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Hisato HIRASAKA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wireless power transmission apparatus
Patent number
10,804,708
Issue date
Oct 13, 2020
Sony Corporation
Hisato Hirasaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Wireless power transmission apparatus
Patent number
9,793,762
Issue date
Oct 17, 2017
Sony Corporation
Hisato Hirasaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Wireless power transmission apparatus
Patent number
9,300,145
Issue date
Mar 29, 2016
Sony Corporation
Hisato Hirasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Recording/reproducing apparatus and recording/reproducing method
Patent number
8,266,502
Issue date
Sep 11, 2012
Sony Corporation
Tsutomu Harada
G11 - INFORMATION STORAGE
Information
Patent Grant
Capacitance change measuring circuit of capacitive sensor device, c...
Patent number
8,174,271
Issue date
May 8, 2012
Sony Corporation
Hisato Hirasaka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method of adjusting magnetic head of magnetic tape recording and re...
Patent number
7,453,665
Issue date
Nov 18, 2008
Sony Corporation
Hisato Hirasaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproducing apparatus and cross talk cancel method
Patent number
7,372,791
Issue date
May 13, 2008
Sony Corporation
Hisato Hirasaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal-processing circuit, and recording and playback apparatus emp...
Patent number
6,996,168
Issue date
Feb 7, 2006
Sony Corporation
Hisato Hirasaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and rotary head drum device
Patent number
6,954,334
Issue date
Oct 11, 2005
Sony Corporation
Toshiaki Wakita
G11 - INFORMATION STORAGE
Information
Patent Grant
Data reproducing apparatus equipped with adaptive processing circuit
Patent number
6,124,997
Issue date
Sep 26, 2000
Sony Corporation
Hisato Hirasaka
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
WIRELESS POWER TRANSMISSION APPARATUS
Publication number
20180019617
Publication date
Jan 18, 2018
SONY CORPORATION
Hisato Hirasaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
WIRELESS POWER TRANSMISSION APPARATUS
Publication number
20160181872
Publication date
Jun 23, 2016
SONY CORPORATION
Hisato HIRASAKA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
WIRELESS POWER TRANSMISSION APPARATUS
Publication number
20110193417
Publication date
Aug 11, 2011
SONY CORPORATION
Hisato Hirasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CAPACITANCE CHANGE MEASURING CIRCUIT OF CAPACITIVE SENSOR DEVICE, C...
Publication number
20100066391
Publication date
Mar 18, 2010
SONY CORPORATION
Hisato HIRASAKA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RECORDING/REPRODUCING APPARATUS AND RECORDING/REPRODUCING METHOD
Publication number
20090158125
Publication date
Jun 18, 2009
SONY CORPORATION
Tsutomu HARADA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method of adjusting magnetic head of magnetic tape recording and re...
Publication number
20070064336
Publication date
Mar 22, 2007
Hisato Hirasaka
G11 - INFORMATION STORAGE
Information
Patent Application
Recorder/reproducer
Publication number
20040264941
Publication date
Dec 30, 2004
Hisato Hirasaka
G11 - INFORMATION STORAGE
Information
Patent Application
Recording/reproducing apparatus and cross talk cancel method
Publication number
20040257935
Publication date
Dec 23, 2004
Hisato Hirasaka
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and rotary head drum device
Publication number
20030223151
Publication date
Dec 4, 2003
Toshiaki Wakita
G11 - INFORMATION STORAGE
Information
Patent Application
Signal-processing circuit, and recording and playback apparatus emp...
Publication number
20020122478
Publication date
Sep 5, 2002
Hisato Hirasaka
G11 - INFORMATION STORAGE