Inventor · disambiguated record

Keizi Arima

Also filed as: ARIMA KEIZI

4 granted patents·59 citations·filing 1974–1987

76Inventor score

Technology areasC21C

Files withNIPPON STEEL CORP4

Top patents by PatentIndex Score

4 records

0188US4651976AMethod for operating a converter used for steel refiningNIPPON STEEL CORP·Filed 1984·Granted Mar 24, 1987·19 cites·5 claims
0280US3971655AMethod for treatment of molten steel in a ladleNIPPON STEEL CORP·Filed 1974·Granted Jul 27, 1976·25 cites·6 claims
0362US4749171AMethod and apparatus for measuring slag-foam conditions within a converterNIPPON STEEL CORP·Filed 1987·Granted Jun 7, 1988·14 cites·4 claims
0419US4629166AExhaust-gas treatment system for a sealed-type converterNIPPON STEEL CORP·Filed 1985·Granted Dec 16, 1986·1 cites·6 claims

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