Wavelength-division multiplex systems

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HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J14/00Optical multiplex systems

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H04J14/02Wavelength-division multiplex systems

Industries

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Patents Grantslast 30 patents

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
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
Information Patent Grant
System and apparatus of controlling ring resonator operating points
- Patent number 12,210,198
- Issue date Jan 28, 2025
- Tongqing Wang
- 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
Multi-fiber sensing topology for subsea wells
- Patent number 12,209,493
- Issue date Jan 28, 2025
- Halliburton Energy Services, Inc.
- Glenn Andrew Wilson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Deterministic dynamic network traffic shaping
- Patent number 12,212,406
- Issue date Jan 28, 2025
- SK3W TECHNOLOGIES INC.
- Jamie Aaron Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadband back mirror for a photonic chip
- Patent number 12,210,186
- Issue date Jan 28, 2025
- Skorpios Technologies, Inc.
- Damien Lambert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transmission device management device, transmission device manageme...
- Patent number 12,212,405
- Issue date Jan 28, 2025
- Nippon Telegraph and Telephone Corporation
- Keita Nishimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength multiplexing communication system and wavelength multipl...
- Patent number 12,206,456
- Issue date Jan 21, 2025
- Nippon Telegraph and Telephone Corporation
- Rintaro Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Long distance distributed fiber optic sensing (DFOS) and WDM commun...
- Patent number 12,206,489
- Issue date Jan 21, 2025
- NEC Corporation
- Yue-Kai Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength-multiplexed subranging electro-optic modulator (SEOM) fo...
- Patent number 12,206,455
- Issue date Jan 21, 2025
- Seaford Holdings, LLC
- Bahram Jalali
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communications module link extender including ethernet and...
- Patent number 12,199,743
- Issue date Jan 14, 2025
- Cox Communications, Inc.
- Harjinder Ghuman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Physical medium dependent (PMD) module with burst prediction
- Patent number 12,199,744
- Issue date Jan 14, 2025
- MaxLinear, Inc.
- Gert Schedelbeck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexer/demultiplexer, photonic integrated...
- Patent number 12,199,672
- Issue date Jan 14, 2025
- InnoLight Technology (Suzhou) LTD.
- Tianhua Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, optical transmission device, and optic...
- Patent number 12,199,741
- Issue date Jan 14, 2025
- Fujitsu Limited
- Akihiro Mukai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and method for ultra-flexible and ultra-reliab...
- Patent number 12,199,742
- Issue date Jan 14, 2025
- WIRELESS PHOTONICS LLC
- Ahmadreza Rofougaran
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alarm correlation and ticketing for Open reconfigurable optical add...
- Patent number 12,191,981
- Issue date Jan 7, 2025
- AT&T Intellectual Property I, L.P.
- Qingyun Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device
- Patent number 12,191,982
- Issue date Jan 7, 2025
- Fujitsu Limited
- Atsushi Kiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intra data center optical communication
- Patent number 12,191,914
- Issue date Jan 7, 2025
- SOLANIUM LABS LTD.
- Or Vidal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system and protection method for optical comm...
- Patent number 12,191,905
- Issue date Jan 7, 2025
- Nippon Telegraph and Telephone Corporation
- Shin Kaneko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser-shared coherent transceivers and methods
- Patent number 12,184,399
- Issue date Dec 31, 2024
- Amazon Technologies, Inc.
- Omid Momtahan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secured fiber link system
- Patent number 12,181,713
- Issue date Dec 31, 2024
- APRIORI NETWORK SYSTEMS, LLC
- Gary M. Weiner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor based system and method for broad bandwidth transmission
- Patent number 12,184,403
- Issue date Dec 31, 2024
- SubCom, LLC
- Dmitri G. Foursa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplex conversion for a passive optical network
- Patent number 12,184,400
- Issue date Dec 31, 2024
- ARRIS Enterprises LLC
- David B. Bowler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PHOTONIC PROCESSING SYSTEMS AND METHODS
- Publication number 20250062833
- Publication date Feb 20, 2025
- Lightmatter, Inc
- Darius Bunandar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BALANCED OPTICAL COMMUNICATION NETWORKS
- Publication number 20250055589
- Publication date Feb 13, 2025
- Lightmatter, Inc
- Parry Jones Reginald Husbands
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DEVICE, QUANTUM COMMUNICATION SYSTEMS AND QUANTUM COMMUNICA...
- Publication number 20250047385
- Publication date Feb 6, 2025
- Kabushiki Kaisha Toshiba
- Robert Ian WOODWARD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK UNIT, CENTRAL OFFICE NODE AND METHODS OF CONFIGURIN...
- Publication number 20250047406
- Publication date Feb 6, 2025
- Telefonaktiebolaget LM Ericsson (publ)
- Paola IOVANNA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
- Publication number 20250047405
- Publication date Feb 6, 2025
- NEC Corporation
- Takeshi Takemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER, OPTICAL TRANSCEIVER USING OPTICAL TRANSMITTER,...
- Publication number 20250047390
- Publication date Feb 6, 2025
- Fujitsu Limited
- Jun MATSUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND METHOD FOR CONTROLLING OPTICAL TRAN...
- Publication number 20250038847
- Publication date Jan 30, 2025
- NEC Corporation
- Keiichi MATSUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Integrated C+L band ROADM architecture
- Publication number 20250038875
- Publication date Jan 30, 2025
- CIENA CORPORATION
- Paul Chedore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ON-CHIP INTEGRATED WAVELENGTH DIVISION MULTIPLEXER AND CHIP
- Publication number 20250038877
- Publication date Jan 30, 2025
- PICMORE TECHNOLOGY (SUZHOU) LTD.
- Defen GUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DUAL LASER CONTROL FOR POINT-TO-MULTIPOINT NETWORKS USING BI-DIRECT...
- Publication number 20250038854
- Publication date Jan 30, 2025
- Infinera Corporation
- Christopher Fludger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVICE PROVIDING SERVER, SERVICE PROVIDING METHOD, AND SERVICE PRO...
- Publication number 20250038876
- Publication date Jan 30, 2025
- SONY GROUP CORPORATION
- KAZUMOTO KONDO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data Secrecy Method for Submarine Cable System with Failure and Sub...
- Publication number 20250023654
- Publication date Jan 16, 2025
- HMN Technologies Co., Limited
- Xiaoyong QIN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Bonding over sub-carrier multiplexed channels
- Publication number 20250023655
- Publication date Jan 16, 2025
- CIENA CORPORATION
- Stephen Daniel Shew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-MODULATION-FORMAT COMPATIBLE SPACE LASER COMMUNICATION METHOD...
- Publication number 20250023643
- Publication date Jan 16, 2025
- Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences
- Wei WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM
- Publication number 20250015918
- Publication date Jan 9, 2025
- SANTEC HOLDINGS CORPORATION
- Yasuki SAKURAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH-ISOLATION LIGHT SOURCE FILLING DEVICE AND METHOD IN WAVELENGTH...
- Publication number 20250015895
- Publication date Jan 9, 2025
- Accelink Technologies Co., Ltd.
- Li XIAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ESTABLISHING A TRANSMISSION FUNCTIONALITY FOR PROVIDING, VIA A TELE...
- Publication number 20250007639
- Publication date Jan 2, 2025
- Deutsche Telekom AG
- Thomas HAAG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ESTABLISHING OR SWITCHING AN OPTICAL TRANSMISSION PATH IN ORDER TO...
- Publication number 20250008246
- Publication date Jan 2, 2025
- Deutsche Telekom AG
- Werner WEIERSHAUSEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULE
- Publication number 20250007608
- Publication date Jan 2, 2025
- HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD
- Dan LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TIME DOMAIN REFLECTOMETER (OTDR)-BASED FIBER MONITORING OPT...
- Publication number 20250007604
- Publication date Jan 2, 2025
- VIAVI SOLUTIONS INC.
- Vincent LECOEUCHE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE
- Publication number 20250007612
- Publication date Jan 2, 2025
- Fujitsu Limited
- Tomoyuki Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPECTRUM ADJUSTMENT METHOD FOR OPTICAL TRANSMISSION SYSTEM AND NETW...
- Publication number 20240421933
- Publication date Dec 19, 2024
- Hangzhou AliCloud Feitian Information Technology Co., Ltd.
- Liang DOU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTING APPARATUS, OPTICAL TRANSMITTING METHOD AND OPT...
- Publication number 20240421910
- Publication date Dec 19, 2024
- Nippon Telegraph and Telephone Corporation
- Toshiaki SHITABA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASEBAND UNIT AND ACCESS NETWORK DEVICE
- Publication number 20240418933
- Publication date Dec 19, 2024
- Huawei Technologies Co., Ltd
- Yangbo Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fault Positioning Method, Optical Module and Storage Medium
- Publication number 20240413900
- Publication date Dec 12, 2024
- CHINA MOBILE COMMUNICATION CO., LTD RESEARCH INSTITUTE
- Dong Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...
- Publication number 20240405875
- Publication date Dec 5, 2024
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TECHNIQUES FOR EFFICIENT TUNING OF MICRO-RING MODULATORS FOR WAVELE...
- Publication number 20240405908
- Publication date Dec 5, 2024
- Lightmatter, Inc
- Jessie Rosenberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL APPARATUS, COMMUNICATION SYSTEM, CONTROL METHOD AND PROGRAM
- Publication number 20240405909
- Publication date Dec 5, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTIC...
- Publication number 20240405868
- Publication date Dec 5, 2024
- Fujitsu Limited
- GOJI NAKAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION APPARATUS
- Publication number 20240405910
- Publication date Dec 5, 2024
- Nippon Telegraph and Telephone Corporation
- Kota ITO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Wavelength-division multiplex systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Transmission apparatus and transmission system

Electronic devices with high frequency symbol generation

Fiber indexing systems

Monitoring apparatus, monitoring method, and non-transitory compute...

Coordinator for managing optical power controls in a C+L band network

Information transmission method and device, communication device, a...

Wavelength division multiplexers for space division multiplexing (S...

System and apparatus of controlling ring resonator operating points

Dynamic cross-frequency path configuration for wavelength division...

Miniaturized multichannel wavelength division multiplexing optical...

Multi-fiber sensing topology for subsea wells

Deterministic dynamic network traffic shaping

Broadband back mirror for a photonic chip

Transmission device management device, transmission device manageme...

Wavelength multiplexing communication system and wavelength multipl...

Long distance distributed fiber optic sensing (DFOS) and WDM commun...

Wavelength-multiplexed subranging electro-optic modulator (SEOM) fo...

Optical communications module link extender including ethernet and...

Physical medium dependent (PMD) module with burst prediction

Wavelength division multiplexer/demultiplexer, photonic integrated...

Optical transmission system, optical transmission device, and optic...

Communication system and method for ultra-flexible and ultra-reliab...

Alarm correlation and ticketing for Open reconfigurable optical add...

Optical transmission device

Intra data center optical communication

Optical communication system and protection method for optical comm...

Laser-shared coherent transceivers and methods

Secured fiber link system

Semiconductor based system and method for broad bandwidth transmission

Multiplex conversion for a passive optical network

Patents Applicationslast 30 patents

PHOTONIC PROCESSING SYSTEMS AND METHODS

BALANCED OPTICAL COMMUNICATION NETWORKS

OPTICAL DEVICE, QUANTUM COMMUNICATION SYSTEMS AND QUANTUM COMMUNICA...

OPTICAL NETWORK UNIT, CENTRAL OFFICE NODE AND METHODS OF CONFIGURIN...

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD

OPTICAL TRANSMITTER, OPTICAL TRANSCEIVER USING OPTICAL TRANSMITTER,...

OPTICAL TRANSMISSION SYSTEM AND METHOD FOR CONTROLLING OPTICAL TRAN...

Integrated C+L band ROADM architecture

ON-CHIP INTEGRATED WAVELENGTH DIVISION MULTIPLEXER AND CHIP

DUAL LASER CONTROL FOR POINT-TO-MULTIPOINT NETWORKS USING BI-DIRECT...

SERVICE PROVIDING SERVER, SERVICE PROVIDING METHOD, AND SERVICE PRO...

Data Secrecy Method for Submarine Cable System with Failure and Sub...

Bonding over sub-carrier multiplexed channels

MULTI-MODULATION-FORMAT COMPATIBLE SPACE LASER COMMUNICATION METHOD...

OPTICAL TRANSMISSION SYSTEM

HIGH-ISOLATION LIGHT SOURCE FILLING DEVICE AND METHOD IN WAVELENGTH...

ESTABLISHING A TRANSMISSION FUNCTIONALITY FOR PROVIDING, VIA A TELE...

ESTABLISHING OR SWITCHING AN OPTICAL TRANSMISSION PATH IN ORDER TO...

OPTICAL MODULE

OPTICAL TIME DOMAIN REFLECTOMETER (OTDR)-BASED FIBER MONITORING OPT...

OPTICAL TRANSMISSION DEVICE

SPECTRUM ADJUSTMENT METHOD FOR OPTICAL TRANSMISSION SYSTEM AND NETW...

OPTICAL TRANSMITTING APPARATUS, OPTICAL TRANSMITTING METHOD AND OPT...

BASEBAND UNIT AND ACCESS NETWORK DEVICE

Fault Positioning Method, Optical Module and Storage Medium

MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...

TECHNIQUES FOR EFFICIENT TUNING OF MICRO-RING MODULATORS FOR WAVELE...

CONTROL APPARATUS, COMMUNICATION SYSTEM, CONTROL METHOD AND PROGRAM

OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTIC...

WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION APPARATUS