Riki Fujita

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Chikugo-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic circuit for working machine
- Patent number 8,713,931
- Issue date May 6, 2014
- Yanmar Co., Ltd.
- Kunihiko Sakamoto
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic Circuit For Working Machine
- Publication number 20120048409
- Publication date Mar 1, 2012
- Yanmar Co., Ltd.
- Kunihiko Sakamoto
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Hydraulic Circuit For Working Machine
- Publication number 20110168283
- Publication date Jul 14, 2011
- Yanmar Co., Ltd.
- Kunihiko Sakamoto
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING