
| 6700868 | Switching redundancy control | Alexander A. Smith, Masahiro Shinbashi, Daniel Mieczkowski, David X. Chen | 2004-03-02 |
| 6359858 | Switching redundancy control | Alexander A. Smith, Masahiro Shinbashi, Daniel Mieczkowski, David X. Chen | 2002-03-19 |
| 6353593 | Protection architecture for virtual channel connections (VCCS) in a telecommunications network | David X. Chen, Ted Chang, Rupert Zhu | 2002-03-05 |