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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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H04J14/06
Polarisation multiplex systems
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Patents Grants
last 30 patents
Information
Patent Grant
Wavelength domain multiplexing with polarization multiplexing
Patent number
11,968,035
Issue date
Apr 23, 2024
Acacia Communications, Inc.
Long Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus, optical reception apparatus, optica...
Patent number
11,936,431
Issue date
Mar 19, 2024
NEC Corporation
Yoshiaki Aono
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
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
Systems and methods for carrier phase recovery
Patent number
11,863,297
Issue date
Jan 2, 2024
Cable Television Laboratories, Inc.
Junwen Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network communications systems and methods
Patent number
11,855,696
Issue date
Dec 26, 2023
Cable Television Laboratories, Inc.
Luis Alberto Campos
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bidirectional optical communications
Patent number
11,838,105
Issue date
Dec 5, 2023
Infinera Corporation
Magnus Olson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization-multiplexed self-homodyne analog coherent (PM-SH-ACD)...
Patent number
11,811,499
Issue date
Nov 7, 2023
Lucidean, Inc.
Aaron Maharry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength converter, optical transmission system and wavelength co...
Patent number
11,789,204
Issue date
Oct 17, 2023
Fujitsu Limited
Tomoyuki Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization change tracking apparatus, processing apparatus for re...
Patent number
11,777,613
Issue date
Oct 3, 2023
Fujitsu Limited
Jingnan Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization scrambler using a retardance element
Patent number
11,754,862
Issue date
Sep 12, 2023
Viavi Solutions Inc.
Joshua Philipson
G02 - OPTICS
Information
Patent Grant
Systems, devices, and methods for dual polarization recovery
Patent number
11,757,558
Issue date
Sep 12, 2023
Mellanox Technologies, Ltd.
Segev Zarkovsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network device and method for monitoring transmission line
Patent number
11,742,978
Issue date
Aug 29, 2023
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization division multiplexed (PDM) communication systems and d...
Patent number
11,742,977
Issue date
Aug 29, 2023
Washington University
Roger Chamberlain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Individually routable subcarriers
Patent number
11,736,204
Issue date
Aug 22, 2023
Infinera Corporation
Kuang-Tsan Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Asymmetric bidirectional optical wireless communication system base...
Patent number
11,736,205
Issue date
Aug 22, 2023
NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLO
Hsi-Hsir Chou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Individually routable subcarriers
Patent number
11,728,899
Issue date
Aug 15, 2023
Infinera Corporation
Kuang-Tsan Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical circuit element, optical communication apparatus, and metho...
Patent number
11,726,259
Issue date
Aug 15, 2023
Fujitsu Optical Components Limited
Takeshi Baba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength demultiplexer, optical transceiver front-end module, pho...
Patent number
11,709,317
Issue date
Jul 25, 2023
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optical transceiver
Patent number
11,700,062
Issue date
Jul 11, 2023
Lightel Technologies, Inc.
Shyh-Chung Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization-folding coherent optical technology for short reach op...
Patent number
11,689,292
Issue date
Jun 27, 2023
Google LLC
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiver
Patent number
11,689,294
Issue date
Jun 27, 2023
Nippon Telegraph and Telephone Corporation
Toshiya Matsuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical reception apparatus and monitor signal generating method
Patent number
11,689,309
Issue date
Jun 27, 2023
NEC Corporation
Yusuke Yamauchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication systems and methods
Patent number
11,689,290
Issue date
Jun 27, 2023
Cable Television Laboratories, Inc.
Zhensheng Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network communications systems and methods
Patent number
11,683,097
Issue date
Jun 20, 2023
Cable Television Laboratories, Inc.
Luis Alberto Campos
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for carrier phase recovery
Patent number
11,646,813
Issue date
May 9, 2023
Cable Television Laboratories, Inc.
Zhensheng Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System, apparatus, and architecture for migrating an optical commun...
Patent number
11,641,248
Issue date
May 2, 2023
Google LLC
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus, optical reception apparatus, optica...
Patent number
11,637,633
Issue date
Apr 25, 2023
NEC Corporation
Yoshiaki Aono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fiber communication systems and methods
Patent number
11,632,178
Issue date
Apr 18, 2023
Cable Television Laboratories, Inc.
Zhensheng Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coherent optical receiver device and coherent optical receiving method
Patent number
11,632,180
Issue date
Apr 18, 2023
NEC Corporation
Kouichi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND TRANSMISSION MODE SELECTING METHOD
Publication number
20240137128
Publication date
Apr 25, 2024
Nippon Telegraph and Telephone Corporation
Tetsuro Inui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR PERFORMING SPREAD SPECTRUM OPTICAL SPECTRO...
Publication number
20240129054
Publication date
Apr 18, 2024
CIENA CORPORATION
Brandon Taylor Buscaino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTI-CARRIER TRANSMITTER WITH INTEGRATED MULTIPLEXER AND RECEIVER...
Publication number
20240080124
Publication date
Mar 7, 2024
Lumentum Operations LLC
Joe Qingzhe WEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION-MULTIPLEXED SELF-HOMODYNE ANALOG COHERENT (PM-SH-ACD)...
Publication number
20240056214
Publication date
Feb 15, 2024
Lucidean, Inc.
Aaron Maharry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION-DIVERSITY OPTICAL POWER SUPPLY
Publication number
20240056213
Publication date
Feb 15, 2024
Nubis Communications, Inc.
Peter Johannes Winzer
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
POLARIZATION SCRAMBLER USING A RETARDANCE ELEMENT
Publication number
20240019721
Publication date
Jan 18, 2024
VIAVI SOLUTIONS INC.
Joshua PHILIPSON
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ADAPTIVE EQUALIZER, STEP SIZE DERIVATION METHOD AND PROGRAM
Publication number
20240007195
Publication date
Jan 4, 2024
Nippon Telegraph and Telephone Corporation
Kengo HORIKOSHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, RECEIVER, DISTORTION DETECTION DEVICE, AND ME...
Publication number
20240007193
Publication date
Jan 4, 2024
NEC Corporation
Manabu Arikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MULTI-WAVELENGTH DUAL-POLARIZATION TRANSCEIVERS
Publication number
20230396351
Publication date
Dec 7, 2023
Aloe Semiconductor, Inc.
Christopher R. Doerr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTEGRATED MULTI-CHANNEL PHOTONICS TRANSMITTER CHIP HAVING DUAL-CHA...
Publication number
20230388023
Publication date
Nov 30, 2023
Alpine Optoelectronics, Inc.
Tongqing Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEMS AND METHODS
Publication number
20230361879
Publication date
Nov 9, 2023
Junwen Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM, APPARATUS, AND METHOD FOR ONLINE DISTRIBUTED POLARIZATION-D...
Publication number
20230361871
Publication date
Nov 9, 2023
Huawei Technologies Co., Ltd
Zhiping JIANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK COMMUNICATIONS SYSTEMS AND METHODS
Publication number
20230353248
Publication date
Nov 2, 2023
Cable Television Laboratories, Inc.
Luis Alberto Campos
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION-MULTIPLEXED SELF-HOMODYNE ANALOG COHERENT (PM-SH-ACD)...
Publication number
20230344546
Publication date
Oct 26, 2023
Lucidean, Inc.
Aaron Maharry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK AND METHOD FOR OPTICAL COMMUNICATION WITH POLARISED LIGHT S...
Publication number
20230344524
Publication date
Oct 26, 2023
BAE Systems plc
Mark Edgar Bray
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DUMMY LIGHT SIGNAL GENERATION APPARATUS AND METHOD, AND RECONFIGURA...
Publication number
20230344541
Publication date
Oct 26, 2023
Huawei Technologies Co., Ltd
Fei CHEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MODULATOR, PHASE SHIFTER, AND OPTICAL COMMUNICATION APPARATUS
Publication number
20230333439
Publication date
Oct 19, 2023
FUJITSU OPTICAL COMPONENTS LIMITED
Masaki Sugiyama
G02 - OPTICS
Information
Patent Application
OPTICAL COMMUNICATION SYSTEMS AND METHODS
Publication number
20230336247
Publication date
Oct 19, 2023
CABLE TELEVISION LABORATORIES, INC.
Zhensheng Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEPTION APPARATUS AND MONITOR SIGNAL GENERATING METHOD
Publication number
20230283395
Publication date
Sep 7, 2023
NEC Corporation
Yusuke YAMAUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION APPARATUS, OPTICAL RECEPTION APPARATUS, OPTICA...
Publication number
20230275669
Publication date
Aug 31, 2023
NEC Corporation
Yoshiaki Aono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL RECEIVING APPARATUS AND METHOD
Publication number
20230261758
Publication date
Aug 17, 2023
Huawei Technologies Co., Ltd
Weiwei Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FIBER COMMUNICATION SYSTEMS AND METHODS
Publication number
20230246716
Publication date
Aug 3, 2023
Cable Television Laboratories, Inc.
Zhensheng Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength-Division-Multiplexing Optical Circuit Implemented in Pho...
Publication number
20230246725
Publication date
Aug 3, 2023
II-VI Delaware, Inc.
Po Dong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD
Publication number
20230216594
Publication date
Jul 6, 2023
NEC Corporation
Kouichi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Polarization Reconfiguration Method and Communication Apparatus
Publication number
20230216602
Publication date
Jul 6, 2023
Huawei Technologies Co., Ltd
Bin Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical Transceiver
Publication number
20230188215
Publication date
Jun 15, 2023
Lightel Technologies, Inc.
Shyh-Chung Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION-FLUCTUATION ESTIMATING DEVICE AND POLARIZATION-FLUCTUA...
Publication number
20230119766
Publication date
Apr 20, 2023
NEC Corporation
Masaki SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION SCRAMBLER USING A RETARDANCE ELEMENT
Publication number
20230105391
Publication date
Apr 6, 2023
VIAVI SOLUTIONS INC.
Joshua PHILIPSON
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Polarization Multiplexing and Encoding in...
Publication number
20230095744
Publication date
Mar 30, 2023
Korea Advanced Institute of Science and Technology
Junil Choi
H04 - ELECTRIC COMMUNICATION TECHNIQUE