HUAWEI MARINE NETWORKS CO., LTD.

Patent Applications and Registrations

Patent applications and USPTO patent grants for HUAWEI MARINE NETWORKS CO., LTD..The latest application filed is for "submarine cable fault determining method and apparatus".

Company Profile

6.19.26

HUAWEI MARINE NETWORKS CO., LTD. - Tianjin N/A CN
Huawei Marine Networks Co., Ltd. - CN CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Submarine cable fault determining method and apparatus Grant 11,265,080 - Xu , et al. March 1, 2	2022-03-01
Submarine Cable Fault Determining Method And Apparatus App 20210218469 - XU; Changwu ; et al.	2021-07-15
Cable Accessory Device And Submarine Cable Accessory System App 20210116492 - XU; Fei ; et al.	2021-04-22
Submarine Network Device App 20210028591 - XU; Changwu ; et al.	2021-01-28
Submarine Network Device And Submarine Cable System App 20210021336 - WANG; Yan ; et al.	2021-01-21
Optical add-drop multiplexer and branching unit Grant 9,923,660 - Zhang March 20, 2	2018-03-20
Optical repeater and optical fiber communications system Grant 9,876,574 - Zhang January 23, 2	2018-01-23
Optical add/drop multiplexer branching unit Grant 9,768,899 - Zhang , et al. September 19, 2	2017-09-19
Reconfigurable optical add-drop multiplexer apparatus Grant 9,762,348 - Zhang , et al. September 12, 2	2017-09-12
Communications device and method Grant 9,705,593 - Zhang , et al. July 11, 2	2017-07-11
Optical Repeater And Optical Fiber Communications System App 20170063463 - ZHANG; Wendou	2017-03-02
Optical Add/drop Multiplexer Branching Unit App 20160308639 - ZHANG; Likun ; et al.	2016-10-20
Optical Add-drop Multiplexer And Branching Unit App 20160308638 - ZHANG; Wendou	2016-10-20
Reconfigurable Optical Add-drop Multiplexer Apparatus App 20160261360 - ZHANG; Wendou ; et al.	2016-09-08
Method, transport apparatus, and system for detecting submarine optical cable line Grant 9,276,672 - Zhang , et al. March 1, 2	2016-03-01
Optical time-domain reflectometry signal detection method and apparatus Grant 9,194,763 - Hu , et al. November 24, 2	2015-11-24
Communications Device And Method App 20150318926 - ZHANG; Wendou ; et al.	2015-11-05
Method, apparatus and unit for detecting fault of submarine device Grant 9,059,797 - Wang , et al. June 16, 2	2015-06-16
Method, Apparatus, and System for Disaster Recovery of Optical Communication System App 20140255020 - Zhang; Wendou ; et al.	2014-09-11
Method, Transport Apparatus, And System For Detecting Submarine Optical Cable Line App 20140086573 - Zhang; Wendou ; et al.	2014-03-27
Optical Time-domain Reflectometry Signal Detection Method And Apparatus App 20140078506 - HU; Yingxin ; et al.	2014-03-20
Method for monitoring fiber line state, repeater, submarine cable system Grant 8,676,053 - Wang , et al. March 18, 2	2014-03-18
Scheduling Method, Apparatus, And System For Avoiding Dual-end Monitoring Conflict For Submarine Cable Optical Line App 20140010531 - HU; Xiaobo ; et al.	2014-01-09
Optical Add-drop Multiplexer Branching Unit And Its Control Method App 20130223837 - ZHANG; Wendou	2013-08-29
Method, Apparatus And Unit For Detecting Fault Of Submarine Device App 20120155857 - Wang; Guozhong ; et al.	2012-06-21
Optical Add-drop Multiplexer Branching Unit And Corresponding Optical Transmission Method And System App 20120121267 - WANG; Guozhong ; et al.	2012-05-17
Method For Monitoring Fiber Line State, Repeater, Submarine Cable System App 20120106947 - WANG; Guozhong ; et al.	2012-05-03
COTDR arrangement with swept frequency pulse generator for an optical transmission system Grant 7,869,708 - Evangelides, Jr. , et al. January 11, 2	2011-01-11
Optical amplifier module housed in a universal cable joint for an undersea optical transmission system Grant 7,529,020 - DeVincentis , et al. May 5, 2	2009-05-05

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