Makoto Mitsuhashi

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic circuit system for hydraulic excavator
- Patent number 8,387,289
- Issue date Mar 5, 2013
- Hitachi Construction Machinery Co., Ltd.
- Kazuyoshi Hanakawa
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC CIRCUIT SYSTEM FOR HYDRAULIC EXCAVATOR
- Publication number 20110061755
- Publication date Mar 17, 2011
- Hitachi Construction Machinery Co., Ltd.
- Kazuyoshi Hanakawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING