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Kenji Ogawa
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Coordinating controller for electric power equipment
Patent number
7,197,378
Issue date
Mar 27, 2007
Hitachi, Ltd.
Yasuo Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Power supply apparatus comprising a voltage detection circuit and m...
Patent number
6,462,924
Issue date
Oct 8, 2002
Hitachi, Ltd.
Masahiro Watanabe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Coordinating controller for electric power equipment
Publication number
20040207264
Publication date
Oct 21, 2004
Yasuo Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
POWER SUPPLY APPARATUS COMPRISING A VOLTAGE DETECTION CIRCUIT AND M...
Publication number
20020118554
Publication date
Aug 29, 2002
Masahiro Watanabe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER