Masaru Kumatani

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic system for work machine
- Patent number 10,378,560
- Issue date Aug 13, 2019
- Kubota Corporation
- Yoshimitsu Tanaka
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic circuit with a switchover valve for switching between a h...
- Patent number 5,136,846
- Issue date Aug 11, 1992
- Kubota, Ltd.
- Kazuyoshi Arii
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC SYSTEM FOR WORK MACHINE
- Publication number 20170284425
- Publication date Oct 5, 2017
- KUBOTA CORPORATION
- Yoshimitsu TANAKA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING