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Takashi Nakagawa
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Ibaraki-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cab for construction machinery
Patent number
6,450,284
Issue date
Sep 17, 2002
Hitachi Construction Machinery Co., Ltd.
Tsuyoshi Sakyo
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Operator's cab in construction machine
Patent number
6,325,450
Issue date
Dec 4, 2001
Hitachi Construction Machinery Co., Ltd.
Tsuyoshi Sakyo
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Operator's cab in construction machine
Patent number
6,209,949
Issue date
Apr 3, 2001
Hitachi Construction Machinery Co., Ltd.
Tsuyoshi Sakyo
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Front control system, area setting method and control panel for con...
Patent number
6,169,948
Issue date
Jan 2, 2001
Hitachi Construction Machinery Co., Ltd.
Kazuo Fujishima
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Front control system for construction machine and oil temperature i...
Patent number
5,887,365
Issue date
Mar 30, 1999
Hitachi Construction Machinery Co., Ltd.
Kazuo Fujishima
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Area limiting excavation control system for construction machines
Patent number
5,752,333
Issue date
May 19, 1998
Hitachi Construction Machinery Co., Ltd.
Takashi Nakagawa
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
Operator's cab in construction machine
Publication number
20010005092
Publication date
Jun 28, 2001
HITACHI CONSTRUCTION MACHINERY CO., LTD.
Tsuyoshi Sakyo
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS