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Kazuhiro Hamasuna
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Fukuoka, JP
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last 30 patents
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Patent Grant
Electric motor controller resonance frequency detection apparatus
Patent number
6,903,530
Issue date
Jun 7, 2005
Kabushiki Kaisha Yaskawa Denki
Takehiko Komiya
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
Electric motor controller resonance frequency detection apparatus
Publication number
20040239279
Publication date
Dec 2, 2004
Takehiko Komiya
G01 - MEASURING TESTING