Inventor
MARUHASHI SHIGEAKI
11 patents
⚠️ This page may combine multiple inventors who share the name “MARUHASHI SHIGEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSHIN STEEL CO LTD
10 patentsUS4657641AApr 14, 1987
Determination of silicon in molten metal
NISSHIN STEEL CO LTD26 citations89
US4391633AJul 5, 1983
Process for dephosphorization, desulfurization and denitrification of chromium-containing pig iron
NISSHIN STEEL CO LTD8 citations73
US4652428AMar 24, 1987
Corrosion resistant alloy
NISSHIN STEEL CO LTD11 citations72
US4581066AApr 8, 1986
Corrosion resistant alloy
NISSHIN STEEL CO LTD8 citations72
US4290803ASep 22, 1981
Process for dephosphorization and denitrification of chromium-containing pig iron
NISSHIN STEEL CO LTD2 citations62
US4160664AJul 10, 1979
Process for producing ultra-low carbon stainless steel
NISSHIN STEEL CO LTD6 citations62
US4594114AJun 10, 1986
Process for producing strip of corrosion resistant alloy steel
NISSHIN STEEL CO LTD2 citations61
US4708783ANov 24, 1987
Apparatus for the determination of silicon in molten metal
NISSHIN STEEL CO LTD5 citations60
US4473412ASep 25, 1984
Annealing steel strip using molten B2 O3, SiO2 Na2 O, NaF glass bath
NISSHIN STEEL CO LTD5 citations55
US4314847AFeb 9, 1982
Process for dephosphorization and denitrification of chromium-containing iron
NISSHIN STEEL CO LTD1 citations51