Inventor

SAKAMOTO YOSHIYASU

JP3 patents

Patents

3 patents

US4210023AJul 1, 1980

Method and apparatus for measuring slag foaming using microwave lever meter

SUMITOMO METAL IND59 citations91

US4288162ASep 8, 1981

Measuring particle size distribution

SUMITOMO METAL IND48 citations86

US4019130AApr 19, 1977

Method for measuring wear of cooling cell assembly

SUMITOMO METAL IND9 citations68