Inventor
UESHIMA TAKAAKI
JP7 patents
Patents
7 patentsUS5892190AApr 6, 1999
Method and system of controlling elevators and method and apparatus of inputting requests to the control system
HITACHI LTD49 citations96
US5307903AMay 3, 1994
Method and system of controlling elevators and method and apparatus of inputting requests to the control system
HITACHI LTD54 citations96
US4852696AAug 1, 1989
Information device of elevator
HITACHI LTD104 citations96
US5010472AApr 23, 1991
Customer participatory elevator control system
HITACHI LTD56 citations95
US4947965AAug 14, 1990
Group-control method and apparatus for an elevator system with plural cages
HITACHI LTD68 citations95
US4989694AFeb 5, 1991
Elevator group supervisory system
HITACHI LTD56 citations94
US5239141AAug 24, 1993
Group management control method and apparatus for an elevator system
HITACHI LTD20 citations81