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Shenzhen, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Optical switch and optical switch array
Patent number
9,042,689
Issue date
May 26, 2015
Huawei Technologies Co., Ltd.
Qinghua Chen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method, apparatus and system for detecting connection status of opt...
Patent number
8,965,200
Issue date
Feb 24, 2015
Huawei Technologies Co., Ltd.
Yunsheng Wen
G02 - OPTICS
Information
Patent Grant
Method and apparatus for detecting branch fibers, and passive optic...
Patent number
8,917,987
Issue date
Dec 23, 2014
Huawei Technologies Co., Ltd.
Yunsheng Wen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical switch system and feedback control method of signal light
Patent number
8,891,915
Issue date
Nov 18, 2014
Huawei Technologies Co., Ltd.
Shijun Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical cable and optical cable system
Patent number
8,660,392
Issue date
Feb 25, 2014
Huawei Technologies Co., Ltd.
Wenxin Wu
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
WAVELENGTH ALIGNMENT METHOD AND APPARATUS, AND OPTICAL NETWORK SYSTEM
Publication number
20160134079
Publication date
May 12, 2016
Huawei Technologies Co., Ltd
Zhenxing LIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEXER, OPTICAL SWITCH DEVICE AND CONTROL...
Publication number
20130343758
Publication date
Dec 26, 2013
Huawei Technologies Co., Ltd
Shijun WANG
G02 - OPTICS
Information
Patent Application
OPTICAL SWITCH SYSTEM AND FEEDBACK CONTROL METHOD OF SIGNAL LIGHT
Publication number
20130336615
Publication date
Dec 19, 2013
Huawei Technologies Co., Ltd
Shijun WANG
G02 - OPTICS
Information
Patent Application
OPTICAL SWITCH AND OPTICAL SWITCH ARRAY
Publication number
20130243372
Publication date
Sep 19, 2013
Huawei Technologies Co., Ltd
Qinghua Chen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND APPARATUS FOR DETECTING BRANCH FIBERS, AND PASSIVE OPTIC...
Publication number
20120263458
Publication date
Oct 18, 2012
Yunsheng Wen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL CABLE AND OPTICAL CABLE SYSTEM
Publication number
20120063732
Publication date
Mar 15, 2012
Huawei Technologies Co., Ltd
Wenxin Wu
G02 - OPTICS
Information
Patent Application
METHOD, APPARATUS AND SYSTEM FOR DETECTING CONNECTION STATUS OF OPT...
Publication number
20120063767
Publication date
Mar 15, 2012
Huawei Technologies Co., Ltd
Yunsheng Wen
G02 - OPTICS