Inventor · disambiguated record

Nobuyoshi Fujitsuka

Also filed as: FUJITSUKA NOBUYOSHI

2 granted patents·31 citations·filing 1984–1984

61Inventor score

Technology areasG01J

Files withSUMITOMO CHEMICAL CO2

Top patents by PatentIndex Score

2 records

0163US4613947AMethod of measuring color difference of dyestuffsSUMITOMO CHEMICAL CO·Filed 1984·Granted Sep 23, 1986·22 cites·5 claims
0241US4597670AMethod of measuring color difference of dyestuffsSUMITOMO CHEMICAL CO·Filed 1984·Granted Jul 1, 1986·9 cites·3 claims

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