Changbao Liu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Faulty multi-layer link restoration method and controller
- Patent number 11,552,881
- Issue date Jan 10, 2023
- Huawei Technologies Co., Ltd.
- Jia Che
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, system, and device for establishing pseudo wire
- Patent number 9,912,586
- Issue date Mar 6, 2018
- Huawei Technologies Co., Ltd.
- Chaowa Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, system, and device for establishing pseudo wire
- Patent number 9,391,882
- Issue date Jul 12, 2016
- Huawei Technologies Co., Ltd.
- Chaowa Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, system, and device for establishing pseudo wire
- Patent number 9,160,655
- Issue date Oct 13, 2015
- Huawei Technologies Co., Ltd.
- Chaowa Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FAULTY MULTI-LAYER LINK RESTORATION METHOD AND CONTROLLER
- Publication number 20200403907
- Publication date Dec 24, 2020
- Huawei Technologies Co., Ltd
- Jia CHE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, SYSTEM, AND DEVICE FOR ESTABLISHING PSEUDO WIRE
- Publication number 20160294690
- Publication date Oct 6, 2016
- Huawei Technologies Co., Ltd
- Chaowa QIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, SYSTEM, AND DEVICE FOR ESTABLISHING PSEUDO WIRE
- Publication number 20150188809
- Publication date Jul 2, 2015
- Huawei Technologies Co., Ltd
- Chaowa Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, SYSTEM, AND DEVICE FOR ESTABLISHING PSEUDO WIRE
- Publication number 20120281702
- Publication date Nov 8, 2012
- Huawei Technologies Co., Ltd
- Chaowa Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE