Membership
Tour
Register
Log in
Wavelength-division multiplex systems
Follow
Industry
CPC
H04J14/02
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
H
ELECTRICITY
H04
Electric communication
H04J
MULTIPLEX COMMUNICATION
H04J14/00
Optical multiplex systems
Current Industry
H04J14/02
Wavelength-division multiplex systems
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical network management apparatus and method of allocating optic...
Patent number
12,289,568
Issue date
Apr 29, 2025
NEC Corporation
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for determining launch energy, power and efficien...
Patent number
12,278,692
Issue date
Apr 15, 2025
AT&T Communications Services India Private Limited
Mritunjay Pandey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Stretched single optical span communications system and method avoi...
Patent number
12,278,693
Issue date
Apr 15, 2025
Ciena Corporation
Kevan Peter Jones
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power saving for multi-wavelength passive optical network (PON)
Patent number
12,273,142
Issue date
Apr 8, 2025
Charter Communications Operating, LLC
Marek Hajduczenia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transport network protection architecture, nodes and method
Patent number
12,273,185
Issue date
Apr 8, 2025
Telefonaktiebolaget LM Ericsson (publ)
Annamaria Fulignoli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication network terminating device, communication system, sig...
Patent number
12,267,151
Issue date
Apr 1, 2025
Nippon Telegraph and Telephone Corporation
Akihiro Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Management and control system of wavelength-multiplexed subranging...
Patent number
12,261,642
Issue date
Mar 25, 2025
Seaford Holdings, LLC
Bahram Jalali
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Metastructured photonic devices for multiplexing or demultiplexing...
Patent number
12,261,685
Issue date
Mar 25, 2025
X Development LLC
Sunil Pai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency division multiple access optical subcarriers
Patent number
12,255,731
Issue date
Mar 18, 2025
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network architecture with variable granularity optical routing
Patent number
12,250,501
Issue date
Mar 11, 2025
Google LLC
Rene Marcel Schmogrow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical port identification
Patent number
12,250,022
Issue date
Mar 11, 2025
Telefonaktiebolaget LM Ericsson (publ)
Riccardo Ceccatelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization-diversity optical power supply
Patent number
12,250,027
Issue date
Mar 11, 2025
Nubis Communications, Inc.
Peter Johannes Winzer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for tuning a power characteristic of an optical...
Patent number
12,244,349
Issue date
Mar 4, 2025
Cable Television Laboratories, Inc.
Lin Cheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interconnect networks using microLED-based optical links
Patent number
12,244,355
Issue date
Mar 4, 2025
AvicenaTech, Corp.
Robert Kalman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wavelength cross connect device and wavelength cross connect method
Patent number
12,244,346
Issue date
Mar 4, 2025
Nippon Telegraph and Telephone Corporation
Hiroki Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Operation apparatus for fiber network and control method thereof
Patent number
12,244,407
Issue date
Mar 4, 2025
Korea Institute of Science & Technology Information
Chan Kyun Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Service and power control orchestrator
Patent number
12,237,868
Issue date
Feb 25, 2025
Infinera Corporation
Baranidhar Ramanathan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photonic communication platform and related methods for increasing...
Patent number
12,237,871
Issue date
Feb 25, 2025
Lightmatter, Inc.
Mykhailo Tymchenko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength-division-multiplexing optical circuit implemented in pho...
Patent number
12,237,913
Issue date
Feb 25, 2025
II-VI DELAWARE, INC.
Po Dong
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
Method and system for detecting an improper protection in an optica...
Patent number
12,237,866
Issue date
Feb 25, 2025
Huawei Technologies Co., Ltd.
Zhiping Jiang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission apparatus and transmission system
Patent number
12,231,227
Issue date
Feb 18, 2025
Fujitsu Limited
Xiang Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic devices with high frequency symbol generation
Patent number
12,231,171
Issue date
Feb 18, 2025
Apple Inc.
Bertram R Gunzelmann
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fiber indexing systems
Patent number
12,222,570
Issue date
Feb 11, 2025
CommScope Technologies LLC
Erik J. Gronvall
G02 - OPTICS
Information
Patent Grant
Monitoring apparatus, monitoring method, and non-transitory compute...
Patent number
12,224,850
Issue date
Feb 11, 2025
NEC Corporation
Morihiko Ota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coordinator for managing optical power controls in a C+L band network
Patent number
12,218,745
Issue date
Feb 4, 2025
Infinera Corporation
Nikhil Satyarthi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information transmission method and device, communication device, a...
Patent number
12,218,746
Issue date
Feb 4, 2025
China Mobile Communication Co., Ltd. Research Institute
Dechao Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic cross-frequency path configuration for wavelength division...
Patent number
12,212,903
Issue date
Jan 28, 2025
AT&T Intellectual Property I, L.P.
Mritunjay Pandey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Miniaturized multichannel wavelength division multiplexing optical...
Patent number
12,212,364
Issue date
Jan 28, 2025
II-VI DELAWARE, INC.
Xu Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexers for space division multiplexing (S...
Patent number
12,210,185
Issue date
Jan 28, 2025
Chiral Photonics, Inc.
Victor Il'ich Kopp
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL POWER CONTROL DEVICE, OPTICAL POWER CONTROL METHOD, AND OPT...
Publication number
20250132829
Publication date
Apr 24, 2025
Fujitsu Limited
Kyosuke SONE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Alarm Correlation and Ticketing for Open Reconfigurable Optical Add...
Publication number
20250132856
Publication date
Apr 24, 2025
AT&T INTELLECTUAL PROPERTY I, L.P.
Qingyun Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE OPTICAL TAP AND ASSOCIATED METHODS
Publication number
20250132855
Publication date
Apr 24, 2025
Cable Television Laboratories, Inc.
MU XU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SUBMARINE BRANCHING UNIT, AND CONTROL METHOD
Publication number
20250133311
Publication date
Apr 24, 2025
NEC Corporation
Andre ARASHIRO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DYNAMIC CROSS-FREQUENCY PATH CONFIGURATION FOR WAVELENGTH DIVISION...
Publication number
20250133312
Publication date
Apr 24, 2025
AT&T INTELLECTUAL PROPERTY I, L.P.
Mritunjay Pandey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTING APPARATUS, AND CONTROL METHOD
Publication number
20250125877
Publication date
Apr 17, 2025
Nippon Telegraph and Telephone Corporation
Ryo MIYATAKE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL RELAY APPARATUS AND OPTICAL SIGNAL RELAY METHOD
Publication number
20250119215
Publication date
Apr 10, 2025
NEC Corporation
Tatsunori OMIYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL REPEATER AND OPTICAL COMMUNICATION SYSTEM
Publication number
20250119216
Publication date
Apr 10, 2025
NEC Corporation
Kazusa UGAJIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM, EXTENSION STATION AND COMMUNICATION M...
Publication number
20250119227
Publication date
Apr 10, 2025
Nippon Telegraph and Telephone Corporation
Kota ITO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTOMATED ASE IDLER MANAGEMENT SYSTEM FOR WSS-BASED SPECTRAL FILLIN...
Publication number
20250112724
Publication date
Apr 3, 2025
Infinera Corp.
Jonathan Michael Buset
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ASE IDLER PASSBAND PROTECTION FOR TERRESTRIAL OPTICAL NETWORK APPLI...
Publication number
20250112722
Publication date
Apr 3, 2025
Infinera Corp.
Jonathan Michael Buset
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR OPTICAL CONTROLS OF ELASTIC PASSBANDS
Publication number
20250113123
Publication date
Apr 3, 2025
Infinera Corp.
Aryabhata Deshpande
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
SUB-PASSBAND RAMPING AS A METHOD OF MANAGING POWER TRANSIENTS IN C+...
Publication number
20250113124
Publication date
Apr 3, 2025
Infinera Corp.
Jonathan Michael Buset
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SUPPORTING COMMUNICATIONS IN OPTICAL COMMUNICATION SYSTEMS
Publication number
20250113126
Publication date
Apr 3, 2025
Nokia Solutions and Networks Oy
Yannick Lefevre
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL LINK ARCHITECTURE
Publication number
20250105920
Publication date
Mar 27, 2025
NVIDIA Corporation
Benjamin Giles Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SPLITTING/COUPLING DEVICE, OPTICAL SUBMARINE CABLE SYSTEM,...
Publication number
20250105939
Publication date
Mar 27, 2025
NEC Corporation
Ryota ABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Partially Colored Flexgrid Wavelength-Division Multiplexer/Demultip...
Publication number
20250105940
Publication date
Mar 27, 2025
Google LLC
Rene Marcel Schmogrow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Hybrid Fiber Coaxial Node
Publication number
20250106538
Publication date
Mar 27, 2025
Comcast Cable Communications, LLC
Jorge Daniel Salinger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NETWORK UNIT ACTIVATION AND LOW LATENCY TRANSMISSIONS IN DE...
Publication number
20250096920
Publication date
Mar 20, 2025
MaxLinear, Inc.
Rainer Strobel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSCEIVER MODULE
Publication number
20250096900
Publication date
Mar 20, 2025
InnoLight Technology (Suzhou) LTD.
LONG CHEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CHARACTERISTIC MEASUREMENT APPARATUS, CHARACTERISTIC MEASUREMENT ME...
Publication number
20250096919
Publication date
Mar 20, 2025
Nippon Telegraph and Telephone Corporation
Akira KAWAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IFoF SCHEME OPTICAL TRANSMISSION SYSTEM
Publication number
20250096921
Publication date
Mar 20, 2025
Mitsubishi Electric Corporation
Junya NISHIOKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURED FIBER LINK SYSTEM
Publication number
20250085481
Publication date
Mar 13, 2025
APRIORI NETWORK SYSTEMS, LLC
Gary M. WEINER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MANAGEMENT AND CONTROL SYSTEM OF WAVELENGTH-MULTIPLEXED SUBRANGING...
Publication number
20250080224
Publication date
Mar 6, 2025
Seaford Holdings, LLC
Bahram Jalali
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR PRIVATE LINE EMULATION IN A PACKET-SWITCHE...
Publication number
20250080264
Publication date
Mar 6, 2025
Walid Wakim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ULTRA-SCALABLE HIGH-PERFORMANCE COMPUTING (HPC) NETWORK USING DENSE...
Publication number
20250080263
Publication date
Mar 6, 2025
Microsoft Technology Licensing, LLC
Denizcan BILLOR
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PATH ESTABLISHMENT METHOD AND RELATED DEVICE
Publication number
20250070906
Publication date
Feb 27, 2025
Huawei Technologies Co., Ltd
Chao Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION DEVICE THAT TRANSMITS WDM SIGNAL
Publication number
20250070907
Publication date
Feb 27, 2025
Fujitsu Limited
Akio Sugama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NODES, REMOTE CONTROL SYSTEMS, AND REMOTE CONTROL METHODS
Publication number
20250070868
Publication date
Feb 27, 2025
Nippon Telegraph and Telephone Corporation
Tomohiro KAWANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE