Yasuo Satou

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power supply and power supply method upon interruption of electric...
- Patent number 7,545,053
- Issue date Jun 9, 2009
- Hitachi, Ltd.
- Toshifumi Yoshikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power supply and power supply method upon interruption of electric...
- Publication number 20050231869
- Publication date Oct 20, 2005
- Toshifumi Yoshikawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC