Inventor
YOSHIMI NAOTO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIMI NAOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON KOKAN KK
8 patentsUS6562474B1May 13, 2003
Coated steel sheet having excellent corrosion resistance and method for producing the same
NIPPON KOKAN KK97 citations97
US5387473AFeb 7, 1995
Weldable black steel sheet with low-gloss appearance
NIPPON KOKAN KK51 citations92
US5795660AAug 18, 1998
Organic composite coated steel sheet having a high corrosion resistance in a rust-contaminated environment
NIPPON KOKAN KK14 citations73
US5641578AJun 24, 1997
Weldable black steel sheet
NIPPON KOKAN KK13 citations73
US6015628AJan 18, 2000
Organic composite coated steel sheet with good press formability and perforation corrosion resistance
NIPPON KOKAN KK12 citations72
US5609968AMar 11, 1997
Weldable colored steel sheet
NIPPON KOKAN KK5 citations62
US5589279ADec 31, 1996
Weldable black steel sheet
NIPPON KOKAN KK4 citations62
US5556715ASep 17, 1996
Weldable colored steel sheet
NIPPON KOKAN KK5 citations62
JFE STEEL CORP
4 patentsUS7291402B2Nov 6, 2007
Surface-treated steel sheets of good white rust resistance, and method for producing them
JFE STEEL CORP18 citations81
USRE45821EDec 22, 2015
Zinc-based metal plated steel sheet
JFE STEEL CORP1 citations61
US8012599B2Sep 6, 2011
Surface-treated steel sheet with excellent corrosion resistance and method for manufacturing same
JFE STEEL CORP2 citations61
US7517591B2Apr 14, 2009
Highly corrosion-resistant surface-treated steel sheet and method for producing same
JFE STEEL CORP5 citations61