Tsutao Takahashi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-shaft drilling unit
- Patent number 5,797,465
- Issue date Aug 25, 1998
- Chemical Grouting Company, Ltd.
- Mitsuhiro Shibasaki
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Multi-shaft kneading auger system
- Patent number 5,050,320
- Issue date Sep 24, 1991
- Kajima Corporation
- Mitsuhiro Shibazaki
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING