Yanzhao ZHOU

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Patents Grantslast 30 patents

Information Patent Grant
Duplexer and communications system having duplexer
- Patent number 9,929,713
- Issue date Mar 27, 2018
- Huawei Technologies Co., Ltd.
- Sai-Wai Wong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tunable filter and duplexer including filter
- Patent number 9,647,307
- Issue date May 9, 2017
- Huawei Technologies Co., Ltd.
- Yanzhao Zhou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filtering apparatus
- Patent number 9,472,835
- Issue date Oct 18, 2016
- Huawei Technologies Co., Ltd.
- Yanzhao Zhou
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Duplexer and Communications System Having Duplexer
- Publication number 20160301378
- Publication date Oct 13, 2016
- Huawei Technologies Co., Ltd
- Shiwei Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TEM Mode Dielectric Filter and Manufacturing Method Thereof
- Publication number 20150318592
- Publication date Nov 5, 2015
- Huawei Technologies Co., Ltd
- Yanzhao Zhou
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Filtering Apparatus
- Publication number 20150061793
- Publication date Mar 5, 2015
- Huawei Technologies Co., Ltd
- Yanzhao Zhou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Resonance Tube, Method for Manufacturing Resonance Tube, and Cavity...
- Publication number 20150048904
- Publication date Feb 19, 2015
- Huawei Technologies Co., Ltd
- Yanzhao Zhou
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
TUNABLE FILTER AND DUPLEXER INCLUDING FILTER
- Publication number 20150042413
- Publication date Feb 12, 2015
- Huawei Technologies Co., Ltd
- Yanzhao ZHOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Waveguide Filter, Preparation Method Thereof and Communication Device
- Publication number 20140368300
- Publication date Dec 18, 2014
- Yanzhao Zhou
- H01 - BASIC ELECTRIC ELEMENTS