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ELECTRICITY
H04
Electric communication
H04B
TRANSMISSION
H04B10/00
Transmission systems employing electromagnetic waves other than radio-waves
Current Industry
H04B10/2507
for the reduction or elimination of distortion or dispersion
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Patents Grants
last 30 patents
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Patent Grant
Broadband wavelength division multiplexing for free space optical c...
Patent number
12,355,551
Issue date
Jul 8, 2025
ATTOCHRON, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for multi-path interference mitigation in an optical commun...
Patent number
12,348,273
Issue date
Jul 1, 2025
MARVELL ASIA PTE. LTD.
Benjamin P. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wavelength multiplexing transmission device and optical wav...
Patent number
12,334,979
Issue date
Jun 17, 2025
Fujitsu Limited
Shigeru Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Free space optical communications using a spectrally-equalizing amp...
Patent number
12,316,374
Issue date
May 27, 2025
ATTOCHRON, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication using double sideband suppressed carrier demo...
Patent number
12,301,294
Issue date
May 13, 2025
The Boeing Company
James D. Franklin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power amplifier system with an internal optical communication link
Patent number
12,255,685
Issue date
Mar 18, 2025
Empower RF Systems, Inc.
Donald M. Wike
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Remote unit, multi-band distributed system and signal processing me...
Patent number
12,255,687
Issue date
Mar 18, 2025
PROSE TECHNOLOGIES (SUZHOU) CO., LTD.
Yaoguang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical device for phase shifting an optical signal
Patent number
12,242,142
Issue date
Mar 4, 2025
Hewlett Packard Enterprise Development LP
Yuan Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Broadband wavelength division multiplexing for free space optical c...
Patent number
12,237,914
Issue date
Feb 25, 2025
ATTOCHRON, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High-speed TIA anti-5G WIFI electromagnetic interference method
Patent number
12,237,867
Issue date
Feb 25, 2025
Yuanyuan Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High frequency assembly
Patent number
12,224,476
Issue date
Feb 11, 2025
Huber+Suhner AG
Ulf Hügel
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coherent receiver with mixed signal processing
Patent number
12,218,707
Issue date
Feb 4, 2025
Google LLC
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Free space optical communications using a spectrally-equalizing amp...
Patent number
12,184,326
Issue date
Dec 31, 2024
ATTOCHRON, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for reducing the impact of transient effects in an optical n...
Patent number
12,155,415
Issue date
Nov 26, 2024
ADVA Optical Networking SE
Lutz Rapp
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization-fluctuation estimating device and polarization-fluctua...
Patent number
12,136,997
Issue date
Nov 5, 2024
NEC Corporation
Masaki Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data processing device and data processing method
Patent number
12,126,359
Issue date
Oct 22, 2024
Saturn Licensing LLC
Ryoji Ikegaya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optimal equalization partitioning
Patent number
12,126,381
Issue date
Oct 22, 2024
MACOM Technology Solutions Holdings, Inc.
Ryan Latchman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for correcting phase noise and/or drift occurring in optical...
Patent number
12,101,116
Issue date
Sep 24, 2024
Rohde & Schwarz GmbH & Co. KG
Julius Seeger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization-maintaining wavelength selective switch for free-space...
Patent number
12,088,407
Issue date
Sep 10, 2024
II-VI DELAWARE, INC.
Ian G. Clarke
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device and method for decoding and equalizing
Patent number
12,081,270
Issue date
Sep 3, 2024
Huawei Technologies Co., Ltd.
Jie Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for transmitting and receiving signals in opti...
Patent number
12,068,777
Issue date
Aug 20, 2024
LG Electronics Inc.
Hojae Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio over fiber system and nonlinear compensation method
Patent number
12,057,883
Issue date
Aug 6, 2024
Huawei Technologies Co., Ltd.
Yibo Lv
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network
Patent number
12,057,885
Issue date
Aug 6, 2024
British Telecommunications public limited company
Marco Menchetti
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of equalizing waveform distortion, terminal device, and opti...
Patent number
12,052,055
Issue date
Jul 30, 2024
NEC Corporation
Shinsuke Fujisawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Free space optical communications using a spectrally-equalizing amp...
Patent number
12,047,118
Issue date
Jul 23, 2024
ATTOCHRON, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data reassembly method and apparatus
Patent number
12,034,654
Issue date
Jul 9, 2024
Huawei Technologies Co., Ltd.
Enqi Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reduced thickness optical isolator and method of use thereof in a l...
Patent number
11,990,936
Issue date
May 21, 2024
II-VI DELAWARE, INC.
Ramesh Sundaram
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Free space optical communications using a spectrally-equalizing amp...
Patent number
11,973,536
Issue date
Apr 30, 2024
ATTOCHRON, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength dispersion compensation apparatus and wavelength dispers...
Patent number
11,929,784
Issue date
Mar 12, 2024
Nippon Telegraph and Telephone Corporation
Shimpei Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station and a method for operating the base station
Patent number
11,909,441
Issue date
Feb 20, 2024
Huawei Technologies Co., Ltd.
Hongqiang Bao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
Publication number
20250211332
Publication date
Jun 26, 2025
Nippon Telegraph and Telephone Corporation
Akira MASUDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
Publication number
20250192888
Publication date
Jun 12, 2025
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Parallelized optical link calibration over an optical section
Publication number
20250192909
Publication date
Jun 12, 2025
CIENA CORPORATION
Yinqing Pei
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Broadband Wavelength Division Multiplexing For Free Space Optical C...
Publication number
20250167909
Publication date
May 22, 2025
Attochron, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR ASE IDLER PASSBAND LOADING CONTROL (APLC)
Publication number
20250112723
Publication date
Apr 3, 2025
Infinera Corp.
Ashok Kunjidhapatham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Free Space Optical Communications using a Spectrally-Equalizing Amp...
Publication number
20250088270
Publication date
Mar 13, 2025
Attochron, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVING APPARATUS, OPTICAL RECEIVING METHOD AND OPTICAL T...
Publication number
20250080223
Publication date
Mar 6, 2025
Nippon Telegraph and Telephone Corporation
Toshiaki SHITABA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CALIBRATION APPARATUS, CALIBRATION METHOD, AND NON-TRANSITORY COMPU...
Publication number
20250070877
Publication date
Feb 27, 2025
NEC Corporation
Ankith VINAYACHANDRAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION METHOD AND PROGRAM
Publication number
20250047382
Publication date
Feb 6, 2025
Nippon Telegraph and Telephone Corporation
Shimpei SHIMIZU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
High-Speed TIA Anti-5G WIFI Electromagnetic Interference Method
Publication number
20250038850
Publication date
Jan 30, 2025
XIAMEN EOCHIP SEMICONDUCTOR CO., LTD
Yuanyuan ZHOU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTIMAL EQUALIZATION PARTITIONING WITH A LINEAR RECEIVER SIGNAL PATH
Publication number
20240421906
Publication date
Dec 19, 2024
MACOM Technology Solutions Holdings, Inc.
Ryan Latchman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Free Space Optical Communications using a Spectrally-Equalizing Amp...
Publication number
20240333386
Publication date
Oct 3, 2024
Attochron, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MODULATOR AND OPTICAL MODULATION METHOD
Publication number
20240333391
Publication date
Oct 3, 2024
NEC Corporation
Masayuki NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR COMPRESSING AND EMPLOYING PATTERN DEPENDENT L...
Publication number
20240305375
Publication date
Sep 12, 2024
Huawei Technologies Co., Ltd
Jianhong KE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LATENCY EQUALIZATION FOR OPTICAL FILTER
Publication number
20240297714
Publication date
Sep 5, 2024
Telefonaktiebolaget LM Ericsson (publ)
Claudio D'INCÀ
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reduced Thickness Optical Isolator and Method of Use Thereof in a L...
Publication number
20240275489
Publication date
Aug 15, 2024
Ramesh Sundaram
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Free Space Optical Communications using a Spectrally-Equalizing Amp...
Publication number
20240267121
Publication date
Aug 8, 2024
Attochron, LLC
Thomas M. Chaffee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION PATH, AND PHOTOEL...
Publication number
20240195503
Publication date
Jun 13, 2024
Yasuhiro KOIKE
Yasuhiro KOIKE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Correcting Optical Waveform Distortion and...
Publication number
20240178919
Publication date
May 30, 2024
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
Takashi INOUE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTIMAL EQUALIZATION PARTITIONING WITH AUTOMATIC GAIN ADJUSTMENT
Publication number
20240171277
Publication date
May 23, 2024
MACOM Technology Solutions Holdings, Inc.
Ryan Latchman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NETWORK
Publication number
20240171281
Publication date
May 23, 2024
British Telecommunications public limited company
Marco MENCHETTI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL/ELECTRICAL MODULE, COMMUNICATION METHOD, AND RELATED DEVICE
Publication number
20240154699
Publication date
May 9, 2024
Huawei Technologies Co., Ltd
Changzheng Su
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
Publication number
20240146412
Publication date
May 2, 2024
Nitto Denko Corporation
Yugo KASEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CIRCUIT FOR MULTI-PATH INTERFERENCE MITIGATION IN AN OPTICAL COMMUN...
Publication number
20240137130
Publication date
Apr 25, 2024
Marvell Asia Pte Ltd.
Benjamin P. SMITH
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REDUCED THICKNESS OPTICAL ISOLATOR AND METHOD OF USE THEREOF IN A L...
Publication number
20240121001
Publication date
Apr 11, 2024
II-VI Delaware, Inc.
Ramesh Sundaram
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR AN EQUALIZER BASED ON VITERBI ALGORITHM
Publication number
20240106536
Publication date
Mar 28, 2024
Nokia Solutions and Networks Oy
Yannick LEFEVRE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYMBOL CONSTELLATION GENERATION APPARATUS, CONTROL METHOD, AND COMP...
Publication number
20240097791
Publication date
Mar 21, 2024
NEC Corporation
Ankith Vinayachandran
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM FOR CORRECTING PHASE NOISE AND/OR DRIFT OCCURRING IN OPTICAL...
Publication number
20240080096
Publication date
Mar 7, 2024
ROHDE & SCHWARZ GMBH & CO. KG
Julius Seeger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BROADBAND RADIO FRQUENCY SIGNAL OPTICAL FIBER PHASE-STABLE TRANSMIS...
Publication number
20240080100
Publication date
Mar 7, 2024
Zhejiang University
Xiaofeng Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION USING DOUBLE SIDEBAND SUPPRESSED CARRIER DEMO...
Publication number
20240063915
Publication date
Feb 22, 2024
The Boeing Company
James D. Franklin
H04 - ELECTRIC COMMUNICATION TECHNIQUE