Inventor
HIRATA TAKEYUKI
4 patents
Patents
4 patentsUS4389246AJun 21, 1983
Gasification process of solid carbonaceous material
SUMITOMO METAL IND26 citations79
US4456477AJun 26, 1984
Production of ultra-low phosphorus steel
SUMITOMO METAL IND8 citations69
US4290802ASep 22, 1981
Steel making process
SUMITOMO METAL IND5 citations58
US4328030AMay 4, 1982
Steel making process and apparatus
SUMITOMO METAL IND3 citations56