Inventor
OKACHI HIROAKI
JP4 patents
Patents
4 patentsUS5459386AOct 17, 1995
Motor drive control apparatus having a plurality of motor characteristics
MITSUBISHI ELECTRIC CORP40 citations89
US4751447AJun 14, 1988
AC motor speed control apparatus
MITSUBISHI ELECTRIC CORP21 citations78
US5260631ANov 9, 1993
Spindle position/speed control unit
MITSUBISHI ELECTRIC CORP13 citations71
US5197363AMar 30, 1993
Spindle driving device for a machine tool
MITSUBISHI ELECTRIC CORP3 citations60