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Shigeru SUGAYAMA
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Ibaraki, JP
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Patents Grants
last 30 patents
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Patent Grant
Semiconductor device, and alternator and power converter using the...
Patent number
9,831,145
Issue date
Nov 28, 2017
Hitachi Power Semiconductor Device, Ltd.
Tetsuya Ishimaru
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Semiconductor Device, and Alternator and Power Converter Using the...
Publication number
20170263516
Publication date
Sep 14, 2017
Hitachi Power Semiconductor Device, Ltd.
Tetsuya ISHIMARU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Synchronous Rectifier and Alternator Using the Same
Publication number
20160099658
Publication date
Apr 7, 2016
Hitachi Power Semiconductor Device, Ltd.
Tetsuya ISHIMARU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER