Inventor · disambiguated record

Yasuo Obana

Also filed as: OBANA YASUO

3 granted patents·9 citations·filing 1981–1994

62Inventor score

Technology areasC21C

Files withNIPPON STEEL CORP3

Top patents by PatentIndex Score

3 records

0136US4358313AProcess for refining molten pig iron and steelNIPPON STEEL CORP·Filed 1981·Granted Nov 9, 1982·3 cites·8 claims
0235US5693120AProduction method for low carbon molten steel using vacuum degassing and decarburization treatmentNIPPON STEEL CORP·Filed 1994·Granted Dec 2, 1997·4 cites·6 claims
0329US4661151ATreating agent for desulfurizing molten steels and method for treating molten steelsNIPPON STEEL CORP·Filed 1986·Granted Apr 28, 1987·2 cites·4 claims

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