Inventor
KOMURO KATSU
10 patents
Patents
10 patentsUS4787021ANov 22, 1988
Current-type converter apparatus
HITACHI LTD26 citations92
US4319665AMar 16, 1982
AC Elevator control system
HITACHI LTD28 citations81
US4094385AJun 13, 1978
Levelling apparatus for AC elevator
HITACHI LTD27 citations79
US4779709AOct 25, 1988
Apparatus for controlling AC elevators
HITACHI LTD8 citations73
US4039866AAug 2, 1977
Thyristor control apparatus
HITACHI LTD8 citations73
US4773508ASep 27, 1988
Elevator control apparatus
HITACHI LTD9 citations72
US4441584AApr 10, 1984
AC Elevator control system
HITACHI LTD13 citations72
US4101819AJul 18, 1978
Three phase controlling system
HITACHI LTD13 citations72
US4100435AJul 11, 1978
Phase control apparatus
HITACHI LTD7 citations72
US4661757AApr 28, 1987
Controller for AC elevator
HITACHI LTD6 citations57