HUAWEI MARINE NETWORKS CO., LTD.

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Optical add-drop multiplexer and branching unit
- Patent number 9,923,660
- Issue date Mar 20, 2018
- Huawei Marine Networks Co., Ltd.
- Wendou Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeater and optical fiber communications system
- Patent number 9,876,574
- Issue date Jan 23, 2018
- Huawei Marine Networks Co., Ltd.
- Wendou Zhang
- G02 - OPTICS
Information Patent Grant
Optical add/drop multiplexer branching unit
- Patent number 9,768,899
- Issue date Sep 19, 2017
- Huawei Marine Networks Co., Ltd.
- Likun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfigurable optical add-drop multiplexer apparatus
- Patent number 9,762,348
- Issue date Sep 12, 2017
- Huawei Marine Networks Co., Ltd.
- Wendou Zhang
- G02 - OPTICS
Information Patent Grant
Communications device and method
- Patent number 9,705,593
- Issue date Jul 11, 2017
- Huawei Marine Networks Co., Ltd.
- Wendou Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, transport apparatus, and system for detecting submarine opt...
- Patent number 9,276,672
- Issue date Mar 1, 2016
- Huawei Marine Networks Co., Ltd.
- Wendou Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time-domain reflectometry signal detection method and appar...
- Patent number 9,194,763
- Issue date Nov 24, 2015
- Huawei Marine Networks Co., Ltd.
- Yingxin Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, apparatus and unit for detecting fault of submarine device
- Patent number 9,059,797
- Issue date Jun 16, 2015
- Huawei Marine Networks Co., Ltd.
- Guozhong Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for monitoring fiber line state, repeater, submarine cable s...
- Patent number 8,676,053
- Issue date Mar 18, 2014
- Huawei Marine Networks Co., Ltd.
- Guozhong Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
COTDR arrangement with swept frequency pulse generator for an optic...
- Patent number 7,869,708
- Issue date Jan 11, 2011
- Huawei Marine Networks Co., Ltd.
- Stephen G. Evangelides, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier module housed in a universal cable joint for an u...
- Patent number 7,529,020
- Issue date May 5, 2009
- Huawei Marine Networks Co., Ltd.
- David S. DeVincentis
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SUBMARINE CABLE FAULT DETERMINING METHOD AND APPARATUS
- Publication number 20210218469
- Publication date Jul 15, 2021
- HUAWEI MARINE NETWORKS CO., LTD.
- Changwu XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CABLE ACCESSORY DEVICE AND SUBMARINE CABLE ACCESSORY SYSTEM
- Publication number 20210116492
- Publication date Apr 22, 2021
- HUAWEI MARINE NETWORKS CO., LTD.
- Fei XU
- G01 - MEASURING TESTING
Information Patent Application
SUBMARINE NETWORK DEVICE
- Publication number 20210028591
- Publication date Jan 28, 2021
- HUAWEI MARINE NETWORKS CO., LTD.
- Changwu XU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBMARINE NETWORK DEVICE AND SUBMARINE CABLE SYSTEM
- Publication number 20210021336
- Publication date Jan 21, 2021
- HUAWEI MARINE NETWORKS CO., LTD.
- Yan WANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL REPEATER AND OPTICAL FIBER COMMUNICATIONS SYSTEM
- Publication number 20170063463
- Publication date Mar 2, 2017
- HUAWEI MARINE NETWORKS CO., LTD.
- Wendou ZHANG
- G02 - OPTICS
Information Patent Application
OPTICAL ADD-DROP MULTIPLEXER AND BRANCHING UNIT
- Publication number 20160308638
- Publication date Oct 20, 2016
- HUAWEI MARINE NETWORKS CO., LTD.
- Wendou ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ADD/DROP MULTIPLEXER BRANCHING UNIT
- Publication number 20160308639
- Publication date Oct 20, 2016
- HUAWEI MARINE NETWORKS CO., LTD.
- Likun ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER APPARATUS
- Publication number 20160261360
- Publication date Sep 8, 2016
- HUAWEI MARINE NETWORKS CO., LTD.
- Wendou ZHANG
- G02 - OPTICS
Information Patent Application
COMMUNICATIONS DEVICE AND METHOD
- Publication number 20150318926
- Publication date Nov 5, 2015
- HUAWEI MARINE NETWORKS CO., LTD.
- Wendou ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method, Apparatus, and System for Disaster Recovery of Optical Comm...
- Publication number 20140255020
- Publication date Sep 11, 2014
- HUAWEI MARINE NETWORKS CO., LTD.
- Wendou Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, TRANSPORT APPARATUS, AND SYSTEM FOR DETECTING SUBMARINE OPT...
- Publication number 20140086573
- Publication date Mar 27, 2014
- HUAWEI MARINE NETWORKS CO., LTD.
- Wendou Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TIME-DOMAIN REFLECTOMETRY SIGNAL DETECTION METHOD AND APPAR...
- Publication number 20140078506
- Publication date Mar 20, 2014
- HUAWEI MARINE NETWORKS CO., LTD.
- Yingxin HU
- G01 - MEASURING TESTING
Information Patent Application
SCHEDULING METHOD, APPARATUS, AND SYSTEM FOR AVOIDING DUAL-END MONI...
- Publication number 20140010531
- Publication date Jan 9, 2014
- HUAWEI MARINE NETWORKS CO., LTD.
- Xiaobo HU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ADD-DROP MULTIPLEXER BRANCHING UNIT AND ITS CONTROL METHOD
- Publication number 20130223837
- Publication date Aug 29, 2013
- HUAWEI MARINE NETWORKS CO., LTD.
- Wendou ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS AND UNIT FOR DETECTING FAULT OF SUBMARINE DEVICE
- Publication number 20120155857
- Publication date Jun 21, 2012
- HUAWEI MARINE NETWORKS CO., LTD.
- Guozhong Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ADD-DROP MULTIPLEXER BRANCHING UNIT AND CORRESPONDING OPTIC...
- Publication number 20120121267
- Publication date May 17, 2012
- HUAWEI MARINE NETWORKS CO., LTD.
- Guozhong WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR MONITORING FIBER LINE STATE, REPEATER, SUBMARINE CABLE S...
- Publication number 20120106947
- Publication date May 3, 2012
- HUAWEI MARINE NETWORKS CO., LTD.
- Guozhong WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

HUAWEI MARINE NETWORKS CO., LTD.

Organization

Patents Grantslast 30 patents

Optical add-drop multiplexer and branching unit

Optical repeater and optical fiber communications system

Optical add/drop multiplexer branching unit

Reconfigurable optical add-drop multiplexer apparatus

Communications device and method

Method, transport apparatus, and system for detecting submarine opt...

Optical time-domain reflectometry signal detection method and appar...

Method, apparatus and unit for detecting fault of submarine device

Method for monitoring fiber line state, repeater, submarine cable s...

COTDR arrangement with swept frequency pulse generator for an optic...

Optical amplifier module housed in a universal cable joint for an u...

Patents Applicationslast 30 patents

SUBMARINE CABLE FAULT DETERMINING METHOD AND APPARATUS

CABLE ACCESSORY DEVICE AND SUBMARINE CABLE ACCESSORY SYSTEM

SUBMARINE NETWORK DEVICE

SUBMARINE NETWORK DEVICE AND SUBMARINE CABLE SYSTEM

OPTICAL REPEATER AND OPTICAL FIBER COMMUNICATIONS SYSTEM

OPTICAL ADD-DROP MULTIPLEXER AND BRANCHING UNIT

OPTICAL ADD/DROP MULTIPLEXER BRANCHING UNIT

RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER APPARATUS

COMMUNICATIONS DEVICE AND METHOD

Method, Apparatus, and System for Disaster Recovery of Optical Comm...

METHOD, TRANSPORT APPARATUS, AND SYSTEM FOR DETECTING SUBMARINE OPT...

OPTICAL TIME-DOMAIN REFLECTOMETRY SIGNAL DETECTION METHOD AND APPAR...

SCHEDULING METHOD, APPARATUS, AND SYSTEM FOR AVOIDING DUAL-END MONI...

OPTICAL ADD-DROP MULTIPLEXER BRANCHING UNIT AND ITS CONTROL METHOD

METHOD, APPARATUS AND UNIT FOR DETECTING FAULT OF SUBMARINE DEVICE

OPTICAL ADD-DROP MULTIPLEXER BRANCHING UNIT AND CORRESPONDING OPTIC...

METHOD FOR MONITORING FIBER LINE STATE, REPEATER, SUBMARINE CABLE S...

Trademarklast 30 trademarks