Inventor · disambiguated record
Seiichi Masuda
Also filed as: MASUDA SEIICHI
5 granted patents·48 citations·filing 1980–1983
79Inventor score
Files withSUMITOMO METAL IND5
Top patents by PatentIndex Score
5 records- 0172US4388084AProcess for gasification of solid carbonaceous materialSUMITOMO METAL IND·Filed 1981·Granted Jun 14, 1983·26 cites·10 claims
- 0264US4456477AProduction of ultra-low phosphorus steelSUMITOMO METAL IND·Filed 1983·Granted Jun 26, 1984·8 cites·10 claims
- 0359US4474605AProcess for refining high-chromium steelsSUMITOMO METAL IND·Filed 1982·Granted Oct 2, 1984·7 cites·9 claims
- 0450US4290802ASteel making processSUMITOMO METAL IND·Filed 1980·Granted Sep 22, 1981·5 cites·5 claims
- 0536US4292073ASteel making processSUMITOMO METAL IND·Filed 1980·Granted Sep 29, 1981·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →