Qingzhi LIU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Optical backplane system, switching system, and switching system up...
- Patent number 11,237,345
- Issue date Feb 1, 2022
- Huawei Technologies Co., Ltd.
- Daochun Mo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Board registration method, board, and forwarding device
- Patent number 10,805,107
- Issue date Oct 13, 2020
- Huawei Technologies Co., Ltd.
- Xiaofei Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL BACKPLANE SYSTEM, SWITCHING SYSTEM, AND SWITCHING SYSTEM UP...
- Publication number 20200292770
- Publication date Sep 17, 2020
- Huawei Technologies Co., Ltd
- Daochun MO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Board Registration Method, Board, And Forwarding Device
- Publication number 20190222436
- Publication date Jul 18, 2019
- Huawei Technologies Co., Ltd
- Xiaofei XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE