Inventor
OKA JOJI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OKA JOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL CORP
9 patentsUS4079163AMar 14, 1978
Weldable coated steel sheet
NIPPON STEEL CORP39 citations90
US3975242AAug 17, 1976
Horizontal rectilinear type metal-electroplating method
NIPPON STEEL CORP34 citations87
US4705726ANov 10, 1987
Anticorrosive weldable coated steel
NIPPON STEEL CORP19 citations80
US4524111AJun 18, 1985
Weldable paint-coated steel sheets having excellent corrosion resistance
NIPPON STEEL CORP24 citations77
US4826895AMay 2, 1989
Paint composition for under coating
NIPPON STEEL CORP17 citations73
US3935035AJan 27, 1976
Aqueous solution and method for surface treatment of metals
NIPPON STEEL CORP13 citations73
US5166288ANov 24, 1992
Coating composition for coating metal plate
NIPPON STEEL CORP13 citations70
US4898775AFeb 6, 1990
Paint coated metal sheets
NIPPON STEEL CORP15 citations69
US4251329AFeb 17, 1981
Process for producing a highly corrosion resistant electroplated steel sheet
NIPPON STEEL CORP8 citations68
TAKEDA CHEMICAL INDUSTRIES LTD
4 patentsUS4880890ANov 14, 1989
One-can thermosetting resin compositions and precoated metal
TAKEDA CHEMICAL INDUSTRIES LTD10 citations71
US4880891ANov 14, 1989
One-can thermosetting resin compositions and precoated metal
TAKEDA CHEMICAL INDUSTRIES LTD11 citations71
US4861672AAug 29, 1989
One-can heat-curable resin compositions and precoated metal
TAKEDA CHEMICAL INDUSTRIES LTD8 citations71
US5066757ANov 19, 1991
One-can heat-curable resin compositions and precoated metal
TAKEDA CHEMICAL INDUSTRIES LTD2 citations57