Rumi Nakai

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Step-up power supply device
- Patent number 7,567,069
- Issue date Jul 28, 2009
- Panasonic Corporation
- Takashi Ryu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Step-up power supply device
- Publication number 20080074158
- Publication date Mar 27, 2008
- Takashi Ryu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER