Inventor
ARABORI NOBORU
JP7 patents
Patents
7 patentsUS4982815AJan 8, 1991
Elevator apparatus
HITACHI LTD29 citations92
US5025896AJun 25, 1991
Elevator control apparatus
HITACHI LTD35 citations91
US5067593ANov 26, 1991
Braking device for elevator winding machine and elevator using the braking device
HITACHI LTD24 citations90
US4869347ASep 26, 1989
Speed control apparatus for elevators
HITACHI LTD7 citations73
US4852694AAug 1, 1989
Elevator starting compensation method and apparatus
HITACHI LTD7 citations73
US4773508ASep 27, 1988
Elevator control apparatus
HITACHI LTD9 citations72
US6378661B1Apr 30, 2002
Elevator control system having an immersion proof structure
HITACHI LTD5 citations48