Inventor · disambiguated record
Hitoshi Sugamo
Also filed as: SUGAMO HITOSHI
5 granted patents·26 citations·filing 1990–1997
76Inventor score
Technology areasC09B
Files withTOYO INK MFG CO5
Top patents by PatentIndex Score
5 records- 0164US5144014AProcess for production of monoazo lake coated with water-insoluble metal salt of rosinTOYO INK MFG CO·Filed 1990·Granted Sep 1, 1992·9 cites·16 claims
- 0261US5882394AAqueous pigment paste for offset ink, process for producing the paste, and use thereofTOYO INK MFG CO·Filed 1995·Granted Mar 16, 1999·10 cites·8 claims
- 0349US5243031AProcess for the production of monoazo lake pigment coated with water-insoluble rosin and improved in lipophilic nature and water resistanceTOYO INK MFG CO·Filed 1992·Granted Sep 7, 1993·4 cites·6 claims
- 0440US5489672AProcess for the production of dis-azo pigment whose amine content is small, and pigment produced by said processTOYO INK MFG CO·Filed 1994·Granted Feb 6, 1996·2 cites·6 claims
- 0534US5958128AMethod of manufacturing a disazo pigment and disazo pigment manufactured therebyTOYO INK MFG CO·Filed 1997·Granted Sep 28, 1999·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →