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MULTIPLEX COMMUNICATION
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Optical multiplex systems
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For interconnection of WDM optical networks
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Patents Grants
last 30 patents
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Patent Grant
Optical transmission device, optical transmission system, and optic...
Patent number
11,968,033
Issue date
Apr 23, 2024
Fujitsu Limited
Tomohiro Yamauchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Metastructured photonic devices for binary tree multiplexing or dem...
Patent number
11,968,034
Issue date
Apr 23, 2024
X Development LLC
Sunil Pai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power optimization of point-to-point optical systems without visibi...
Patent number
11,967,986
Issue date
Apr 23, 2024
Ciena Corporation
Alex W. MacKay
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transceiver
Patent number
11,967,994
Issue date
Apr 23, 2024
Amazon Technologies, Inc.
Poorya Saghari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Spectrum monitoring apparatus, submarine apparatus, and optical com...
Patent number
11,936,422
Issue date
Mar 19, 2024
NEC Corporation
Motoyoshi Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical modules having an improved optical signal to noise ratio
Patent number
11,929,826
Issue date
Mar 12, 2024
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods, devices, and systems for timing and bandwidth management o...
Patent number
11,901,940
Issue date
Feb 13, 2024
Lumeova, Inc.
William Joseph Croughwell
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
Patent number
11,901,950
Issue date
Feb 13, 2024
Infinera Corporation
Steven Joseph Hand
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing device and transmission device
Patent number
11,902,014
Issue date
Feb 13, 2024
Fujitsu Limited
Hidetoshi Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distribution matching for probabilistic constellation shaping with...
Patent number
11,902,079
Issue date
Feb 13, 2024
Infinera Corporation
Mehdi Torbatian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-band optical network interface
Patent number
11,894,916
Issue date
Feb 6, 2024
ECI Telecom Ltd.
Eyal Lichtman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated 3-way branching unit switch module having small footprint
Patent number
11,888,583
Issue date
Jan 30, 2024
NEC Corporation
Fatih Yaman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fiber optic terminals and fiber optic networks having variable rati...
Patent number
11,886,010
Issue date
Jan 30, 2024
Corning Research & Development Corporation
Douglas Llewellyn Butler
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
Bi-directional transceiver with time synchronization
Patent number
11,882,204
Issue date
Jan 23, 2024
II-VI DELAWARE, INC.
Puhui Miao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Optical line terminal with out-of-band communication channel, and m...
Patent number
11,876,556
Issue date
Jan 16, 2024
Cable Television Laboratories, Inc.
Junwen Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and methods for distribution of heterogeneous wavelength mul...
Patent number
11,876,560
Issue date
Jan 16, 2024
Cable Television Laboratories, Inc.
Luis Alberto Campos
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical channel plan process
Patent number
11,870,499
Issue date
Jan 9, 2024
Cisco Technology, Inc.
Claudio Crognale
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
Patent number
11,870,496
Issue date
Jan 9, 2024
Infinera Corporation
Steven Joseph Hand
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fiber-optic communication apparatus, fiber-optic communication syst...
Patent number
11,870,553
Issue date
Jan 9, 2024
Fujitsu Limited
Makoto Hasegawa
G02 - OPTICS
Information
Patent Grant
Semiconductor based system and method for broad bandwidth transmission
Patent number
11,863,296
Issue date
Jan 2, 2024
SubCom, LLC
Dmitri G. Foursa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and optical communication method
Patent number
11,863,211
Issue date
Jan 2, 2024
Nippon Telegraph and Telephone Corporation
Ryo Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Intelligent subsystem
Patent number
11,849,265
Issue date
Dec 19, 2023
Mohammad A. Mazed
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
End-to-end performance aware traffic engineering for internet peering
Patent number
11,843,533
Issue date
Dec 12, 2023
Microsoft Technology Licensing, LLC
Rohan Gandhi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Intelligent subsystem in a access networks
Patent number
11,843,903
Issue date
Dec 12, 2023
Mohammad A. Mazed
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Intelligent subsystem
Patent number
11,838,702
Issue date
Dec 5, 2023
Mohammad A. Mazed
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Out-of-band communication channel for subcarrier-based optical comm...
Patent number
11,838,052
Issue date
Dec 5, 2023
Infinera Corporation
Steven J. Hand
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength conversion device and transmission system
Patent number
11,838,103
Issue date
Dec 5, 2023
Fujitsu Limited
Tomoaki Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated multi-channel photonics transmitter chip having variable...
Patent number
11,831,353
Issue date
Nov 28, 2023
Tongqing Wang
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
DETERMINISTIC DYNAMIC NETWORK TRAFFIC SHAPING
Publication number
20240146439
Publication date
May 2, 2024
SK3W TECHNOLOGIES INC.
Jamie Aaron Brown
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EQUALIZATION APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND EQUALIZATI...
Publication number
20240146437
Publication date
May 2, 2024
NEC Corporation
Mingqi WU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECONFIGURABLE PASSIVE TERMINAL THAT MANAGES ACCESS TO AN OPTICAL...
Publication number
20240146438
Publication date
May 2, 2024
AT&T INTELLECTUAL PROPERTY I, L.P.
Ricky Perry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR OPTIMIZING OPTICAL POWER MANAGEMENT OVER AN O...
Publication number
20240129055
Publication date
Apr 18, 2024
Huawei Technologies Co., Ltd
Yuren YOU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, WAVELENGTH CONVERTER, AND OPTICAL TRAN...
Publication number
20240121022
Publication date
Apr 11, 2024
Fujitsu Limited
Hiroyuki IRIE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MULTIPLEXER SUPPORTING MULTIPLE CHANNEL SIZES
Publication number
20240113800
Publication date
Apr 4, 2024
Nokia Solutions and Networks Oy
Randy Eisenach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR COUPLING OPTICAL NETWORKS
Publication number
20240106559
Publication date
Mar 28, 2024
IP Infusion, Inc.
Chao Xiang Shi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH CONVERSION DEVICE AND OPTICAL TRANSMISSION SYSTEM
Publication number
20240106560
Publication date
Mar 28, 2024
Fujitsu Limited
Hidenobu MURANAKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METASTRUCTURED PHOTONIC DEVICES FOR BINARY TREE MULTIPLEXING OR DEM...
Publication number
20240063934
Publication date
Feb 22, 2024
X Development LLC
Sunil Pai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Signal Amplification Apparatus and Method
Publication number
20240056210
Publication date
Feb 15, 2024
Huawei Technologies Co., Ltd
Qiang Guo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METASTRUCTURED PHOTONIC DEVICES FOR MULTIPLEXING OR DEMULTIPLEXING...
Publication number
20240056211
Publication date
Feb 15, 2024
X Development LLC
Sunil Pai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL COMMUNICATION SYSTEM
Publication number
20240056212
Publication date
Feb 15, 2024
NEC Corporation
Kazuhiro OOTAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Transmitter
Publication number
20240031034
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Shigeru Kanazawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SEMICONDUCTOR BASED SYSTEM AND METHOD FOR BROAD BANDWIDTH TRANSMISSION
Publication number
20240031051
Publication date
Jan 25, 2024
SubCom, LLC
Dmitri G. Foursa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEXING RECEIVER
Publication number
20240019722
Publication date
Jan 18, 2024
Nokia Solutions and Networks Oy
Joan Manel RAMIREZ
C30 - CRYSTAL GROWTH
Information
Patent Application
PASSIVE AGGREGATION-LAYER NETWORK DEVICE, NETWORK SYSTEM, AND WORKI...
Publication number
20240022345
Publication date
Jan 18, 2024
Ruijie Networks Co., Ltd.
Haiyang XIE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
REMOTE CHARACTERIZATION OF OPTICAL COMPONENTS IN MULTI-SPAN OPTICAL...
Publication number
20240014918
Publication date
Jan 11, 2024
Danmarks Tekniske Universitet
Metodi Plamenov Yankov
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH-TUNABLE PLUGGABLE OPTICAL MODULE, OPTICAL COMMUNICATION...
Publication number
20240007216
Publication date
Jan 4, 2024
NEC Corporation
Rintaro Nomura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURED FIBER LINK SYSTEM
Publication number
20240004139
Publication date
Jan 4, 2024
APRIORI NETWORK SYSTEMS, LLC
Gary M. WEINER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL AMPLIFIER, OPTICAL AMPLIFIER CONTROLLING METHOD, AND OPTICA...
Publication number
20230412297
Publication date
Dec 21, 2023
NEC Corporation
Keiichi MATSUMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Automatic optical link calibration of amplified optical links
Publication number
20230412296
Publication date
Dec 21, 2023
CIENA CORPORATION
Choudhury A. Al Sayeed
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH CONFIGURATION APPARATUS AND SYSTEM, AND WAVELENGTH CONFI...
Publication number
20230412298
Publication date
Dec 21, 2023
Huawei Technologies Co., Ltd
Binghua Cui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH-TUNED SLED USED AS OPTICAL SOURCE FOR ULTRA-WIDEBAND WAV...
Publication number
20230388039
Publication date
Nov 30, 2023
II-VI Delaware, Inc.
Michael John Laurence CAHILL
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
Publication number
20230388040
Publication date
Nov 30, 2023
Fujitsu Limited
XIANG ZHANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL MONITOR, OPTICAL WAVELENGTH MULTIPLEXING TRANSMITTER...
Publication number
20230379053
Publication date
Nov 23, 2023
NEC Corporation
Yoshirou SATOU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION METHOD AND DEVICE
Publication number
20230379072
Publication date
Nov 23, 2023
Huawei Technologies Co., Ltd
Jianlin XUE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HIGH-CAPACITY CHANNEL FOR HIGHER SPEED PASSIVE OPTICAL NETWORKS
Publication number
20230361904
Publication date
Nov 9, 2023
MaxLinear, Inc.
Rainer Strobel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TUNABLE DENSE WAVELENGTH DIVISION MULTIPLEXING (DWDM) OPTICAL TIME-...
Publication number
20230361869
Publication date
Nov 9, 2023
VIAVI SOLUTIONS INC.
Jean PONCHON
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IC-TROSA POINT-TO-MULTIPOINT OPTICAL NETWORK SYSTEM
Publication number
20230353914
Publication date
Nov 2, 2023
Dell Products L.P.
David Piehler
H04 - ELECTRIC COMMUNICATION TECHNIQUE