Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356134 | Headset and control method with usage status detection | Zhizhong Zhang, Qingsong Yu, RuiBao LIU | 2025-07-08 |
| D1074907 | Portable folding camping cot | — | 2025-05-13 |
| 12295495 | Multi-purpose folding frame and multi-purpose folding frame module | — | 2025-05-13 |
| D1068942 | Portable folding camping cot | — | 2025-04-01 |
| 12185831 | Folding frame and outdoor table or outdoor chair using the folding frame | — | 2025-01-07 |
| D1045419 | Collapsible chair base | — | 2024-10-08 |
| 11937709 | Folding frame and outdoor table or outdoor chair using the folding frame | — | 2024-03-26 |
| 9264344 | Method and apparatus for providing a route recommendation | Guangzhi Li, Angela Chiu, Chris Dailey, Robert Duncan Doverspike, Monica Naukam Gerhardstein +2 more | 2016-02-16 |
| 8989018 | Method and apparatus for providing a route recommendation | Guangzhi Li, Angela Chiu, Chris Dailey, Robert Duncan Doverspike, Monica Naukam Gerhardstein +2 more | 2015-03-24 |
| 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 |
| 8611232 | Method of simple and efficient failure resilient load balancing | Robert Duncan Doverspike, David Peter Johnson, Jennifer Lynn Rexford, Martin Suchara | 2013-12-17 |
| 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 |
| 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 |
| 8422379 | Method of simple and efficient failure resilient load balancing | Robert Duncan Doverspike, David Peter Johnson, Jennifer Lynn Rexford, Martin Suchara | 2013-04-16 |
| 7944856 | Method and apparatus for providing redundancy for an access network | Elliot Anshelevich, Mung Chiang | 2011-05-17 |
| 7701848 | Efficient trap avoidance and shared protection method in survivable networks with shared risk link groups and a survivable network | Chunming Qiao, Yizhi Xiong | 2010-04-20 |
| 7398321 | Segment protection scheme for a network | Chunming Qiao, Yizhi Xiong | 2008-07-08 |