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Bunji Furuyama
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Hitachi, JP
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last 30 patents
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Patent Grant
Position detecting device and synchronous motor driving device usin...
Patent number
7,746,023
Issue date
Jun 29, 2010
Hitachi, Ltd.
Toshiyuki Ajima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
Position Detecting Device and Synchronous Motor Driving Device Usin...
Publication number
20100045219
Publication date
Feb 25, 2010
HITACHI, LTD.
Toshiyuki Ajima
G01 - MEASURING TESTING
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Patent Application
Position detecting device and synchronous motor driving device usin...
Publication number
20070132423
Publication date
Jun 14, 2007
Hitachi, Ltd
Toshiyuki Ajima
G01 - MEASURING TESTING