Makoto Otsuka

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Gifu-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sand pile driving method
- Patent number 6,881,013
- Issue date Apr 19, 2005
- Fudo Construction Co., Ltd.
- Makoto Otsuka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Sand pile driving method
- Publication number 20040258486
- Publication date Dec 23, 2004
- Makoto Otsuka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING