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Mitsuo Kihara
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Steering system for engineering vehicle
Patent number
8,160,778
Issue date
Apr 17, 2012
Hitachi Construction Machinery Co., Ltd.
Kazunori Nakamura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Interference preventing system for construction machine
Patent number
5,957,989
Issue date
Sep 28, 1999
Hitachi Construction Machinery Co. Ltd.
Eiji Egawa
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Control device for hydraulically propelled work vehicle
Patent number
5,638,677
Issue date
Jun 17, 1997
Hitachi Construction Machinery Co., Ltd.
Junichi Hosono
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Apparatus for controlling revolution speed of prime mover for hydra...
Patent number
5,477,679
Issue date
Dec 26, 1995
Hitachi Construction Machinery Co., Ltd.
Akira Tatsumi
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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
Engine revolution speed control device for a hydraulically driven v...
Patent number
5,277,269
Issue date
Jan 11, 1994
Hitachi Construction Machinery Co., Ltd.
Kazuhiro Ichimura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Control system of hydraulic construction machinery
Patent number
4,726,186
Issue date
Feb 23, 1988
Hitachi, Construction Machinery Co.
Akira Tatsumi
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
STEERING SYSTEM FOR ENGINEERING VEHICLE
Publication number
20100228439
Publication date
Sep 9, 2010
Kazunori Nakamura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING