Inventor
UMEDA YASUKAZU
JP15 patents
Patents
15 patentsUS4662479AMay 5, 1987
Operating apparatus for elevator
MITSUBISHI ELECTRIC CORP50 citations92
US4802557AFeb 7, 1989
Wait time prediction apparatus for elevator
MITSUBISHI ELECTRIC CORP20 citations82
US4562530ADec 31, 1985
Elevator traffic demand analyzing system
MITSUBISHI ELECTRIC CORP21 citations81
US4531616AJul 30, 1985
Elevator control system
MITSUBISHI ELECTRIC CORP20 citations81
US4244450AJan 13, 1981
Group supervisory system of elevator cars
MITSUBISHI ELECTRIC CORP19 citations80
US4724933AFeb 16, 1988
Display apparatus for elevator
MITSUBISHI ELECTRIC CORP16 citations74
US4682673AJul 28, 1987
Elevator control apparatus
MITSUBISHI ELECTRIC CORP8 citations74
US4663723AMay 5, 1987
Demand estimation apparatus
MITSUBISHI ELECTRIC CORP12 citations73
US4555000ANov 26, 1985
Apparatus for operating an elevator
MITSUBISHI ELECTRIC CORP10 citations73
US4509143AApr 2, 1985
Computer control system for selecting a desired control program from a plurality of control programs
MITSUBISHI ELECTRIC CORP8 citations72
US4410959AOct 18, 1983
Computer control system for selecting a desired control program from a plurality of control programs
MITSUBISHI ELECTRIC CORP17 citations72
US5285028AFeb 8, 1994
Group control method and apparatus for elevators for assignment of coincident calls
MITSUBISHI ELECTRIC CORP16 citations71
US4567558AJan 28, 1986
Elevator traffic demand analyzing system
MITSUBISHI ELECTRIC CORP12 citations70
US4685539AAug 11, 1987
Operating system for elevator
MITSUBISHI ELECTRIC CORP6 citations63
US4483418ANov 20, 1984
Elevator control system
MITSUBISHI ELECTRIC CORP2 citations61