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Yosuke Kawakubo
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Odawara, JP
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Patents Grants
last 30 patents
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Patent Grant
Digital control switching power-supply device and information proce...
Patent number
RE43946
Issue date
Jan 29, 2013
Hitachi, Ltd.
Takashi Sase
323 - Electricity: power supply or regulation systems
Information
Patent Grant
Digital control switching power-supply device and information proce...
Patent number
7,990,122
Issue date
Aug 2, 2011
Hitachi, Ltd.
Takashi Sase
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Marginal check voltage setting means built-in power-supply device
Patent number
7,615,980
Issue date
Nov 10, 2009
Hitachi, Ltd.
Takashi Sase
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Over-current detection circuit and method for power-supply device
Patent number
7,403,365
Issue date
Jul 22, 2008
Hitachi, Ltd.
Takashi Sase
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
POWER-SUPPLY DEVICE, IC CIRCUIT, AND INFORMATION PROCESSING APPARAT...
Publication number
20090021227
Publication date
Jan 22, 2009
Takashi Sase
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DIGITAL CONTROL SWITCHING POWER-SUPPLY DEVICE AND INFORMATION PROCE...
Publication number
20080252277
Publication date
Oct 16, 2008
Takashi Sase
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Over-current detection circuit and method for power-supply device
Publication number
20070188958
Publication date
Aug 16, 2007
HITACHI, LTD.
Takashi Sase
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Marginal check voltage setting means built-in power-supply device
Publication number
20070120540
Publication date
May 31, 2007
Takashi Sase
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER