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Tetsuharu Ohya
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Fujisawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Diagnosis system and diagnosis method for photovoltaic power genera...
Patent number
10,340,849
Issue date
Jul 2, 2019
Hitachi, Ltd.
Toru Kouno
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Solar power generation system and failure diagnosis method therefor
Patent number
10,312,858
Issue date
Jun 4, 2019
Hitachi, Ltd.
Toru Kouno
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Failure diagnosis method and failure diagnosis system for photovolt...
Patent number
9,998,071
Issue date
Jun 12, 2018
Hitachi, Ltd.
Toru Kouno
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
DIAGNOSIS SYSTEM AND DIAGNOSIS METHOD FOR PHOTOVOLTAIC POWER GENERA...
Publication number
20170170781
Publication date
Jun 15, 2017
Hitachi, Ltd
Toru KOUNO
G01 - MEASURING TESTING
Information
Patent Application
Solar Power Generation System and Failure Diagnosis Method Therefor
Publication number
20160233830
Publication date
Aug 11, 2016
Hitachi, Ltd
Toru KOUNO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAILURE DIAGNOSIS METHOD AND FAILURE DIAGNOSIS SYSTEM FOR PHOTOVOLT...
Publication number
20150094967
Publication date
Apr 2, 2015
Hitachi, Ltd
Toru KOUNO
G01 - MEASURING TESTING
Information
Patent Application
Information management method
Publication number
20050102312
Publication date
May 12, 2005
Tetsuharu Ohya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System for calculating insurance premium
Publication number
20030236686
Publication date
Dec 25, 2003
Hitachi, Ltd
Kiyotaka Matsumoto
G06 - COMPUTING CALCULATING COUNTING