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Shigekazu Zemba
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Fujisawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Power supply with uninterruptible function
Patent number
7,053,502
Issue date
May 30, 2006
Hitachi, Ltd.
Nobuyuki Aihara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Power supply with uninterruptible function
Patent number
6,795,322
Issue date
Sep 21, 2004
Hitachi, Ltd.
Nobuyuki Aihara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Power supply with uninterruptible function
Publication number
20050078494
Publication date
Apr 14, 2005
NOBUYUKI AIHARA
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Patent Application
Power Supply With Uninterrupted Function
Publication number
20020071292
Publication date
Jun 13, 2002
NOBUYUKI AIHARA
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC