Hiroaki Kubo

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Tokyo, 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
Consolidating agent injecting apparatus and injecting apparatus for...
- Patent number 5,228,809
- Issue date Jul 20, 1993
- Kajima Corporation
- Hiroshi Yoshida
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of improving ground of large area
- Patent number 5,160,220
- Issue date Nov 3, 1992
- Kajima Corporation
- Hiroshi Yoshida
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of improving ground of large area
- Patent number 5,123,782
- Issue date Jun 23, 1992
- Kajima Corporation
- Hiroshi Yoshida
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of reusing slurry
- Patent number 5,123,783
- Issue date Jun 23, 1992
- Kajima Corp.
- Hiroshi Yoshida
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for improving ground of large section area
- Patent number 5,006,017
- Issue date Apr 9, 1991
- Kajima Corporation
- Hiroshi Yoshida
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING