Ikuo Okabayashi

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for strengthening soft soil
- Patent number 4,443,260
- Issue date Apr 17, 1984
- Chiyoda Chemical Engineering & Constr., Co., Ltd.
- Hajime Miyoshi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for improving the strength of a water-saturated soft soil
- Patent number 4,367,986
- Issue date Jan 11, 1983
- Chiyoda Chemical Engineering & Construction Co., Ltd.
- Hajime Miyoshi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for improving the strength of a water-saturated soft soil
- Patent number 4,299,516
- Issue date Nov 10, 1981
- Chiyoda Chemical Engineering & Construction Co., Ltd.
- Hajime Miyoshi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...