Kazumasa Okada

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Construction machine
- Patent number 8,240,415
- Issue date Aug 14, 2012
- Hitachi Construction Machinery Co., Ltd.
- Kazumasa Okada
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
CONSTRUCTION MACHINE
- Publication number 20100242313
- Publication date Sep 30, 2010
- Hitachi Construction Machinery Co., Ltd.
- Kazumasa Okada
- B66 - HOISTING LIFTING HAULING