Inventor · disambiguated record
Sadahiko Matsubara
Also filed as: MATSUBARA SADAHIKO
3 granted patents·11 citations·filing 1986–1991
60Inventor score
Files withORIENT CHEMICAL IND3
Top patents by PatentIndex Score
3 records- 0164US5281709AProduction of an azine dye having excellent heat- and light-resistanceORIENT CHEMICAL IND·Filed 1991·Granted Jan 25, 1994·10 cites·21 claims
- 0222US4822424AHexakisazo dyes-containing aqueous compositionsORIENT CHEMICAL IND·Filed 1987·Granted Apr 18, 1989·1 cites·6 claims
- 0321US4758659AHexakisazo dyesORIENT CHEMICAL IND·Filed 1986·Granted Jul 19, 1988·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →