Liyao Zhao

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dual-homing protection
- Patent number 9,036,561
- Issue date May 19, 2015
- Hangzhou H3C Technologies Co., Ltd.
- Xiangqing Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for implementing intersecting ring network with arbitrary to...
- Patent number 8,064,334
- Issue date Nov 22, 2011
- Hangzhou H3C Technologies Co., Ltd.
- Liyao Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DUAL-HOMING PROTECTION
- Publication number 20140301275
- Publication date Oct 9, 2014
- Xiangqing Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR IMPLEMENTING INTERSECTING RING NETWORK WITH ARBITRARY TO...
- Publication number 20090262643
- Publication date Oct 22, 2009
- Hangzhou H3C Technologies Co., Ltd.
- Liyao Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE