Inventor
MAEDA YASUYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “MAEDA YASUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS4319665AMar 16, 1982
AC Elevator control system
HITACHI LTD28 citations81
US4094385AJun 13, 1978
Levelling apparatus for AC elevator
HITACHI LTD27 citations79
US4441584AApr 10, 1984
AC Elevator control system
HITACHI LTD13 citations72
US4101819AJul 18, 1978
Three phase controlling system
HITACHI LTD13 citations72