Lewei Zhang

Follow

Person

Wuhan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Reconfigurable optical add/drop multiplexer
- Patent number 10,924,200
- Issue date Feb 16, 2021
- Huawei Technologies Co., Ltd.
- Ruiqiang Ji
- G02 - OPTICS
Information Patent Grant
Optical communications method and apparatus
- Patent number 9,641,256
- Issue date May 2, 2017
- Huawei Technologies Co., Ltd.
- Chao Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent waveform conversion in optical networks
- Patent number 9,531,472
- Issue date Dec 27, 2016
- Huawei Technologies Co., Ltd.
- Zhuhong Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER
- Publication number 20200059314
- Publication date Feb 20, 2020
- Huawei Technologies Co., Ltd
- Ruiqiang JI
- G02 - OPTICS
Information Patent Application
Optical Communications Method and Apparatus
- Publication number 20160105242
- Publication date Apr 14, 2016
- Huawei Technologies Co., Ltd
- Chao Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Coherent Waveform Conversion in Optical Networks
- Publication number 20150288450
- Publication date Oct 8, 2015
- FutureWei Technologies, Inc.
- Zhuhong Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE