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Takehiro Nakano
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical transmission line monitoring apparatus, optical transmissio...
Patent number
11,483,068
Issue date
Oct 25, 2022
NEC Corporation
Takehiro Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical relay, optical relay control method, and optical transmissi...
Patent number
11,070,305
Issue date
Jul 20, 2021
NEC Corporation
Takehiro Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-density submarine ROADM unit with remote WSS redundancy
Patent number
10,855,392
Issue date
Dec 1, 2020
NEC Corporation
Eduardo Mateo Rodriguez
G02 - OPTICS
Information
Patent Grant
Optical transmitter, optical transmission device, optical transmiss...
Patent number
10,594,392
Issue date
Mar 17, 2020
NEC Corporation
Takehiro Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization dispersion adder and optical receiver
Patent number
10,338,316
Issue date
Jul 2, 2019
NEC Corporation
Takehiro Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Antenna coil
Patent number
8,378,912
Issue date
Feb 19, 2013
Sumida Corporation
Tatsumi Nishino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transmission line monitoring system
Patent number
8,290,361
Issue date
Oct 16, 2012
NEC Corporation
Takehiro Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coil parts
Patent number
8,044,875
Issue date
Oct 25, 2011
Sumida Corporation
Tatsumi Nishino
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL PATH STATE ASSESSMENT DEVICE, OPTICAL TRANSMISSION SYSTEM,...
Publication number
20240356637
Publication date
Oct 24, 2024
NEC Corporation
Takehiro NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION PATH MONITORING DEVICE AND OPTICAL TRANSMISSIO...
Publication number
20240235670
Publication date
Jul 11, 2024
NEC Corporation
Takehiro NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION PATH MONITORING DEVICE AND OPTICAL TRANSMISSIO...
Publication number
20240137117
Publication date
Apr 25, 2024
NEC Corporation
Takehiro NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM AND METHOD FOR CONTROLLING COMMUNICATION SYSTEM
Publication number
20230344521
Publication date
Oct 26, 2023
NEC CORPORATION
Yutaka YANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT-TRANSMISSION-PATH-SPECTRUM MEASUREMENT DEVICE, LIGHT-TRANSMIS...
Publication number
20220187163
Publication date
Jun 16, 2022
NEC Corportation
Takehiro NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION LINE MONITORING APPARATUS, OPTICAL TRANSMISSIO...
Publication number
20220006524
Publication date
Jan 6, 2022
NEC Corporation
Takehiro NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MANAGEMENT DEVICE, AND IDENTIFICATION METHOD AND RECORDING MEDIUM S...
Publication number
20200295826
Publication date
Sep 17, 2020
NEC Corporation
Takehiro NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HIGH-DENSITY SUBMARINE ROADM UNIT WITH REMOTE WSS REDUNDANCY
Publication number
20200153531
Publication date
May 14, 2020
NEC Laboratories America, Inc.
Eduardo Mateo RODRIGUEZ
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HIGH-DENSITY SUBMARINE ROADM UNIT WITH REMOTE WSS REDUNDANCY
Publication number
20200153532
Publication date
May 14, 2020
NEC Laboratories America, Inc.
Eduardo Mateo RODRIGUEZ
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RELAY, OPTICAL RELAY CONTROL METHOD, AND OPTICAL TRANSMISSI...
Publication number
20200067622
Publication date
Feb 27, 2020
NEC Corporation
Takehiro NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTER, OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISS...
Publication number
20180219617
Publication date
Aug 2, 2018
NEC Corporation
Takehiro NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION DISPERSION ADDER AND OPTICAL RECEIVER
Publication number
20170254957
Publication date
Sep 7, 2017
NEC Corporation
Takehiro NAKANO
G02 - OPTICS
Information
Patent Application
TRANSMISSION LINE MONITORING SYSTEM
Publication number
20090324231
Publication date
Dec 31, 2009
TAKEHIRO NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COIL PARTS
Publication number
20090309803
Publication date
Dec 17, 2009
Sumida Corporation
Tatsumi Nishino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ANTENNA COIL
Publication number
20090115682
Publication date
May 7, 2009
Sumida Corporation
Tatsumi Nishino
H01 - BASIC ELECTRIC ELEMENTS