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Kenji Kuroha
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Method and apparatus for applying mortar or concrete
Patent number
4,492,478
Issue date
Jan 8, 1985
Ito; Yasuro
Yasuro Ito
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
Information
Patent Grant
Method and apparatus for weighing aggregates
Patent number
4,176,965
Issue date
Dec 4, 1979
Yasuro Ito
Yasuro Ito
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method and device for measuring the characteristics of plastic flui...
Patent number
4,143,541
Issue date
Mar 13, 1979
Ito; Yasuro
Yasuro Ito
G01 - MEASURING TESTING