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Hiroaki Hamaji
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Elevator system
Patent number
8,091,687
Issue date
Jan 10, 2012
Mitsubishi Electric Corporation
Hiroaki Hamaji
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator control system
Patent number
7,717,238
Issue date
May 18, 2010
Mitsubishi Electric Corporation
Hiroaki Hamaji
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator information communication system
Patent number
6,561,319
Issue date
May 13, 2003
Mitsubishi Denki Kabushiki Kaisha
Akihito Mori
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator information communication system
Patent number
6,497,306
Issue date
Dec 24, 2002
Mitsubishi Denki Kabushiki Kaisha
Akihito Mori
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator information communication system
Patent number
6,488,127
Issue date
Dec 3, 2002
Mitsubishi Denki Kabushiki Kaisha
Akihito Mori
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator information communication system
Patent number
6,427,808
Issue date
Aug 6, 2002
Mitsubishi Denki Kabushiki Kaisha
Akihito Mori
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
ELEVATOR SYSTEM
Publication number
20100006379
Publication date
Jan 14, 2010
MITSUBISHI ELECTRIC CORPORATION
Hiroaki Hamaji
B66 - HOISTING LIFTING HAULING
Information
Patent Application
Elevator Control System
Publication number
20090120727
Publication date
May 14, 2009
Mitsubishi Electric Corporation
Hiroaki Hamaji
B66 - HOISTING LIFTING HAULING
Information
Patent Application
Elevator information communication system
Publication number
20020162706
Publication date
Nov 7, 2002
Mitsubishi Denki Kabushiki Kaisha
Akihito Mori
B66 - HOISTING LIFTING HAULING
Information
Patent Application
Elevator information communication system
Publication number
20020162708
Publication date
Nov 7, 2002
Mitsubishi Denki Kabushiki Kaisha
Akihito Mori
B66 - HOISTING LIFTING HAULING
Information
Patent Application
Elevator information communication system
Publication number
20020162707
Publication date
Nov 7, 2002
Mitsubishi Denki Kabushiki Kaisha
Akihito Mori
B66 - HOISTING LIFTING HAULING