Inventor · disambiguated record
Ichiro Okubo
Also filed as: OKUBO ICHIRO
8 granted patents·39 citations·filing 1973–1976
83Inventor score
Files withMITSUI TOATSU CHEMICALS8
Top patents by PatentIndex Score
8 records- 0189US4036805AColoring of the organic materials with naphthacenequinonesMITSUI TOATSU CHEMICALS·Filed 1973·Granted Jul 19, 1977·19 cites·8 claims
- 0260US3994932AProcess for the preparation of 1-aminoanthraquinoneMITSUI TOATSU CHEMICALS·Filed 1975·Granted Nov 30, 1976·6 cites·16 claims
- 0349US3960479AColoring of organic materials with asymmetric thioindigoid compoundsMITSUI TOATSU CHEMICALS·Filed 1975·Granted Jun 1, 1976·3 cites·8 claims
- 0447US4033923AColoring resins by mixing naphthacenequinones therewithMITSUI TOATSU CHEMICALS·Filed 1976·Granted Jul 5, 1977·6 cites·10 claims
- 0536US4032539AColoring of organic materials with asymmetric thioindigoid compoundsMITSUI TOATSU CHEMICALS·Filed 1975·Granted Jun 28, 1977·1 cites·9 claims
- 0636US4017509AProcess for producing substituted or unsubstituted 2-phenyl-1.2.3.-triazole-4-carboxaldehydeMITSUI TOATSU CHEMICALS·Filed 1975·Granted Apr 12, 1977·1 cites·10 claims
- 0735US3963429AColoring of organic materials with asymmetric thioindigoid compoundsMITSUI TOATSU CHEMICALS·Filed 1974·Granted Jun 15, 1976·3 cites·24 claims
- 0827US3986826ADyeing synthetic and semisynthetic materials with naphthacenequinine derivativesMITSUI TOATSU CHEMICALS·Filed 1975·Granted Oct 19, 1976·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →