Inventor · disambiguated record

Koyo Yanagawa

Also filed as: YANAGAWA KOYO

2 granted patents·17 citations·filing 1988–1990

58Inventor score

Technology areasB22D

Files withSHINAGAWA REFRACTORIES CO2

Top patents by PatentIndex Score

2 records

0162US4842647AMould additive for continuous casting of steelSHINAGAWA REFRACTORIES CO·Filed 1988·Granted Jun 27, 1989·10 cites·4 claims
0253US5234488AMold additive for continuous casting of steelSHINAGAWA REFRACTORIES CO·Filed 1990·Granted Aug 10, 1993·7 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →