Changliang YU

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Avalanche photodiode and manufacturing method thereof
- Patent number 9,705,023
- Issue date Jul 11, 2017
- Huawei Technologies Co., Ltd.
- Changliang Yu
- G02 - OPTICS
Information Patent Grant
Method and apparatus for testing optical fiber and passive optical...
- Patent number 9,106,333
- Issue date Aug 11, 2015
- Huawei Technologies Co., Ltd.
- Degang Zhong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time domain reflectometer test signal modulation circuit, a...
- Patent number 8,780,340
- Issue date Jul 15, 2014
- Huawei Technologies Co., Ltd.
- Zebin Li
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Avalanche Photodiode and Manufacturing Method Thereof
- Publication number 20160351743
- Publication date Dec 1, 2016
- Huawei Technologies Co., Ltd
- Changliang Yu
- G02 - OPTICS
Information Patent Application
METHOD AND APPARATUS FOR TESTING OPTICAL FIBER AND PASSIVE OPTICAL...
- Publication number 20130259470
- Publication date Oct 3, 2013
- Huawei Technologies Co.,, Ltd.
- Degang Zhong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TIME DOMAIN REFLECTOMETER TEST SIGNAL MODULATION CIRCUIT, A...
- Publication number 20130148108
- Publication date Jun 13, 2013
- Huawei Technologies Co., Ltd
- Zebin LI
- G01 - MEASURING TESTING