Inventor
UMEZAWA KAZUSHIGE
JP6 patents
Patents
6 patentsUS5884685AMar 23, 1999
Quality prediction and quality control of continuous-cast steel
NIPPON STEEL CORP32 citations91
US5985674ANov 16, 1999
Evaluation method for cleanliness of metal
NIPPON STEEL CORP12 citations72
US6555063B1Apr 29, 2003
Evaluation apparatus for cleanliness of metal and method thereof
NIPPON STEEL CORP2 citations61
US6432718B1Aug 13, 2002
Evaluation apparatus for cleanliness of metal and method thereof
NIPPON STEEL CORP6 citations61
US4295882AOct 20, 1981
Steel making process
NIPPON STEEL CORP6 citations54
US4891064AJan 2, 1990
Method of melting cold material including iron
NIPPON STEEL CORP5 citations51