Inventor · disambiguated record

Masahiko Tatsuma

Also filed as: TATSUMA MASAHIKO

1 granted patent·8 citations·filing 1998–1998

29Inventor score

Technology areasC09B

Files withSUMITOMO CHEMICAL CO1

Top patents by PatentIndex Score

1 record

0152US6146430AAsymmetric dioxazine compound and method for dyeing or printing fiber Material using the sameSUMITOMO CHEMICAL CO·Filed 1998·Granted Nov 14, 2000·8 cites·12 claims

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