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Tomohiro TAKAMUKU
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Adaptive equalizer, adaptive equalization method, and optical commu...
Patent number
12,040,834
Issue date
Jul 16, 2024
NTT INNOVATIVE DEVICES CORPORATION
Tomohiro Takamuku
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive equalizer, equalization method, and optical communication...
Patent number
12,028,109
Issue date
Jul 2, 2024
NTT Innovative Devices Corporation
Tomohiro Takamuku
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive equalization device, adaptive equalization method, and com...
Patent number
11,611,395
Issue date
Mar 21, 2023
NTT Electronics Corporation
Tomohiro Takamuku
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase variation compensation device, phase variation compensation m...
Patent number
11,121,778
Issue date
Sep 14, 2021
NTT Electronics Corporation
Tomohiro Takamuku
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission characteristic compensation apparatus, transmission ch...
Patent number
10,608,743
Issue date
Mar 31, 2020
NTT Electronics Corporation
Tomohiro Takamuku
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Known signal detection method
Patent number
10,523,335
Issue date
Dec 31, 2019
NTT Electronics Corporation
Yasuharu Onuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chromatic dispersion estimating circuit, optical reception device a...
Patent number
10,422,719
Issue date
Sep 24, 2019
NTT Electronics Corporation
Etsushi Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase compensation device, phase compensation method and communicat...
Patent number
10,419,127
Issue date
Sep 17, 2019
NTT Electronics Corporation
Etsushi Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Compensation coefficient calculation method
Patent number
10,396,895
Issue date
Aug 27, 2019
NTT Electronics Corporation
Tomohiro Takamuku
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coherent optical reception device
Patent number
10,389,452
Issue date
Aug 20, 2019
Nippon Telegraph and Telephone Corporation
Kengo Horikoshi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission distortion compensation device, optical transm...
Patent number
10,374,718
Issue date
Aug 6, 2019
NTT Electronics Corporation
Yasuharu Onuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
ADAPTIVE EQUALIZER, EQUALIZATION METHOD, AND OPTICAL COMMUNICATION...
Publication number
20230170994
Publication date
Jun 1, 2023
NTT ELECTRONICS CORPORATION
Tomohiro TAKAMUKU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ADAPTIVE EQUALIZER, ADAPTIVE EQUALIZATION METHOD, AND OPTICAL COMMU...
Publication number
20220303012
Publication date
Sep 22, 2022
NTT ELECTRONICS CORPORATION
Tomohiro TAKAMUKU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ADAPTIVE EQUALIZATION DEVICE, ADAPTIVE EQUALIZATION METHOD, AND COM...
Publication number
20210344424
Publication date
Nov 4, 2021
NTT ELECTRONICS CORPORATION
Tomohiro TAKAMUKU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHASE VARIATION COMPENSATION DEVICE, PHASE VARIATION COMPENSATION M...
Publication number
20210273732
Publication date
Sep 2, 2021
NTT ELECTRONICS CORPORATION
Tomohiro TAKAMUKU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
KNOWN SIGNAL DETECTION METHOD
Publication number
20190165868
Publication date
May 30, 2019
NTT ELECTRONICS CORPORATION
Yasuharu ONUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION DISTORTION COMPENSATION DEVICE, OPTICAL TRANSM...
Publication number
20190132051
Publication date
May 2, 2019
NTT ELECTRONICS CORPORATION
Yasuharu ONUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION CHARACTERISTIC COMPENSATION APPARATUS, TRANSMISSION CH...
Publication number
20190074903
Publication date
Mar 7, 2019
NTT ELECTRONICS CORPORATION
Tomohiro TAKAMUKU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHASE COMPENSATION DEVICE, PHASE COMPENSATION METHOD AND COMMUNICAT...
Publication number
20190074909
Publication date
Mar 7, 2019
NTT ELECTRONICS CORPORATION
Etsushi YAMAZAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMPENSATION COEFFICIENT CALCULATION METHOD
Publication number
20190036613
Publication date
Jan 31, 2019
NTT ELECTRONICS CORPORATION
Tomohiro TAKAMUKU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COHERENT OPTICAL RECEPTION DEVICE
Publication number
20190013876
Publication date
Jan 10, 2019
Nippon Telegraph and Telephone Corporation
Kengo HORIKOSHI
G02 - OPTICS
Information
Patent Application
CHROMATIC DISPERSION ESTIMATING CIRCUIT, OPTICAL RECEPTION DEVICE A...
Publication number
20180252614
Publication date
Sep 6, 2018
NTT ELECTRONICS CORPORATION
Etsushi YAMAZAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE