Inventor · disambiguated record
Hajime Nashiwa
Also filed as: NASHIWA HAJIME
4 granted patents·64 citations·filing 1975–1980
77Inventor score
Files withSUMITOMO METAL IND4
Top patents by PatentIndex Score
4 records- 0195US4043798AProcess for producing steel having improved low temperature impact characteristicsSUMITOMO METAL IND·Filed 1975·Granted Aug 23, 1977·32 cites·23 claims
- 0267US4137104AAs-rolled steel plate having improved low temperature toughness and production thereofSUMITOMO METAL IND·Filed 1977·Granted Jan 30, 1979·15 cites·7 claims
- 0352US4325748AMethod for producing steel plate having excellent resistance to hydrogen induced crackingSUMITOMO METAL IND·Filed 1980·Granted Apr 20, 1982·12 cites·5 claims
- 0434US4129439AProcess for refining molten steel using ferroalloySUMITOMO METAL IND·Filed 1976·Granted Dec 12, 1978·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →