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ELECTRICITY
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Electric communication
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MULTIPLEX COMMUNICATION
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Optical multiplex systems
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Add-and-drop multiplexing
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Patents Grants
last 30 patents
Information
Patent Grant
Clock recovery for digital subcarriers for optical networks
Patent number
11,881,898
Issue date
Jan 23, 2024
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic optical switching in a telecommunications network
Patent number
11,863,918
Issue date
Jan 2, 2024
Level 3 Communications, LLC
Laurel Clark
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic optical switching in a telecommunications network
Patent number
11,792,556
Issue date
Oct 17, 2023
Level 3 Communications, LLC
Laurel Clark
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical branch insertion device and optical transmission system usi...
Patent number
11,742,976
Issue date
Aug 29, 2023
Nippon Telegraph and Telephone Corporation
Masahiro Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network management device, optical network system, optical...
Patent number
11,671,196
Issue date
Jun 6, 2023
NEC Corporation
Shigeyuki Yanagimachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for transmitting a signal in optical transport...
Patent number
11,658,759
Issue date
May 23, 2023
Huawei Technologies Co., Ltd.
Shimin Zou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexing module
Patent number
11,658,763
Issue date
May 23, 2023
CommScope Technologies LLC
Kristofer Bolster
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical mitigation of inter-channel crosstalk for WDM channels
Patent number
11,652,556
Issue date
May 16, 2023
University of Southern California
Fatemeh Alishahi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic optical switching in a telecommunications network
Patent number
11,509,979
Issue date
Nov 22, 2022
Level 3 Communications, LLC
Laurel Clark
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Virtualized sections for sectional control of optical links
Patent number
11,444,719
Issue date
Sep 13, 2022
Ciena Corporation
Choudhury A. Al Sayeed
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and systems for monitoring optical networks
Patent number
11,405,100
Issue date
Aug 2, 2022
Comcast Cable Communications, LLC
Venk Mutalik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Clock recovery for digital subcarriers for optical networks
Patent number
11,343,000
Issue date
May 24, 2022
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifier, optical transmission system, and optical cable f...
Patent number
11,329,445
Issue date
May 10, 2022
Nippon Telegraph and Telephone Corporation
Takashi Kotanigawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical transceiver and method of automatically setting wavelength...
Patent number
11,316,589
Issue date
Apr 26, 2022
SOLID, INC.
Bum Soo Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication devices based on concentric space-division mu...
Patent number
11,316,587
Issue date
Apr 26, 2022
CommScope Technologies LLC
John Charles Chamberlain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission device and optical transmission method
Patent number
11,309,968
Issue date
Apr 19, 2022
Fujitsu Limited
Anh Ha Ngo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Independently routable digital subcarriers for optical communicatio...
Patent number
11,251,878
Issue date
Feb 15, 2022
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for optical power controls in optical networks
Patent number
11,196,505
Issue date
Dec 7, 2021
Infinera Corporation
Omer F. Yilmaz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical switching apparatus and methods
Patent number
11,172,275
Issue date
Nov 9, 2021
Telefonaktiebolaget LM Ericsson (publ)
Francesco Testa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transceiver and method of controlling optical powers of opt...
Patent number
11,108,488
Issue date
Aug 31, 2021
Telefonaktiebolaget LM Ericsson (publ)
Wei-Ping Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Add/drop filter and optical add/drop multiplexer
Patent number
11,095,386
Issue date
Aug 17, 2021
Huawei Technologies Co., Ltd.
Andrea Melloni
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network architecture for independently routable digital subcarriers...
Patent number
11,095,373
Issue date
Aug 17, 2021
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic optical switching in a telecommunications network
Patent number
11,070,896
Issue date
Jul 20, 2021
Level 3 Communications, LLC
Laurel Clark
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Virtualized sections for sectional control of optical links
Patent number
11,057,146
Issue date
Jul 6, 2021
Ciena Corporation
Choudhury A. Al Sayeed
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Independently routable digital subcarriers with configurable spacin...
Patent number
10,992,389
Issue date
Apr 27, 2021
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subchannel photonic routing, switching and protection with simplifi...
Patent number
10,972,209
Issue date
Apr 6, 2021
Snell Holdings, LLC
Chris Wilhelm Barnard
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Streaming telemetry for optical network devices
Patent number
10,966,005
Issue date
Mar 30, 2021
Infinera Corporation
Abhinava Sadasivarao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reconfigurable optical add/drop multiplexer
Patent number
10,924,200
Issue date
Feb 16, 2021
Huawei Technologies Co., Ltd.
Ruiqiang Ji
G02 - OPTICS
Information
Patent Grant
Node for an optical network
Patent number
10,893,343
Issue date
Jan 12, 2021
Airbus Operations Limited
Kayvon Barad
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase shifter for an optical phase-sensitive amplifier
Patent number
10,847,945
Issue date
Nov 24, 2020
Fujitsu Limited
Youichi Akasaka
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
MONITIOR WINDOW IN ASE INJECTION SEED
Publication number
20240137142
Publication date
Apr 25, 2024
II-VI Delaware, Inc.
Shaohua CAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH MULTIPLEXING OPTICAL TRANSMISSION SYSTEM AND WAVELENGTH...
Publication number
20240113797
Publication date
Apr 4, 2024
Lumentum Japan, Inc.
Nobuhiko KIKUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network Node for a Coherent Optical WDM Transmission Network
Publication number
20240097793
Publication date
Mar 21, 2024
Adtran Networks SE
Henning Hinderthür
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reduction of four-wave mixing crosstalk in optical links
Publication number
20240089004
Publication date
Mar 14, 2024
Marvell Asia Pte Ltd.
