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ELECTRICITY
H04
Electric communication
H04J
MULTIPLEX COMMUNICATION
H04J14/00
Optical multiplex systems
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H04J14/0208
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Patents Grants
last 30 patents
Information
Patent Grant
Alien wavelength management
Patent number
11,646,811
Issue date
May 9, 2023
Ljubomir Glavic
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase retarder and optical comb filter thereof
Patent number
10,866,350
Issue date
Dec 15, 2020
Huawei Technologies Co., Ltd.
Chendi Jiang
G02 - OPTICS
Information
Patent Grant
Reducing interference from channel holders in an optical link
Patent number
10,833,791
Issue date
Nov 10, 2020
Ciena Corporation
Choudhury A. Al Sayeed
G02 - OPTICS
Information
Patent Grant
Network node and method
Patent number
10,819,459
Issue date
Oct 27, 2020
Telefonaktiebolaget LM Ericsson (publ)
Roberto Magri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for enabling a single fiber-working on an opti...
Patent number
10,615,904
Issue date
Apr 7, 2020
ADVA Optical Networking SE
Sander Jansen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for multiplexing and demodulation at high frequ...
Patent number
10,404,403
Issue date
Sep 3, 2019
Ball Aerospace & Technologies Corp.
John R. Troeltzsch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Free space optical communications device
Patent number
10,298,324
Issue date
May 21, 2019
Universite de Picardie Jules Verne
Frederic Lamarque
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronical compensation of an interleaver transfer function for o...
Patent number
10,110,314
Issue date
Oct 23, 2018
Oclaro Technology Limited
Robert Griffin
G02 - OPTICS
Information
Patent Grant
Optical router having optical routing nodes of four bi-directional...
Patent number
9,817,296
Issue date
Nov 14, 2017
Lumilant, Inc.
Ahmed Sharkawy
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Submarine reconfigurable optical add/drop multiplexer with passive...
Patent number
9,813,182
Issue date
Nov 7, 2017
NEC Corporation
Philip N. Ji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reconfigurable optical switch apparatus
Patent number
9,647,790
Issue date
May 9, 2017
Telefonaktiebolaget L M Ericsson (Publ)
Antonio D'Errico
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bi-directional compact coarse wavelength division multiplexing havi...
Patent number
9,590,759
Issue date
Mar 7, 2017
Alliance Fiber Optic Products, Inc.
Xiaotao Peng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical router using interconnected photonic crystal elements with...
Patent number
9,459,404
Issue date
Oct 4, 2016
LUMILANT, INC.
Ahmed Sharkawy
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Transmission device and transmission method
Patent number
9,444,572
Issue date
Sep 13, 2016
Fujitsu Limited
Tomohiro Kaneoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for transmitting an optical digital WDM signal ov...
Patent number
9,219,523
Issue date
Dec 22, 2015
ADVA Optical Networking SE
Michael Eiselt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical terminating apparatus for optical path network
Patent number
9,172,488
Issue date
Oct 27, 2015
National University Corporation Nagoya University
Ken-ichi Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength path multiplexing/demultiplexing apparatus and wavelengt...
Patent number
9,154,254
Issue date
Oct 6, 2015
NEC Corporation
Masahiro Sakauchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical adding and dropping device and optical transmission apparatus
Patent number
8,958,695
Issue date
Feb 17, 2015
Fujitsu Limited
Hiroki Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network interconnect device
Patent number
8,948,593
Issue date
Feb 3, 2015
Fujitsu Limited
Hiroki Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for tunable optical filtering
Patent number
8,923,700
Issue date
Dec 30, 2014
Google Inc.
Luciano Socci
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for optimizing the capacity of optical communication networks
Patent number
8,849,118
Issue date
Sep 30, 2014
Alcatel Lucent
Gabriel Charlet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for colorless add
Patent number
8,842,947
Issue date
Sep 23, 2014
FutureWei Technologies, Inc.
Zhiping Jiang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controllable optical add/drop multiplexer
Patent number
8,781,331
Issue date
Jul 15, 2014
Federal State Budgetary Institution “Federal Agency for Legal Protection of M...
Vyacheslav Konstantinovich Sakharov
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for constructing large wavelength selective s...
Patent number
8,737,776
Issue date
May 27, 2014
Tellabs Operations, Inc.
Mark E. Boduch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplex terminal with automatic configuration...
Patent number
8,699,877
Issue date
Apr 15, 2014
Xieon Networks S.a.r.l.
Robert Schimpe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for improved distributed compensation of filte...
Patent number
8,693,873
Issue date
Apr 8, 2014
AT&T Intellectual Property I, L.P.
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexed optical communication system archit...
Patent number
8,655,190
Issue date
Feb 18, 2014
Infinera Corporation
Kuang-Tsan Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method, and system for a re-configurable optical multiplexer, demul...
Patent number
8,644,705
Issue date
Feb 4, 2014
Oclaro (North America), Inc.
Giovanni Barbarossa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Colorless dense wavelength division multiplexing transmitters
Patent number
8,606,107
Issue date
Dec 10, 2013
FutureWei Technologies, Inc.
Yu Sheng Bai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for constructing large wavelength selective s...
Patent number
8,401,348
Issue date
Mar 19, 2013
Tellabs Operations, Inc.
Mark E. Boduch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Bundling capacity changes in channel holder based optical links
Publication number
20240014917
Publication date
Jan 11, 2024
CIENA CORPORATION
Choudhury A. Al Sayeed
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEXERS FOR SPACE DIVISION MULTIPLEXING (S...
Publication number
20230208546
Publication date
Jun 29, 2023
Chiral Photonics, Inc.
