Masao Nishimura

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Niihari-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic circuit device of hydraulic working machine
- Patent number 7,487,609
- Issue date Feb 10, 2009
- Hitahi Construction Machinery Co., Ltd.
- Tsuyoshi Nakamura
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic driving device of civil engineering and construction mach...
- Patent number 6,619,037
- Issue date Sep 16, 2003
- Hitachi Construction Machinery Co., Ltd.
- Tsukasa Toyooka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic circuit device of hydraulic working machine
- Publication number 20060080955
- Publication date Apr 20, 2006
- Hitachi Construction Machinery Co., Ltd.
- Tsuyoshi Nakamura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING