Inventor
ENDO TUNEHIRO
JP10 patents
Patents
10 patentsUS5463299AOct 31, 1995
Current controller for controlling a current flowing in a load using a PWM inverter and method used thereby
HITACHI LTD81 citations95
US4879502ANov 7, 1989
Speed control apparatus and method for motors
HITACHI LTD84 citations95
US4726738AFeb 23, 1988
Motor-driven compressor provided with torque control device
HITACHI LTD61 citations94
US6828752B2Dec 7, 2004
Driving equipment and semiconductor equipment for alternating-current motor
HITACHI LTD42 citations92
US5184057AFeb 2, 1993
Control method and device for ac motor
HITACHI LTD35 citations92
US4958406ASep 25, 1990
Method and apparatus for operating vacuum cleaner
HITACHI LTD41 citations92
US5381584AJan 17, 1995
Vacuum cleaner
HITACHI LTD27 citations91
US4980617ADec 25, 1990
Speed control apparatus of movable equipment
HITACHI LTD34 citations90
US7224133B2May 29, 2007
Control apparatus, dual chip inverter and single chip inverter of AC motors
HITACHI LTD12 citations84
US4166235AAug 28, 1979
Magnetron comprising ferromagnetic material members axially magnetized in opposite directions
HITACHI LTD7 citations73