Inventor

YOSHII MASATAKA

3 patents

Patents

3 patents

US4071356AJan 31, 1978

Method for refining a molten steel in vacuum

NIPPON STEEL CORP10 citations70

US4084959AApr 18, 1978

Method for continuous refining of a molten iron base metal

NIPPON STEEL CORP5 citations55

US4358313ANov 9, 1982

Process for refining molten pig iron and steel

NIPPON STEEL CORP3 citations53