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Yoichi YAMAMOTO
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Fukuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Elevator control device with carrier frequency switch circuit
Patent number
8,348,020
Issue date
Jan 8, 2013
Kabushiki Kaisha Yaskawa Denki
Hiroaki Ohya
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Control device for induction motor
Patent number
8,106,621
Issue date
Jan 31, 2012
Kabushiki Kaisha Yaskawa Denki
Sadayuki Sato
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Inverter controller and method for operating the same
Patent number
8,076,896
Issue date
Dec 13, 2011
Kabushiki Kaisha Yaskawa Denki
Yoichi Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and device for sensorless vector control for AC motor
Patent number
7,463,005
Issue date
Dec 9, 2008
Kabushiki Kaisha Yaskawa Denki
Hideaki Iura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sensorless vector control method for alternating-current motor and...
Patent number
7,423,395
Issue date
Sep 9, 2008
Kabushiki Kaisha Yaskawa Denki
Hideaki Iura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Voltage source inverter control method
Patent number
7,362,069
Issue date
Apr 22, 2008
Kabushiki Kaisha Yaskawa Denki
Yoichi Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of controlling AC motor and controller
Patent number
6,815,924
Issue date
Nov 9, 2004
Kabushiki Kaisha Yaskawa Denki
Hideaki Iura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Vector control unit for an induction motor
Patent number
5,448,150
Issue date
Sep 5, 1995
Kabushiki Kaisha Yaskawa Denki
Yoichi Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
ELEVATOR CONTROL DEVICE
Publication number
20110056771
Publication date
Mar 10, 2011
KABUSHIKI KAISHA YASKAWA DENKI
Hiroaki OHYA
B66 - HOISTING LIFTING HAULING
Information
Patent Application
CONTROL DEVICE FOR INDUCTION MOTOR
Publication number
20100085006
Publication date
Apr 8, 2010
KABUSHIKI KAISHA YASKAWA DENKI
Sadayuki SATO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INVERTER CONTROLLER AND METHOD FOR OPERATING THE SAME
Publication number
20090230903
Publication date
Sep 17, 2009
KABUSHIKI KAISHA YASKAWA DENKI
Yoichi Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Voltage source inverter control method
Publication number
20070030705
Publication date
Feb 8, 2007
Kabushiki Kaisha Yaskawa Denki
Yoichi Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method and device for sensorless vector control for ac motor
Publication number
20070018606
Publication date
Jan 25, 2007
Hideaki Iura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Motor controller and out of control detecting method
Publication number
20060138992
Publication date
Jun 29, 2006
Kabushiki Kaisha Yaskawa Denki
Yoichi Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Ac generator sensor-less vector control method and control device t...
Publication number
20060049795
Publication date
Mar 9, 2006
Kabushiki Kaisha Yaskawa Denki
Hideaki Iura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER