Inventor
MASUDA SEIICHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
5 patentsUS4388084AJun 14, 1983
Process for gasification of solid carbonaceous material
SUMITOMO METAL IND26 citations80
US4456477AJun 26, 1984
Production of ultra-low phosphorus steel
SUMITOMO METAL IND8 citations69
US4474605AOct 2, 1984
Process for refining high-chromium steels
SUMITOMO METAL IND7 citations68
US4292073ASep 29, 1981
Steel making process
SUMITOMO METAL IND2 citations59
US4290802ASep 22, 1981
Steel making process
SUMITOMO METAL IND5 citations58