Inventor
YAMADA KENZO
9 patents
Patents
9 patentsUS5065985ANov 19, 1991
Method for smelting reduction of iron ore and apparatus therefor
NIPPON KOKAN KK34 citations92
US4988079AJan 29, 1991
Apparatus for smelting and reducing iron ores
NIPPON KOKAN KK9 citations73
US4936908AJun 26, 1990
Method for smelting and reducing iron ores
NIPPON KOKAN KK12 citations73
US4102675AJul 25, 1978
Method of treating molten slags in steel making process
NIPPON KOKAN KK16 citations70
US5000784AMar 19, 1991
Method for smelting reduction of iron ore
NIPPON KOKAN KK4 citations62
US4792352ADec 20, 1988
Method for manufacturing steel through smelting reduction
NIPPON KOKAN KK4 citations61
US5183495AFeb 2, 1993
Method for controlling a flow rate of gas for prereducing ore and apparatus therefor
NIPPON KOKAN KK3 citations60
US4601749AJul 22, 1986
Method for adjusting chemical composition of molten pig iron tapped from blast furnace
NIPPON KOKAN KK3 citations57
US4065298ADec 27, 1977
Steel making process by oxygen top-blown converter
NIPPON KOKAN KK0 citations46