Seiji Kaneko

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Concrete structural member and method for manufacture thereof
- Patent number 4,774,045
- Issue date Sep 27, 1988
- Ozawa Concrete Industry Co.
- Shizuko Kushida
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of preparing kneaded compositions
- Patent number 4,431,310
- Issue date Feb 14, 1984
- Ito; Yasuro
- Yasuro Ito
- B28 - WORKING CEMENT, CLAY, OR STONE