Wavelength-division multiplex systems

Industry

CPC
H04J14/02

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J14/00Optical multiplex systems

Current Industry

H04J14/02Wavelength-division multiplex systems

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Data transport in a virtualized distributed antenna system
- Patent number 12,302,046
- Issue date May 13, 2025
- DALI WIRELESS, INC.
- Shawn Patrick Stapleton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber sensing system, measuring device, and measuring method
- Patent number 12,298,177
- Issue date May 13, 2025
- NEC Corporation
- Yutaka Yano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Communication system and method for controlling communication system
- Patent number 12,301,295
- Issue date May 13, 2025
- NEC Corporation
- Yutaka Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal transmission
- Patent number 12,301,282
- Issue date May 13, 2025
- British Telecommunications public limited company
- Andrew Lord
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for fiber upstream trace determination
- Patent number 12,294,407
- Issue date May 6, 2025
- FRONTIER COMMUNICATIONS HOLDINGS, LLC
- Ryan C. Bennett
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch with all-optical memory buffer
- Patent number 12,294,817
- Issue date May 6, 2025
- NEWPHOTONICS Ltd.
- Yosef Ben-Ezra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time-division multiplexing (TDM) scheduling in a network adapter
- Patent number 12,294,450
- Issue date May 6, 2025
- Mellanox Technologies, Ltd.
- Dotan David Levi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 12,289,568
- Issue date Apr 29, 2025
- NEC Corporation
- Hitoshi Takeshita
- 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

Patents Applicationslast 30 patents

Information Patent Application
PHYSICAL MEDIUM DEPENDENT (PMD) MODULE WITH BURST PREDICTION
- Publication number 20250158731
- Publication date May 15, 2025
- MaxLinear, Inc.
- Gert Schedelbeck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION CONTROL APPARATUS, OPTICAL TRANSMISSION SYSTEM...
- Publication number 20250158732
- Publication date May 15, 2025
- NEC Corporation
- Toshifumi Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DENSE WAVELENGTH DIVISION MULTIPLEXING OPTICAL LINKS INCLUDING RING...
- Publication number 20250150193
- Publication date May 8, 2025
- NVIDIA Corporation
- Liron Gantz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER BANDWIDTH SCALING THROUGH DIRECT OPTICAL WIRE F...
- Publication number 20250147233
- Publication date May 8, 2025
- Intel Corporation
- Junyi Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
THERMAL-EFFICIENT RING-BASED COARSE WAVELENGTH DIVISION MULTIPLEXIN...
- Publication number 20250150170
- Publication date May 8, 2025
- NVIDIA Corporation
- Liron Gantz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VARIABLE EQUALIZER, REPEATER, AND EQUALIZING METHOD INCORPORATION B...
- Publication number 20250141581
- Publication date May 1, 2025
- NEC Corporation
- Koji INADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VARIABLE EQUALIZER, REPEATER, AND EQUALIZING METHOD INCORPORATION B...
- Publication number 20250141582
- Publication date May 1, 2025
- NEC Corporation
- Koji INADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MONITOR CHANNEL FOR MULTIPLE TRANSMISSION CHANNELS
- Publication number 20250141583
- Publication date May 1, 2025
- Cisco Technology, Inc.
- Scott D. DENTON
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION METHOD, AND OPTIC...
- Publication number 20250141584
- Publication date May 1, 2025
- Fujitsu Limited
- Tokuharu KIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION METHOD AND DEVICE
- Publication number 20250141585
- Publication date May 1, 2025
- Huawei Technologies Co., Ltd
- Amirhossein Mohammadian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL CONVERSION MODULE, SIGNAL CONVERSION METHOD, OPTICAL FIBER T...
- Publication number 20250141588
- Publication date May 1, 2025
- Ruijie Networks Co., Ltd.
- Zhaowei HAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
I/Q CODING METHOD FOR WDM COMMUNICATION SYSTEM OVER OPTICAL FIBRE
- Publication number 20250141589
- Publication date May 1, 2025
- MIMOPT TECHNOLOGY
- Ghaya REKAYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND COMMUNICATION METHOD
- Publication number 20250141552
- Publication date May 1, 2025
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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

Wavelength-division multiplex systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Data transport in a virtualized distributed antenna system

Optical fiber sensing system, measuring device, and measuring method

Communication system and method for controlling communication system

Optical signal transmission

Systems and methods for fiber upstream trace determination

Optical switch with all-optical memory buffer

Time-division multiplexing (TDM) scheduling in a network adapter

Optical network management apparatus and method of allocating optic...

System and method for determining launch energy, power and efficien...

Stretched single optical span communications system and method avoi...

Power saving for multi-wavelength passive optical network (PON)

Optical transport network protection architecture, nodes and method

Communication network terminating device, communication system, sig...

Management and control system of wavelength-multiplexed subranging...

Metastructured photonic devices for multiplexing or demultiplexing...

Frequency division multiple access optical subcarriers

Network architecture with variable granularity optical routing

Optical port identification

Polarization-diversity optical power supply

Systems and methods for tuning a power characteristic of an optical...

Interconnect networks using microLED-based optical links

Wavelength cross connect device and wavelength cross connect method

Operation apparatus for fiber network and control method thereof

Service and power control orchestrator

Photonic communication platform and related methods for increasing...

Wavelength-division-multiplexing optical circuit implemented in pho...

Broadband wavelength division multiplexing for free space optical c...

Method and system for detecting an improper protection in an optica...

Transmission apparatus and transmission system

Electronic devices with high frequency symbol generation

Patents Applicationslast 30 patents

PHYSICAL MEDIUM DEPENDENT (PMD) MODULE WITH BURST PREDICTION

OPTICAL TRANSMISSION CONTROL APPARATUS, OPTICAL TRANSMISSION SYSTEM...

DENSE WAVELENGTH DIVISION MULTIPLEXING OPTICAL LINKS INCLUDING RING...

OPTICAL TRANSCEIVER BANDWIDTH SCALING THROUGH DIRECT OPTICAL WIRE F...

THERMAL-EFFICIENT RING-BASED COARSE WAVELENGTH DIVISION MULTIPLEXIN...

VARIABLE EQUALIZER, REPEATER, AND EQUALIZING METHOD INCORPORATION B...

VARIABLE EQUALIZER, REPEATER, AND EQUALIZING METHOD INCORPORATION B...

MONITOR CHANNEL FOR MULTIPLE TRANSMISSION CHANNELS

OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION METHOD, AND OPTIC...

COMMUNICATION METHOD AND DEVICE

SIGNAL CONVERSION MODULE, SIGNAL CONVERSION METHOD, OPTICAL FIBER T...

I/Q CODING METHOD FOR WDM COMMUNICATION SYSTEM OVER OPTICAL FIBRE

OPTICAL TRANSMISSION APPARATUS AND COMMUNICATION METHOD

OPTICAL POWER CONTROL DEVICE, OPTICAL POWER CONTROL METHOD, AND OPT...

Alarm Correlation and Ticketing for Open Reconfigurable Optical Add...

PASSIVE OPTICAL TAP AND ASSOCIATED METHODS

SUBMARINE BRANCHING UNIT, AND CONTROL METHOD

DYNAMIC CROSS-FREQUENCY PATH CONFIGURATION FOR WAVELENGTH DIVISION...

OPTICAL TRANSMITTING APPARATUS, AND CONTROL METHOD

OPTICAL SIGNAL RELAY APPARATUS AND OPTICAL SIGNAL RELAY METHOD

OPTICAL REPEATER AND OPTICAL COMMUNICATION SYSTEM

OPTICAL COMMUNICATION SYSTEM, EXTENSION STATION AND COMMUNICATION M...

AUTOMATED ASE IDLER MANAGEMENT SYSTEM FOR WSS-BASED SPECTRAL FILLIN...

ASE IDLER PASSBAND PROTECTION FOR TERRESTRIAL OPTICAL NETWORK APPLI...

METHOD AND SYSTEM FOR OPTICAL CONTROLS OF ELASTIC PASSBANDS

APPARATUS AND METHOD FOR ASE IDLER PASSBAND LOADING CONTROL (APLC)

SUB-PASSBAND RAMPING AS A METHOD OF MANAGING POWER TRANSIENTS IN C+...

SUPPORTING COMMUNICATIONS IN OPTICAL COMMUNICATION SYSTEMS

OPTICAL LINK ARCHITECTURE

OPTICAL SPLITTING/COUPLING DEVICE, OPTICAL SUBMARINE CABLE SYSTEM,...