Inventor
NASHIWA HAJIME
4 patents
Patents
4 patentsUS4043798AAug 23, 1977
Process for producing steel having improved low temperature impact characteristics
SUMITOMO METAL IND32 citations90
US4137104AJan 30, 1979
As-rolled steel plate having improved low temperature toughness and production thereof
SUMITOMO METAL IND15 citations71
US4325748AApr 20, 1982
Method for producing steel plate having excellent resistance to hydrogen induced cracking
SUMITOMO METAL IND12 citations65
US4129439ADec 12, 1978
Process for refining molten steel using ferroalloy
SUMITOMO METAL IND5 citations54