Inventor
CHANG SAM-KYU
KR5 patents
Patents
5 patentsUS5803988ASep 8, 1998
Method for manufacturing non-oriented electrical steel sheet showing superior adherence of insulating coated layer
PO HANG IRON & STEEL24 citations87
US6387538B1May 14, 2002
Surface-treated steel sheet for fuel tanks and method of fabricating same
PO HANG IRON & STEEL17 citations79
US6667105B1Dec 23, 2003
Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet
PO HANG IRON & STEEL7 citations71
US6797372B2Sep 28, 2004
Resin-coated steel for fuel tanks of automobile and method for manufacturing the same
PO HANG IRON & STEEL9 citations70
US6565671B1May 20, 2003
Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same
PO HANG IRON & STEEL7 citations70