Gary Mak
G02 - OPTICS
Information
Patent Application
DYNAMIC OPTICAL SWITCHING IN A TELECOMMUNICATIONS NETWORK
Publication number
20240040287
Publication date
Feb 1, 2024
LEVEL 3 COMMUNICATIONS, LLC
Laurel Clark
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Add-Drop Network Element
Publication number
20230344540
Publication date
Oct 26, 2023
Telefonaktiebolaget LM Ericsson (publ)
Alfredo Palagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION DEVICE, COMMUNICATION METHOD, COMMUNICATION SYSTEM AN...
Publication number
20230318730
Publication date
Oct 5, 2023
Nippon Telegraph and Telephone Corporation
Takamitsu TOCHINO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL PROCESSING APPARATUS AND METHOD
Publication number
20230239067
Publication date
Jul 27, 2023
Huawei Technologies Co., Ltd
Guangcan MI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND SYSTEMS FOR MONITORING OPTICAL NETWORKS
Publication number
20230224032
Publication date
Jul 13, 2023
Comcast Cable Communications, LLC
Venk Mutalik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTEGRATED CONNECTOR-WAVELENGTH DIVISION MULTIPLEXING DEVICE AND FI...
Publication number
20230108598
Publication date
Apr 6, 2023
Corning Research & Development Corporation
Scott William Ramsdell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DYNAMIC OPTICAL SWITCHING IN A TELECOMMUNICATIONS NETWORK
Publication number
20230084405
Publication date
Mar 16, 2023
LEVEL 3 COMMUNICATIONS, LLC
Laurel Clark
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Subchannel Photonic Routing, Switching and Protection with Simplifi...
Publication number
20220353005
Publication date
Nov 3, 2022
Snell Holdings, LLC
Chris Wilhelm Barnard
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NETWORK MANAGEMENT DEVICE, OPTICAL NETWORK SYSTEM, OPTICAL...
Publication number
20220303039
Publication date
Sep 22, 2022
NEC Corporation
Shigeyuki Yanagimachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL BRANCH INSERTION DEVICE AND OPTICAL TRANSMISSION SYSTEM USI...
Publication number
20220149968
Publication date
May 12, 2022
Nippon Telegraph and Telephone Corporation
Masahiro NAKAGAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DYNAMIC OPTICAL SWITCHING IN A TELECOMMUNICATIONS NETWORK
Publication number
20210345023
Publication date
Nov 4, 2021
LEVEL 3 COMMUNICATIONS, LLC
Laurel Clark
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Virtualized sections for sectional control of optical links
Publication number
20210328704
Publication date
Oct 21, 2021
CIENA CORPORATION
Choudhury A. AL SAYEED
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SUBCHANNEL PHOTONIC ROUTING, SWITCHING AND PROTECTION WITH SIMPLIFI...
Publication number
20210281353
Publication date
Sep 9, 2021
Snell Holdings, LLC
Chris Wilhelm Barnard
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL AMPLIFIER, OPTICAL TRANSMISSION SYSTEM, AND OPTICAL CABLE F...
Publication number
20210257803
Publication date
Aug 19, 2021
Nippon Telegraph and Telephone Corporation
Takashi Kotanigawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL TRANSCEIVER AND METHOD OF AUTOMATICALLY SETTING WAVELENGTH...
Publication number
20210184773
Publication date
Jun 17, 2021
SOLiD, INC.
Bum Soo Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Clock Recovery for Digital Subcarriers for Optical Networks
Publication number
20210119709
Publication date
Apr 22, 2021
Infinera Corp.
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MITIGATION OF INTER-CHANNEL CROSSTALK FOR WDM CHANNELS
Publication number
20200403712
Publication date
Dec 24, 2020
University of Southern California
Fatemeh Alishahi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK ARCHITECTURE FOR INDEPENDENTLY ROUTABLE DIGITAL SUBCARRIERS...
Publication number
20200366376
Publication date
Nov 19, 2020
Infinera Corp.
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ADD/DROP FILTER AND OPTICAL ADD/DROP MULTIPLEXER
Publication number
20200274631
Publication date
Aug 27, 2020
Huawei Technologies Co., Ltd
Andrea MELLONI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND SYSTEMS FOR MONITORING OPTICAL NETWORKS
Publication number
20200244353
Publication date
Jul 30, 2020
Comcast Cable Communications, LLC
Venk Mutalik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSCEIVER AND METHOD OF CONTROLLING OPTICAL POWERS OF OPT...
Publication number
20200204284
Publication date
Jun 25, 2020
Telefonaktiebolaget LM Ericsson (publ)
Wei-Ping HUANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Switching Apparatus and Methods
Publication number
20200169794
Publication date
May 28, 2020
Telefonaktiebolaget LM Ericsson (publ)
Francesco Testa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR OPTICAL POWER CONTROLS IN OPTICAL NETWORKS
Publication number
20200153533
Publication date
May 14, 2020
Infinera Corporation
Omer F. Yilmaz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEXING MODULE
Publication number
20200145121
Publication date
May 7, 2020
CommScope Technologies LLC
Kristofer Bolster
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Virtualized sections for sectional control of optical links
Publication number
20200059315
Publication date
Feb 20, 2020
CIENA CORPORATION
Choudhury A. AL SAYEED
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Polarization Independent Optical Device
Publication number
20190296850
Publication date
Sep 26, 2019
Huawei Technologies Co., Ltd
Ruiqiang JI
H04 - ELECTRIC COMMUNICATION TECHNIQUE