Kouichi HARA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voltage/reactive power operation assisting device and assisting met...
- Patent number 10,581,245
- Issue date Mar 3, 2020
- Hitachi, Ltd.
- Eisuke Kuroda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage stability monitoring device and method
- Patent number 10,473,700
- Issue date Nov 12, 2019
- Hitachi, Ltd.
- Eisuke Kuroda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System stabilizing control device and method
- Patent number 10,263,426
- Issue date Apr 16, 2019
- Hitachi, Ltd.
- Ryo Yamaguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power system monitoring apparatus, power system control apparatus,...
- Patent number 10,193,385
- Issue date Jan 29, 2019
- Hitachi, Ltd.
- Yasuo Sato
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
DATA ANALYSIS DEVICE, POWER FLOW ANALYSIS DEVICE, AND DATA ANALYSIS...
- Publication number 20210004430
- Publication date Jan 7, 2021
- Hitachi, Ltd
- Sumito TOBE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOLTAGE/REACTIVE POWER OPERATION ASSISTING DEVICE AND ASSISTING MET...
- Publication number 20190280481
- Publication date Sep 12, 2019
- Hitachi, Ltd
- Eisuke KURODA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SYSTEM STABILIZATION DEVICE AND METHOD
- Publication number 20170353033
- Publication date Dec 7, 2017
- Hitachi, Ltd
- Eisuke KURODA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM STABILIZING CONTROL DEVICE AND METHOD
- Publication number 20170310113
- Publication date Oct 26, 2017
- Hitachi, Ltd
- Ryo YAMAGUCHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Voltage Stability Monitoring Device and Method
- Publication number 20170045558
- Publication date Feb 16, 2017
- Hitachi, Ltd
- Eisuke KURODA
- G01 - MEASURING TESTING
Information Patent Application
POWER SYSTEM MONITORING APPARATUS, POWER SYSTEM CONTROL APPARATUS,...
- Publication number 20160359363
- Publication date Dec 8, 2016
- Hitachi, Ltd
- Yasuo SATO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER