Ryo Egashira

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voltage adjustment device for power distribution system, voltage ad...
- Patent number 9,606,554
- Issue date Mar 28, 2017
- Hitachi, Ltd.
- Masahiro Watanabe
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Photovoltaic Power Generator Output Estimation Method and Device, a...
- Publication number 20170012580
- Publication date Jan 12, 2017
- Hitachi, Ltd
- Masahiro WATANABE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE ADJUSTMENT DEVICE FOR POWER DISTRIBUTION SYSTEM, VOLTAGE AD...
- Publication number 20150286227
- Publication date Oct 8, 2015
- Hitachi, Ltd
- Masahiro Watanabe
- G05 - CONTROLLING REGULATING