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ELECTRICITY
H04
Electric communication
H04J
MULTIPLEX COMMUNICATION
H04J14/00
Optical multiplex systems
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H04J14/0206
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Patents Grants
last 30 patents
Information
Patent Grant
Efficient spectrum allocation in a multi-node optical network
Patent number
12,009,910
Issue date
Jun 11, 2024
Microsoft Technology Licensing, LLC
Yawei Yin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength multiplexing communication system and wavelength multipl...
Patent number
11,888,581
Issue date
Jan 30, 2024
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Efficient spectrum allocation in a multi-node optical network
Patent number
11,611,405
Issue date
Mar 21, 2023
Microsoft Technology Licensing, LLC
Yawei Yin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
In-phase to quadrature-phase imbalance in an optical data modulator
Patent number
11,588,559
Issue date
Feb 21, 2023
Nokia Solutions and Networks Oy
Xi Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Extending the optical spectrum of an optical network
Patent number
11,553,259
Issue date
Jan 10, 2023
Ciena Corporation
Michael Y. Frankel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamically switching queueing schemes for network switches
Patent number
11,483,257
Issue date
Oct 25, 2022
Infinera Corporation
Steven J. Hand
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Dynamically switching queueing schemes for network switches
Patent number
11,470,019
Issue date
Oct 11, 2022
Infinera Corporation
Steven J. Hand
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Flexible grid optical spectrum transmitter, receiver, and transceiver
Patent number
11,424,848
Issue date
Aug 23, 2022
Ciena Corporation
David W. Boertjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flexible grid optical spectrum transmitter, receiver, and transceiver
Patent number
11,343,011
Issue date
May 24, 2022
Ciena Corporation
David W. Boertjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Submarine branching apparatus, optical submarine cable system, and...
Patent number
11,336,386
Issue date
May 17, 2022
NEC Corporation
Kazusa Ugajin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamically switching queueing schemes for network switches
Patent number
11,297,005
Issue date
Apr 5, 2022
Infiriera Corporation
Steven J. Hand
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Dynamically switching queueing schemes for network switches
Patent number
11,290,393
Issue date
Mar 29, 2022
Infinera Corporation
Steven J. Hand
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Flexible grid optical spectrum transmitter, receiver, and transceiver
Patent number
10,887,041
Issue date
Jan 5, 2021
Ciena Corporation
David W. Boertjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Methods and apparatus for providing configuration discovery using i...
Patent number
10,524,031
Issue date
Dec 31, 2019
Tellabs Operations, Inc.
Richard Y. Younce
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flexible grid optical spectrum transmitter, receiver, and transceiver
Patent number
10,461,880
Issue date
Oct 29, 2019
Ciena Corporation
David W. Boertjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for optical node construction using software p...
Patent number
10,284,932
Issue date
May 7, 2019
Mark E. Boduch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flexible grid optical spectrum transmitter, receiver, and transceiver
Patent number
10,200,145
Issue date
Feb 5, 2019
Ciena Corporation
David W. Boertjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical ring network
Patent number
10,044,462
Issue date
Aug 7, 2018
Alcatel Lucent
Guilhem De Valicourt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Datacentre for processing a service
Patent number
10,038,514
Issue date
Jul 31, 2018
Telefonaktiebolaget LM Ericsson (publ)
Ahmad Rostami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Branching configuration including separate branching unit and prede...
Patent number
10,003,425
Issue date
Jun 19, 2018
Tyco Electronics Subsea Communications LLC
Stuart M. Abbott
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Node device and method for controlling node device
Patent number
9,958,612
Issue date
May 1, 2018
NEC Corporation
Satoshi Mikami
G02 - OPTICS
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
Photonic routing systems and methods computing loop-free topologies
Patent number
9,831,977
Issue date
Nov 28, 2017
Ciena Corporation
David Weldon Boertjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling optical signal power levelling in an optical communicat...
Patent number
9,749,077
Issue date
Aug 29, 2017
Telefonaktiebolaget LM Ericsson (publ)
Matteo Costantini
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for auto-configuration of a wavelength selective switch in a...
Patent number
9,706,273
Issue date
Jul 11, 2017
Lumentum Operations LLC
Thomas Haslam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for a reconfigurable optical add/drop module w...
Patent number
9,692,544
Issue date
Jun 27, 2017
Verizon Patent and Licensing Inc.
Glenn A Wellbrock
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Symmetric optical multiplexing node
Patent number
9,641,275
Issue date
May 2, 2017
Tyco Electronics Subsea Communications LLC
Massimo Manna
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flexible optical spectrum management systems and methods
Patent number
9,634,791
Issue date
Apr 25, 2017
Ciena Corporation
David Boertjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
ORCHESTRATION CONTROL PROTOCOL
Publication number
20230246726
Publication date
Aug 3, 2023
Infinera Corp.
Ashok Kunjidhapatham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EFFICIENT SPECTRUM ALLOCATION IN A MULTI-NODE OPTICAL NETWORK
Publication number
20230198653
Publication date
Jun 22, 2023
Microsoft Technology Licensing, LLC
Yawei YIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH MULTIPLEXING COMMUNICATION SYSTEM AND WAVELENGTH MULTIPL...
Publication number
20230155712
Publication date
May 18, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IN-PHASE TO QUADRATURE-PHASE IMBALANCE IN AN OPTICAL DATA MODULATOR
Publication number
20220239382
Publication date
Jul 28, 2022
Nokia Solutions and Networks Oy
Xi CHEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Extending the optical spectrum of an optical network
Publication number
20220132228
Publication date
Apr 28, 2022
CIENA CORPORATION
Michael Y. Frankel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EFFICIENT SPECTRUM ALLOCATION IN A MULTI-NODE OPTICAL NETWORK
Publication number
20220052777
Publication date
Feb 17, 2022
Microsoft Technology Licensing, LLC
Yawei YIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Flexible grid optical spectrum transmitter, receiver, and transceiver
Publication number
20210083790
Publication date
Mar 18, 2021
CIENA CORPORATION
David W. BOERTJES
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Flexible grid optical spectrum transmitter, receiver, and transceiver
Publication number
20210083791
Publication date
Mar 18, 2021
CIENA CORPORATION
David W. BOERTJES
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Flexible grid optical spectrum transmitter, receiver, and transceiver
Publication number
20200044767
Publication date
Feb 6, 2020
CIENA CORPORATION
David W. BOERTJES
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
Methods and Apparatus for Providing Configuration Discovery Using I...
Publication number
20180295430
Publication date
Oct 11, 2018
Tellabs Operations, Inc.
Richard Y. Younce
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATACENTRE FOR PROCESSING A SERVICE
Publication number
20170331578
Publication date
Nov 16, 2017
Telefonaktiebolaget LM Ericsson (publ)
Ahmad Rostami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NODE DEVICE AND METHOD FOR CONTROLLING NODE DEVICE
Publication number
20170299814
Publication date
Oct 19, 2017
NEC Corporation
Satoshi MIKAMI
G02 - OPTICS
Information
Patent Application
FLEXIBLE GRID OPTICAL SPECTRUM TRANSMITTER, RECEIVER, AND TRANSCEIVER
Publication number
20170134114
Publication date
May 11, 2017
CIENA CORPORATION
David W. BOERTJES
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FLEXIBLE GRID OPTICAL SPECTRUM TRANSMITTER, RECEIVER, AND TRANSCEIVER
Publication number
20170085335
Publication date
Mar 23, 2017
CIENA CORPORATION
David W. BOERTJES
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH-DIVISION MULTIPLEXER (WDM) AND DE-MULTIPLEXER (WDDM)
Publication number
20150311995
Publication date
Oct 29, 2015
GTRAN Inc.
Ruibo Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIRECTIONLESS OPTICAL ARCHITECTURE AND HIGHLY AVAILABLE NETWORK AND...
Publication number
20140348504
Publication date
Nov 27, 2014
CIENA CORPORATION
Loudon T. BLAIR
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL DROP APPARATUS, OPTICAL ADD APPARATUS, AND OPTICAL ADD/DROP...
Publication number
20140147121
Publication date
May 29, 2014
Fujitsu Limited
Yoshinobu MATSUKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BIDIRECTIONAL WAVELENGTH CROSS CONNECT ARCHITECTURES USING WAVELENG...
Publication number
20140140696
Publication date
May 22, 2014
Altera Corporation
Edward J. Bortolini
G02 - OPTICS
Information
Patent Application
FAULT RECOVERY IN BRANCHED OPTICAL NETWORKS
Publication number
20140099098
Publication date
Apr 10, 2014
Hongsheng Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Minimizing Bandwidth Narrowing Penalities in a Wavelength Selective...
Publication number
20140072301
Publication date
Mar 13, 2014
VELLO SYSTEMS, INC.
Chris Wilhelm Barnard
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTILAYER COMMUNICATIONS NETWORK SYSTEM FOR DISTRIBUTING MULTICAST...
Publication number
20140016923
Publication date
Jan 16, 2014
TELEFONICA, S.A.
Juan Fernández-Palacios
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR PERFORMING AN AUTOMATIC POWER ADJUSTMENT F...
Publication number
20140003809
Publication date
Jan 2, 2014
ADVA Optical Networking SE
David Portier
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PLUGGABLE ROUTE-PLANNING MODULE
Publication number
20130345960
Publication date
Dec 26, 2013
Microsoft Corporation
Meir Ben Itay
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR A RECONFIGURABLE OPTICAL ADD/DROP MODULE W...
Publication number
20130322868
Publication date
Dec 5, 2013
VERIZON PATENT AND LICENSING INC.
Glenn A. Wellbrock
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SOFTWARE DEFINED NETWORKING PHOTONIC ROUTING SYSTEMS AND METHODS
Publication number
20130315580
Publication date
Nov 28, 2013
CIENA CORPORATION
David Weldon Boertjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSPONDER AGGREGATOR-BASED OPTICAL LOOPBACK IN A MD-ROADM
Publication number
20130259474
Publication date
Oct 3, 2013
NEC Laboratories America, Inc.
Philip N. Ji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reachability Matrices Spanning Multiple Domains in an Optical Network
Publication number
20130236176
Publication date
Sep 12, 2013
AT&T INTELLECTUAL PROPERTY I, L.P.
Robert Doverspike
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
PATH COMPUTATION SYSTEMS AND METHODS IN OPTICAL NETWORKS
Publication number
20130202299
Publication date
Aug 8, 2013
CIENA Corporation
Anurag PRAKASH
H04 - ELECTRIC COMMUNICATION TECHNIQUE