Inventor · disambiguated record
Hidemasa Nakajima
Also filed as: NAKAJIMA HIDEMASA
9 granted patents·156 citations·filing 1981–1990
89Inventor score
Top patents by PatentIndex Score
9 records- 0181US4541617ALance structure for oxygen-blowing process in top-blown convertersSUMITOMO METAL IND·Filed 1983·Granted Sep 17, 1985·18 cites·12 claims
- 0272US4389246AGasification process of solid carbonaceous materialSUMITOMO METAL IND·Filed 1981·Granted Jun 21, 1983·26 cites·19 claims
- 0371US5241262AContinuous-use molten metal inclusion sensorGUTHRIE RES ASS·Filed 1990·Granted Aug 31, 1993·39 cites·7 claims
- 0470US5198749ASingle-use disposable molten metal inclusion sensorGUTHRIE RES ASS·Filed 1990·Granted Mar 30, 1993·36 cites·17 claims
- 0564US4456477AProduction of ultra-low phosphorus steelSUMITOMO METAL IND·Filed 1983·Granted Jun 26, 1984·8 cites·10 claims
- 0660US4522650AProcess for production of low phosphorus alloySUMITOMO METAL IND·Filed 1983·Granted Jun 11, 1985·7 cites·33 claims
- 0759US4474605AProcess for refining high-chromium steelsSUMITOMO METAL IND·Filed 1982·Granted Oct 2, 1984·7 cites·9 claims
- 0848US4565551ACoal gasification apparatusSUMITOMO METAL IND·Filed 1983·Granted Jan 21, 1986·10 cites·3 claims
- 0941US4738688AProcess for gasifying carbonaceous materialSUMITOMO METAL IND·Filed 1986·Granted Apr 19, 1988·5 cites·7 claims
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