Inventor
YAMASHITA SEIZI
JP16 patents
Patents
16 patentsUS4874053AOct 17, 1989
Torque detecting apparatus
HITACHI LTD118 citations96
US4818939AApr 4, 1989
Apparatus for magnetically detecting position or speed or moving body utilizing bridge circuit with series connected MR elements
HITACHI LTD62 citations96
US4403161ASep 6, 1983
Permanent magnet rotor
HITACHI LTD93 citations96
US4857786AAug 15, 1989
Structure of stepping motor and method of driving the stepping motor
HITACHI LTD79 citations95
US4144469AMar 13, 1979
Stress protection for permanent magnet type synchronous motor
HITACHI LTD56 citations95
US4678971AJul 7, 1987
Linear motor and control method thereof
HITACHI LTD38 citations92
US4454438AJun 12, 1984
Synchronized induction motor
HITACHI LTD82 citations92
US4336475AJun 22, 1982
Slotless brushless motor
HITACHI LTD52 citations92
US4875539AOct 24, 1989
Electric power steering control system
HITACHI LTD45 citations91
US4409506AOct 11, 1983
Induction motor
HITACHI LTD27 citations81
USRE34443ENov 16, 1993
Apparatus magnetically detecting position or speed of moving body utilizing bridge circuit with series connected MR elements
HITACHI LTD7 citations74
US4451752AMay 29, 1984
Stator of D.C. rotary machine
HITACHI LTD18 citations74
US4166235AAug 28, 1979
Magnetron comprising ferromagnetic material members axially magnetized in opposite directions
HITACHI LTD7 citations73
US4039871AAug 2, 1977
Cooling device for use in a low inertia electric motor
HITACHI LTD17 citations73
US4341971AJul 27, 1982
Armature of electric rotating machine
HITACHI LTD18 citations71
US5101148AMar 31, 1992
Electric motor actuator
HITACHI LTD4 citations62