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Masao Takahashi
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Solid-state image pickup device and control method of solid-state i...
Patent number
10,986,291
Issue date
Apr 20, 2021
Kabushiki Kaisha Toshiba
Masao Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sagnac interferometer-type fiber-optic current sensor
Patent number
9,389,248
Issue date
Jul 12, 2016
Kabushiki Kaisha Toshiba
Kinichi Sasaki
G01 - MEASURING TESTING
Information
Patent Grant
Solid-state imaging device with plural CCD registers
Patent number
8,993,950
Issue date
Mar 31, 2015
Kabushiki Kaisha Toshiba
Masao Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
SAGNAC interferometer-type fiber-optic current sensor
Patent number
8,836,950
Issue date
Sep 16, 2014
Kabushiki Kaisha Toshiba
Kinichi Sasaki
G01 - MEASURING TESTING
Information
Patent Grant
Optical voltage sensor
Patent number
8,829,890
Issue date
Sep 9, 2014
Kabushiki Kaisha Toshiba
Masao Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Phase modulator, phase modulator assembly, and photosensor
Patent number
8,319,958
Issue date
Nov 27, 2012
Kabushiki Kaisha Toshiba
Kinichi Sasaki
G01 - MEASURING TESTING
Information
Patent Grant
Optical voltage transformer
Patent number
8,115,473
Issue date
Feb 14, 2012
Kabushiki Kaisha Toshiba
Junichi Sato
G01 - MEASURING TESTING
Information
Patent Grant
System for protecting and controlling substation main circuit compo...
Patent number
6,845,301
Issue date
Jan 18, 2005
Kabushiki Kaisha Toshiba
Koichi Hamamatsu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sagnac interferometer current sensor
Patent number
6,831,749
Issue date
Dec 14, 2004
Japan Aviation Electronics Industry Limited
Aritaka Ohno
G01 - MEASURING TESTING
Information
Patent Grant
Optical current transformer
Patent number
6,281,672
Issue date
Aug 28, 2001
Kabushiki Kaisha Toshiba
Kiyohisa Terai
G01 - MEASURING TESTING
Information
Patent Grant
Optical current measurement device and method of manufacturing it
Patent number
5,933,238
Issue date
Aug 3, 1999
Kabushiki Kaisha Toshiba
Sakae Ikuta
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber cable and a method for manufacturing the same
Patent number
5,915,059
Issue date
Jun 22, 1999
Kabushiki Kaisha Toshiba
Masao Takahashi
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Device for optically measuring physical quantity in power equipment...
Patent number
5,844,410
Issue date
Dec 1, 1998
Kabushiki Kaisha Toshiba
Sakae Ikuta
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SOLID-STATE IMAGE PICKUP DEVICE AND CONTROL METHOD OF SOLID-STATE I...
Publication number
20200304738
Publication date
Sep 24, 2020
KABUSHIKI KAISHA TOSHIBA
Masao TAKAHASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SAGNAC INTERFEROMETER-TYPE FIBER-OPTIC CURRENT SENSOR
Publication number
20140347671
Publication date
Nov 27, 2014
KABUSHIKI KAISHA TOSHIBA
Kinichi SASAKI
G01 - MEASURING TESTING
Information
Patent Application
SOLID-STATE IMAGING DEVICE
Publication number
20140061434
Publication date
Mar 6, 2014
Kabushiki Kaisha Toshiba
Masao TAKAHASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL VOLTAGE SENSOR
Publication number
20110234202
Publication date
Sep 29, 2011
Masao Takahashi
G01 - MEASURING TESTING
Information
Patent Application
SAGNAC INTERFEROMETER-TYPE FIBER-OPTIC CURRENT SENSOR
Publication number
20110141478
Publication date
Jun 16, 2011
Kabushiki Kaisha Toshiba
Kinichi SASAKI
G01 - MEASURING TESTING
Information
Patent Application
PHASE MODULATOR, PHASE MODULATOR ASSEMBLY, AND PHOTOSENSOR
Publication number
20100315621
Publication date
Dec 16, 2010
Kinichi Sasaki
G02 - OPTICS
Information
Patent Application
OPTICAL VOLTAGE TRANSFORMER
Publication number
20100109642
Publication date
May 6, 2010
Kabushiki Kaisha Toshiba
Junichi Sato
G01 - MEASURING TESTING
Information
Patent Application
Sagnac interferometer current sensor
Publication number
20020122183
Publication date
Sep 5, 2002
Aritaka Ohno
G01 - MEASURING TESTING
Information
Patent Application
System for protecting and controlling substation main circuit compo...
Publication number
20020116092
Publication date
Aug 22, 2002
Koichi Hamamatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE