Junsei Tanaka

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Hirakata-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic control device of construction machinery
- Patent number 7,992,384
- Issue date Aug 9, 2011
- Komatsu Ltd.
- Yoshiaki Itakura
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic pressure control device of construction machine
- Patent number 7,520,130
- Issue date Apr 21, 2009
- Komatsu Ltd.
- Junsei Tanaka
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Construction equipment
- Patent number 6,725,581
- Issue date Apr 27, 2004
- Komatsu Ltd.
- Masami Naruse
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic control device of construction machinery
- Publication number 20090056324
- Publication date Mar 5, 2009
- Yoshiaki Itakura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Hydraulic pressure control device of construction machine
- Publication number 20070125078
- Publication date Jun 7, 2007
- Junsei Tanaka
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Construction equipment
- Publication number 20030221339
- Publication date Dec 4, 2003
- Komatsu Ltd.
- Masami Naruse
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING