Masaki HATAKEYAMA

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Niigata-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Earth auger head and excavation method
- Patent number 7,555,854
- Issue date Jul 7, 2009
- MLT Soil Co., Ltd.
- Masaki Hatakeyama
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
EARTH AUGER HEAD AND EXCAVATION METHOD
- Publication number 20080127528
- Publication date Jun 5, 2008
- MLT SOIL CO., LTD.
- Masaki HATAKEYAMA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING