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Chieko UMENO
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Tokyo, JP
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last 30 patents
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Patent Grant
Power conversion apparatus and power conversion system
Patent number
11,881,710
Issue date
Jan 23, 2024
TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
Chieko Umeno
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Fault detecting apparatus and detecting method of the same
Patent number
9,863,992
Issue date
Jan 9, 2018
TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
Tatsuaki Ambo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
POWER CONVERSION APPARATUS AND POWER CONVERSION SYSTEM
Publication number
20220320863
Publication date
Oct 6, 2022
TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
Chieko UMENO
G05 - CONTROLLING REGULATING
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Patent Application
FAULT DETECTING APPARATUS AND DETECTING METHOD OF THE SAME
Publication number
20140306713
Publication date
Oct 16, 2014
TOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYS. CORP.
Tatsuaki AMBO
G01 - MEASURING TESTING