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Satoshi Tomioka
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Nagaoka, JP
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Patents Grants
last 30 patents
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Patent Grant
Overvoltage protection circuit, and power source, power supply syst...
Patent number
7,355,829
Issue date
Apr 8, 2008
Hitachi, Ltd.
Hideho Yamamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching power supply
Patent number
6,711,035
Issue date
Mar 23, 2004
Densei-Lambda Kabushiki Kaisha
Satoshi Tomioka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
On board mounting electronic apparatus and on board mounting electr...
Patent number
6,643,135
Issue date
Nov 4, 2003
Densei-Lambda Kabushiki Kaisha
Satoshi Tomioka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Overvoltage protection circuit, and power source, power supply syst...
Publication number
20050078424
Publication date
Apr 14, 2005
Hideho Yamamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER