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Kenzi Yoneda
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Katsuta, JP
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last 30 patents
Information
Patent Grant
Group control of elevator system improvement measures
Patent number
5,283,399
Issue date
Feb 1, 1994
Hitachi, Ltd.
Atsuya Fujino
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Group management control method and apparatus for an elevator system
Patent number
5,239,141
Issue date
Aug 24, 1993
Hitachi, Ltd.
Toshimitsu Tobita
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator control system
Patent number
5,042,620
Issue date
Aug 27, 1991
Hitachi, Ltd.
Kenzi Yoneda
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Customer participatory elevator control system
Patent number
5,010,472
Issue date
Apr 23, 1991
Hitachi, Ltd.
Kenzi Yoneda
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Display guide apparatus of elevator and its display method
Patent number
4,995,479
Issue date
Feb 26, 1991
Hitachi, Ltd.
Michio Fujiwara
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator control system
Patent number
4,958,707
Issue date
Sep 25, 1990
Hitachi, Ltd.
Kenzi Yoneda
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Group-control method and apparatus for an elevator system with plur...
Patent number
4,947,965
Issue date
Aug 14, 1990
Hitachi, Ltd.
Soshiro Kuzunuki
B66 - HOISTING LIFTING HAULING