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Hiroshi Onoue
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Construction machine management apparatus and construction machines...
Patent number
7,493,112
Issue date
Feb 17, 2009
Hitachi Construction Machinery Co., Ltd.
Hiroyuki Adachi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Construction machine management apparatus and construction machines...
Patent number
7,228,125
Issue date
Jun 5, 2007
Hitachi Construction Machinery Co., Ltd.
Hiroyuki Adachi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hydraulic circuit in work vehicle
Patent number
7,197,872
Issue date
Apr 3, 2007
Hitachi Construction Machinery Co., Ltd.
Hidetoshi Satake
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic control apparatus for hydraulic construction machine
Patent number
5,307,631
Issue date
May 3, 1994
Hitachi Construction Machinery Co., Ltd.
Akira Tatsumi
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydraulic drive system for civil-engineering and construction machine
Patent number
5,285,643
Issue date
Feb 15, 1994
Hitachi Construction Machinery Co., Ltd.
Toichi Hirata
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Load sensing control system for hydraulic machine
Patent number
5,285,642
Issue date
Feb 15, 1994
Hitachi Construction Machinery Co., Ltd.
Hiroshi Watanabe
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydraulic control system for construction machine
Patent number
5,267,440
Issue date
Dec 7, 1993
Hitachi Construction Machinery Co., Ltd.
Kazunori Nakamura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydraulic drive traveling system
Patent number
5,177,964
Issue date
Jan 12, 1993
Hitachi Construction Machinery Co., Ltd.
Hideaki Tanaka
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Control system for hydraulic pump
Patent number
5,170,625
Issue date
Dec 15, 1992
Hitachi Construction Machinery Co., Ltd.
Hiroshi Watanabe
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydraulic drive system for construction machines
Patent number
5,056,312
Issue date
Oct 15, 1991
Hitachi Construction Machinery Co., Ltd.
Toichi Hirata
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
Construction machine management apparatus and construction machines...
Publication number
20070202861
Publication date
Aug 30, 2007
Hitachi Construction Machinery Co., Ltd.
Hiroyuki Adachi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Construction machine
Publication number
20060225940
Publication date
Oct 12, 2006
Hideaki Tanaka
B60 - VEHICLES IN GENERAL
Information
Patent Application
Hydraulic circuit of working truck
Publication number
20060163508
Publication date
Jul 27, 2006
Hitachi Construction Machinery Co., Ltd.
Hidetoshi Satake
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Construction machine management apparatus and construction machines...
Publication number
20040147250
Publication date
Jul 29, 2004
Hiroyuki Adachi
G06 - COMPUTING CALCULATING COUNTING