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Masachika Yamazaki
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Katsuta, JP
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last 30 patents
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Patent Grant
Elevator control system with image pickups in hall waiting areas an...
Patent number
5,258,586
Issue date
Nov 2, 1993
Hitachi, Ltd.
Masato Suzuki
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Image processing apparatus having apparatus for correcting the imag...
Patent number
5,182,776
Issue date
Jan 26, 1993
Hitachi, Ltd.
Masato Suzuki
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator group supervisory system
Patent number
4,989,694
Issue date
Feb 5, 1991
Hitachi, Ltd.
Takaaki Ueshima
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Signal transmission method and system in elevator equipment
Patent number
4,872,532
Issue date
Oct 10, 1989
Hitachi, Ltd.
Toshimitsu Tobita
B66 - HOISTING LIFTING HAULING