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Shunji Kimura
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Yokosuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Amplifier
Patent number
10,892,716
Issue date
Jan 12, 2021
Nippon Telegraph and Telephone Corporation
Shinsuke Nakano
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Station-side device and wavelength changeover method
Patent number
10,230,485
Issue date
Mar 12, 2019
Nippon Telegraph and Telephone Corporation
Tomoaki Yoshida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system, station-side device, subscriber devic...
Patent number
10,009,137
Issue date
Jun 26, 2018
Nippon Telegraph and Telephone Corporation
Tomoaki Yoshida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
WDM/TDM-PON system and transmission start time correction method th...
Patent number
9,871,614
Issue date
Jan 16, 2018
Nippon Telegraph and Telephone Corporation
Tomoaki Yoshida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength and bandwidth allocation method
Patent number
9,838,149
Issue date
Dec 5, 2017
Nippon Telegraph and Telephone Corporation
Shinya Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and optical communication abnormality-...
Patent number
9,780,867
Issue date
Oct 3, 2017
Nippon Telegraph and Telephone Corporation
Tomoaki Yoshida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Protection method and optical communication system
Patent number
9,768,908
Issue date
Sep 19, 2017
Nippon Telegraph and Telephone Corporation
Shin Kaneko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Discovery method, optical communication method, and optical communi...
Patent number
9,479,284
Issue date
Oct 25, 2016
Nippon Telegraph and Telephone Corporation
Shin Kaneko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength and bandwidth allocation method
Patent number
9,350,482
Issue date
May 24, 2016
Nippon Telegraph and Telephone Corporation
Shinya Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bandwidth allocation device and bandwidth allocation method
Patent number
9,236,971
Issue date
Jan 12, 2016
Nippon Telegraph and Telephone Corporation
Shinya Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Arrayed waveguide grating, optical module provided with said arraye...
Patent number
9,116,305
Issue date
Aug 25, 2015
Nippon Telegraph and Telephone Corporation
Hirotaka Nakamura
G02 - OPTICS
Information
Patent Grant
Bit-rate discrimination method and its apparatus
Patent number
8,369,713
Issue date
Feb 5, 2013
Nippon Telegraph and Telephone Corporation
Kazutaka Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modulation method, modulation program, recording medium, modulation...
Patent number
8,094,692
Issue date
Jan 10, 2012
Nippon Telegraph and Telephone Corporation
Hirotaka Nakamura
G02 - OPTICS
Information
Patent Grant
Automatic bit rate control circuit
Patent number
7,936,842
Issue date
May 3, 2011
Nippon Telegraph and Telephone Corporation
Shunji Kimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bit rate discrimination circuit based on a low frequency component...
Patent number
7,881,414
Issue date
Feb 1, 2011
Nippon Telegraph and Telephone Corporation
Shunji Kimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
AMPLIFIER
Publication number
20200036344
Publication date
Jan 30, 2020
Nippon Telegraph and Telephone Corporation
Shinsuke Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STATION-SIDE DEVICE AND WAVELENGTH CHANGEOVER METHOD
Publication number
20180131461
Publication date
May 10, 2018
Nippon Telegraph and Telephone Corporation
Tomoaki YOSHIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM, STATION-SIDE DEVICE, SUBSCRIBER DEVIC...
Publication number
20170207875
Publication date
Jul 20, 2017
Nippon Telegraph and Telephone Corporation
Tomoaki YOSHIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WDM/TDM-PON SYSTEM AND TRANSMISSION START TIME CORRECTION METHOD TH...
Publication number
20170170923
Publication date
Jun 15, 2017
Nippon Telegraph and Telephone Corporation
Tomoaki YOSHIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION ABNORMALITY-...
Publication number
20160269105
Publication date
Sep 15, 2016
Nippon Telegraph and Telephone Corporation
Tomoaki YOSHIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROTECTION METHOD AND OPTICAL COMMUNICATION SYSTEM
Publication number
20160248539
Publication date
Aug 25, 2016
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Shin KANEKO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISCOVERY METHOD, OPTICAL COMMUNICATION METHOD, AND OPTICAL COMMUNI...
Publication number
20150341137
Publication date
Nov 26, 2015
Shin KANEKO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ARRAYED WAVEGUIDE GRATING, OPTICAL MODULE PROVIDED WITH SAID ARRAYE...
Publication number
20140376861
Publication date
Dec 25, 2014
Hirotaka Nakamura
G02 - OPTICS
Information
Patent Application
WAVELENGTH AND BANDWIDTH ALLOCATION METHOD
Publication number
20140355992
Publication date
Dec 4, 2014
Shinya Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH AND BANDWIDTH ALLOCATION METHOD
Publication number
20140334823
Publication date
Nov 13, 2014
Shinya Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BANDWIDTH ALLOCATION DEVICE AND BANDWIDTH ALLOCATION METHOD
Publication number
20140294391
Publication date
Oct 2, 2014
Nippon Telegraph and Telephone Corporation
Shinya Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bit-Rate Discrimination Method and Its Apparatus
Publication number
20110229152
Publication date
Sep 22, 2011
Nippon Telegraph and Telephone Corporation
Kazutaka Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MODULATION METHOD, MODULATION PROGRAM, RECORDING MEDIUM, MODULATION...
Publication number
20110033193
Publication date
Feb 10, 2011
Nippon Telegraph and Telephone Corporation
Hirotaka Nakamura
G02 - OPTICS
Information
Patent Application
Automatic bit rate control circuit
Publication number
20060268969
Publication date
Nov 30, 2006
Shunji Kimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bit rate determination circuit based on low bit rate signal
Publication number
20060159163
Publication date
Jul 20, 2006
Nippon Telegraph and Telephone Corporation
Shunji Kimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE