Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8897641 | Reachability matrices spanning multiple domains in an optical network | Robert Duncan Doverspike, Guangzhi Li, Angela Chiu, Monica Naukam Gerhardstein, Yici Guo +1 more | 2014-11-25 |
| 8824461 | Method and apparatus for providing a control plane across multiple optical network domains | Robert Duncan Doverspike, Albert Greenberg, Guangzhi Li, Jennifer Yates, Joel M. Gottlieb +2 more | 2014-09-02 |
| 8780697 | Bandwidth management for MPLS fast rerouting | Guangzhi Li | 2014-07-15 |
| 8750161 | Metropolitan IP aggregation network design tool | David Kent Matthews, Promod Kumar Bhagat, Robert Duncan Doverspike, John Gregory Klincewicz, Jian Li +3 more | 2014-06-10 |
| 8665698 | System and method for restoration in a multimedia IP network | Guangzhi Li | 2014-03-04 |
| 8515280 | Physically-diverse routing in heterogeneous optical networks | Guangzhi Li, Angela Chiu, Chris Dailey, Robert Duncan Doverspike, Monica Naukam Gerhardstein +1 more | 2013-08-20 |
| 8467382 | Method and apparatus for providing a control plane across multiple optical network domains | Robert Duncan Doverspike, Albert Greenberg, Guangzhi Li, Jennifer Yates, Joel M. Gottleib +2 more | 2013-06-18 |
| 8452176 | Reachability matrices spanning multiple domains in an optical network | Robert Duncan Doverspike, Guangzhi Li, Angela Chiu, Monica Naukam Gerhardstein, Yici Guo +1 more | 2013-05-28 |
| 8374077 | Bandwidth management for MPLS fast rerouting | Guangzhi Li | 2013-02-12 |
| 8208371 | Bandwidth management for MPLS fast rerouting | Guangzhi Li | 2012-06-26 |
| 7974183 | Method for restoration and normalization in a mesh network | Guangzhi Li, Jennifer Yates, Charles Robert Kalmanek, Jr. | 2011-07-05 |
| 7904571 | Method and apparatus for generating a set of aggregates | Charles Robert Kalmanek, Jr., Guangzhi Li, Aman Shaikh, Jennifer Yates | 2011-03-08 |
| 7830785 | System and method for restoration in a multimedia IP network | Guangzhi Li | 2010-11-09 |
| 7652983 | Method for restoration and normalization in a mesh network | Guangzhi Li, Jennifer Yates, Charles Robert Kalman | 2010-01-26 |
| 7620807 | Method and apparatus for automatically constructing application signatures | Oliver Spatscheck, Subhabrata Sen | 2009-11-17 |
| 7613135 | System and method for routing packet traffic | Guangzhi Li, Robert Duncan Doverspike | 2009-11-03 |
| 7406032 | Bandwidth management for MPLS fast rerouting | Guangzhi Li | 2008-07-29 |