Victor Il'ich Kopp
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ALIEN WAVELENGTH MANAGEMENT
Publication number
20230111987
Publication date
Apr 13, 2023
Zayo Group, LCC
Ljubomir Glavic
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BIDIRECTIONAL FILTER
Publication number
20230106876
Publication date
Apr 6, 2023
Lumentum Operations LLC
Adrian Perrin JANSSEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH SWITCHING AND CONFIGURATION METHOD AND DEVICE FOR PASSIV...
Publication number
20220271858
Publication date
Aug 25, 2022
ZTE Corporation
Weiliang ZHANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network Node and Method
Publication number
20190393973
Publication date
Dec 26, 2019
Telefonakiebolagergt LM Ericsson (publ)
Roberto Magri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR MULTIPLEXING AND DEMODULATION AT HIGH FREQU...
Publication number
20180270010
Publication date
Sep 20, 2018
Ball Aerospace & Technologies Corp.
John R. Troeltzsch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRONICAL COMPENSATION OF AN INTERLEAVER TRANSFER FUNCTION FOR O...
Publication number
20180159630
Publication date
Jun 7, 2018
Oclaro Technology Limited
Robert Griffin
G02 - OPTICS
Information
Patent Application
FREE SPACE OPTICAL COMMUNICATIONS DEVICE
Publication number
20180097563
Publication date
Apr 5, 2018
Universite De Picardie Jules Verne
Frederic LAMARQUE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL ROUTER
Publication number
20180074385
Publication date
Mar 15, 2018
LUMILANT, INC.
AHMED SHARKAWY
B82 - NANO-TECHNOLOGY
Information
Patent Application
PHASE RETARDER AND OPTICAL COMB FILTER THEREOF
Publication number
20170261669
Publication date
Sep 14, 2017
Huawei Technologies Co., Ltd
Chendi Jiang
G02 - OPTICS
Information
Patent Application
COLORLESS, RECONFIGURABLE, OPTICAL ADD-DROP MULTIPLEXER (ROADM) APP...
Publication number
20140355984
Publication date
Dec 4, 2014
Shifu Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Device for Transmitting an Optical Digital WDM Signal Ov...
Publication number
20140140699
Publication date
May 22, 2014
Michael Eiselt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION DEVICE AND TRANSMISSION METHOD
Publication number
20140126903
Publication date
May 8, 2014
Fujitsu Limited
Tomohiro KANEOKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TERMINATING APPARATUS FOR OPTICAL PATH NETWORK
Publication number
20140029942
Publication date
Jan 30, 2014
NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
Ken-ichi Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and Apparatus for Constructing Large Wavelength Selective S...
Publication number
20130223794
Publication date
Aug 29, 2013
Tellabs Operations, Inc.
Mark E. Boduch
G02 - OPTICS
Information
Patent Application
WAVELENGTH PATH MULTIPLEXING/DEMULTIPLEXING APPARATUS AND WAVELENGT...
Publication number
20130188950
Publication date
Jul 25, 2013
NEC Corporation
Masahiro Sakauchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and Method for Improved Distributed Compensation of Filte...
Publication number
20130142510
Publication date
Jun 6, 2013
AT&T INTELLECTUAL PROPERTY I, L.P.
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Controllable Optical Add/Drop Multiplexer
Publication number
20130142517
Publication date
Jun 6, 2013
FEDERALNOE GOSUDARSTVENNOE UCHREZHDENIE 'FEDERALNOE AGENTSTVO PO PRAVOVOI ZAS...
Vyacheslav Konstantinovich Sakharov
G02 - OPTICS
Information
Patent Application
SPECTRALLY EFFICIENT MODULATION FOR AN OPTICAL-TRANSPORT SYSTEM
Publication number
20130077973
Publication date
Mar 28, 2013
Alcatel-Lucent USA Inc.
Chongjin Xie
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND A NETWORK NODE FOR IMPROVING BANDWIDTH EFFICIENCY IN AN...
Publication number
20130045006
Publication date
Feb 21, 2013
ECI TELECOM LTD.
David Jimmy DAHAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR OPTIMIZING THE CAPACITY OF OPTICAL COMMUNICATION NETWORKS
Publication number
20130022355
Publication date
Jan 24, 2013
Gabriel Charlet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Colorless Add
Publication number
20120308179
Publication date
Dec 6, 2012
FutureWei Technologies, Inc.
Zhiping Jiang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MxN WAVELENGTH SELECTIVE SWITCH
Publication number
20120257853
Publication date
Oct 11, 2012
JDS Uniphase Corporation
Paul Colbourne
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR TRAFFICKING WAVELENGTHS OF DIFFERENT SPACI...
Publication number
20120183292
Publication date
Jul 19, 2012
Tellabs Operations, Inc.
Mark E. Boduch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Colorless Dense Wavelength Division Multiplexing Transmitters
Publication number
20120141128
Publication date
Jun 7, 2012
FutureWei Technologies, Inc.
Yu Sheng Bai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NETWORK INTERCONNECT DEVICE
Publication number
20120082454
Publication date
Apr 5, 2012
Fujitsu Limited
Hiroki Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEXED OPTICAL COMMUNICATION SYSTEM ARCHIT...
Publication number
20120082460
Publication date
Apr 5, 2012
Infinera Corporation
Kuang-Tsan Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL ROUTER
Publication number
20110305456
Publication date
Dec 15, 2011
Ahmed Sharkawy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ROADM SYSTEMS AND METHODS OF OPERATION
Publication number
20110262143
Publication date
Oct 27, 2011
NEC Laboratories America, Inc.
PHILIP N. JI
H04 - ELECTRIC COMMUNICATION TECHNIQUE