Inventor · disambiguated record

Katsumi Fukuda

Also filed as: FUKUDA KATSUMI

3 granted patents·7 citations·filing 1990–1992

61Inventor score

Technology areasC09B

Files withORIENT CHEMICAL IND3

Top patents by PatentIndex Score

3 records

0153US5095100AMetal complex dyes and preparation thereofORIENT CHEMICAL IND·Filed 1990·Granted Mar 10, 1992·4 cites·13 claims
0240US5290347ASalt-forming type dye, and its concentrated solution composition and ink compositionORIENT CHEMICAL IND·Filed 1992·Granted Mar 1, 1994·2 cites·17 claims
0334US5160504AMethod of dyeing leather with metal complex dyes comprised of metalizable azo compoundsORIENT CHEMICAL IND·Filed 1991·Granted Nov 3, 1992·1 cites·8 claims

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