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in which processing or amplification is carried out without conversion of the main signal from optical form
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H04B10/291
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H
ELECTRICITY
H04
Electric communication
H04B
TRANSMISSION
H04B10/00
Transmission systems employing electromagnetic waves other than radio-waves
Current Industry
H04B10/291
in which processing or amplification is carried out without conversion of the main signal from optical form
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Patents Grants
last 30 patents
Information
Patent Grant
Light leakage confirmation method, light leakage confirmation appar...
Patent number
12,199,664
Issue date
Jan 14, 2025
Nippon Telegraph and Telephone Corporation
Ryo Igarashi
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
Integrated coherent optical transceiver, light engine
Patent number
12,136,951
Issue date
Nov 5, 2024
MARVELL ASIA PTE. LTD.
Radhakrishnan L. Nagarajan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Parallel O-band amplifier
Patent number
12,051,882
Issue date
Jul 30, 2024
Daryl Inniss
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light amplifying relay system
Patent number
12,034,269
Issue date
Jul 9, 2024
Nippon Telegraph and Telephone Corporation
Takayuki Mizuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Filter, optical amplifier, communication system, filtering method,...
Patent number
12,034,486
Issue date
Jul 9, 2024
Huawei Technologies Co., Ltd.
Qiang Guo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and an apparatus for transitioning between optical networks
Patent number
12,009,866
Issue date
Jun 11, 2024
AT&T Intellectual Property I, L.P.
Ricky Perry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical repeater, manufacturing method of optical repeater, and rel...
Patent number
11,990,726
Issue date
May 21, 2024
NEC Corporation
Satoshi Mikami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wireless optical communication data transmission apparatus and method
Patent number
11,979,192
Issue date
May 7, 2024
Soochow University
Xiaodi You
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength cross connect device and wavelength cross connect method
Patent number
11,979,226
Issue date
May 7, 2024
Nippon Telegraph and Telephone Corporation
Hiroki Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Submarine network device
Patent number
11,955,764
Issue date
Apr 9, 2024
HMN Technologies Co., Limited
Changwu Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifier burst mode communication with variable duty cycle
Patent number
11,909,452
Issue date
Feb 20, 2024
X Development LLC
Bruce Moision
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transponder
Patent number
11,881,895
Issue date
Jan 23, 2024
Nippon Telegraph and Telephone Corporation
Hirotaka Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplification device, optical transmission system, and opti...
Patent number
11,881,675
Issue date
Jan 23, 2024
NEC Corporation
Hitoshi Takeshita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for coherent optical multiplexing 1+1 protection
Patent number
11,870,552
Issue date
Jan 9, 2024
II-VI DELAWARE, INC.
Peigang Hu
G02 - OPTICS
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
Turn-up procedure for local and remote amplifiers in an optical system
Patent number
11,824,581
Issue date
Nov 21, 2023
Ciena Corporation
Choudhury A. Al Sayeed
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Supervision of an optical path including an amplifier
Patent number
11,757,528
Issue date
Sep 12, 2023
Alcatel Submarine Networks
Hans Bissessur
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor optical amplifier with asymmetric Mach-Zehnder interf...
Patent number
11,700,077
Issue date
Jul 11, 2023
OpenLight Photonics, Inc.
Erik Johan Norberg
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Appliance remote control
Patent number
11,700,063
Issue date
Jul 11, 2023
Erik Volkerink
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for characterizing an optical fiber in a dense...
Patent number
11,671,172
Issue date
Jun 6, 2023
Huawei Technologies Co., Ltd.
Zhiping Jiang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network management device, optical network system, optical...
Patent number
11,671,196
Issue date
Jun 6, 2023
NEC Corporation
Shigeyuki Yanagimachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods, devices, and systems for integration, beam forming and ste...
Patent number
11,671,175
Issue date
Jun 6, 2023
Lumeova, Inc.
Mohammad Ali Khatibzadeh
G02 - OPTICS
Information
Patent Grant
System, apparatus and method for efficient optical signal amplifica...
Patent number
11,664,901
Issue date
May 30, 2023
SubCom, LLC
Sheng Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Increase in reach of unrepeatered fiber transmission
Patent number
11,632,191
Issue date
Apr 18, 2023
Raytheon Company
Nikola Alic
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and an apparatus for transitioning between optical networks
Patent number
11,626,927
Issue date
Apr 11, 2023
AT&T Intellectual Property I, L.P.
Ricky Perry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and optical communication method
Patent number
11,621,778
Issue date
Apr 4, 2023
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods, devices, and systems for integration, beam forming and ste...
Patent number
11,616,571
Issue date
Mar 28, 2023
Lumeova, Inc.
Mohammad Ali Khatibzadeh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifier burst mode communication with variable duty cycle
Patent number
11,611,398
Issue date
Mar 21, 2023
X Development LLC
Bruce Moision
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for shifting a frequency of an optical signal
Patent number
11,588,557
Issue date
Feb 21, 2023
Nucript LLC
Gregory S. Kanter
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
RAMAN OPTICAL AMPLIFIER, OPTICAL TRANSMISSION SYSTEM, AND METHOD FO...
Publication number
20240405876
Publication date
Dec 5, 2024
Fujitsu Limited
Takashi Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PARALLEL O-BAND AMPLIFIER
Publication number
20240405500
Publication date
Dec 5, 2024
OFS FITEL, LLC
Daryl Inniss
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL COUPLING ELEMENT, ARRANGEMENT, AND TRANSCEIVER
Publication number
20240388364
Publication date
Nov 21, 2024
INNOLUME GMBH
Vladislav Bougrov
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Environmental Change Detection
Publication number
20240297712
Publication date
Sep 5, 2024
NPL Management Limited
Giuseppe Marra
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHOTONIC INTEGRATED CIRCUIT INCLUDING SEMICONDUCTOR OPTICAL AMPLIFIERS
Publication number
20240291566
Publication date
Aug 29, 2024
Infinera Corporation
Vikrant Lal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND AN APPARATUS FOR TRANSITIONING BETWEEN OPTICAL NETWORKS
Publication number
20240283543
Publication date
Aug 22, 2024
AT&T INTELLECTUAL PROPERTY I, L.P.
Ricky Perry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH CROSS CONNECT DEVICE, AND WAVELENGTH CROSS CONNECT METHOD
Publication number
20240283557
Publication date
Aug 22, 2024
Nippon Telegraph and Telephone Corporation
Masahiro NAKAGAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL AMPLIFICATION
Publication number
20240258758
Publication date
Aug 1, 2024
Fujitsu Limited
Youichi AKASAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL AMPLIFICATION DEVICE AND OPTICAL AMPLIFICATION METHOD
Publication number
20240235684
Publication date
Jul 11, 2024
NEC Corporation
Yusuke SASAKI
G02 - OPTICS
Information
Patent Application
FORWARD RAMAN AMPLIFIER, BIDIRECTIONAL RAMAN AMPLIFICATION SYSTEM,...
Publication number
20240129034
Publication date
Apr 18, 2024
Fujitsu Limited
Hiroshi NAKAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL AMPLIFICATION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTI...
Publication number
20240097397
Publication date
Mar 21, 2024
NEC Corporation
Hitoshi TAKESHITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL AMPLIFIER, COMMUNICATION MODULE, AND OPTICAL TRANSMISSION A...
Publication number
20240072900
Publication date
Feb 29, 2024
FUJITSU OPTICAL COMPONENTS LIMITED
Daisuke MATSUKAWA
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
OPTICAL TRANSMISSION SYSTEM
Publication number
20240007189
Publication date
Jan 4, 2024
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COUPLER, COMMUNICATION METHOD, AND COMMUNICATION SYSTEM
Publication number
20230388017
Publication date
Nov 30, 2023
Huawei Technologies Co., Ltd
Yuanda Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONITORING OPTICAL SIGNAL ARRIVAL ADJUSTMENT DEVICE, OPTICAL COMMUN...
Publication number
20230361877
Publication date
Nov 9, 2023
NEC Corporation
Ryota ABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMISSION METHOD
Publication number
20230327767
Publication date
Oct 12, 2023
NEC Corporation
Hitoshi Takeshita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS, DEVICES, AND SYSTEMS FOR INTEGRATION, BEAM FORMING AND STE...
Publication number
20230283372
Publication date
Sep 7, 2023
LUMEOVA, INC.
Mohammad Ali Khatibzadeh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS OPTICAL COMMUNICATION DATA TRANSMISSION APPARATUS AND METHOD
Publication number
20230283381
Publication date
Sep 7, 2023
SOOCHOW UNIVERSITY
Xiaodi YOU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH CROSS CONNECT DEVICE AND WAVELENGTH CROSS CONNECT METHOD
Publication number
20230275667
Publication date
Aug 31, 2023
Nippon Telegraph and Telephone Corporation
Hiroki Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR OPTICAL POWER LIMITER
Publication number
20230258965
Publication date
Aug 17, 2023
National University of Singapore
Chao WANG
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE, LIGHT SOURCE DEVICE, METHOD OF DRIVING LIGHT SOURCE,...
Publication number
20230231629
Publication date
Jul 20, 2023
FURUKAWA ELECTRIC CO., LTD.
Haruki OGOSHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Apparatus and Method for Coherent Optical Multiplexing 1+1 Protection
Publication number
20230224060
Publication date
Jul 13, 2023
II-VI Delaware, Inc.
Peigang HU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MAIN SIGNAL PROCESSING NODE APPARATUS AND CONTROL METHOD OF...
Publication number
20230216591
Publication date
Jul 6, 2023
Nippon Telegraph and Telephone Corporation
Kota Asaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL AMPLIFIER BURST MODE COMMUNICATION WITH VARIABLE DUTY CYCLE
Publication number
20230208533
Publication date
Jun 29, 2023
X Development LLC
Bruce Moision
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Filter, Optical Amplifier, Communication System, Filtering Method,...
Publication number
20230084074
Publication date
Mar 16, 2023
Huawei Technologies Co., Ltd
Qiang Guo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SEMICONDUCTOR BASED SYSTEM AND METHOD FOR BROAD BANDWIDTH TRANSMISSION
Publication number
20230055670
Publication date
Feb 23, 2023
SubCom, LLC
Dmitri G. Foursa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION APPARATUS, OPTICAL COMMUNICATION SYSTEM AND O...
Publication number
20230030158
Publication date
Feb 2, 2023
Nippon Telegraph and Telephone Corporation
Takuya KANAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION EQUIPMENT, OPTICAL TRANSMISSION SYSTEM, AND RA...
Publication number
20230028166
Publication date
Jan 26, 2023
Fujitsu Limited
Takashi Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL AMPLIFIER, RECEIVER, OPTICAL TRANSMISSION SYSTEM, AND OPTIC...
Publication number
20220416897
Publication date
Dec 29, 2022
Nippon Telegraph and Telephone Corporation
Kohei Saito
H01 - BASIC ELECTRIC ELEMENTS