Inventor · disambiguated record
Nobuyuki Tomiya
Also filed as: TOMIYA NOBUYUKI
7 granted patents·68 citations·filing 1990–2007
85Inventor score
Technology areasC09B
Files withTOYO INK MFG CO7
Top patents by PatentIndex Score
7 records- 0176US5776237AProcess for preparing pigment composition, pigment composition and its useTOYO INK MFG CO·Filed 1997·Granted Jul 7, 1998·14 cites·19 claims
- 0276US5772750AProcess for producing β-form copper phthalocyanine pigmentTOYO INK MFG CO·Filed 1997·Granted Jun 30, 1998·17 cites·8 claims
- 0373US5942028AProcess for producing printing inkTOYO INK MFG CO·Filed 1997·Granted Aug 24, 1999·15 cites·8 claims
- 0472US7431762B2Process for producing dichlorodiketopyrrolopyrrole pigment of the α modification, dichlorodiketopyrrolopyrrole pigment of the α modification produced by the process, and coloring composition using the sameTOYO INK MFG CO·Filed 2007·Granted Oct 7, 2008·5 cites·11 claims
- 0564US5144014AProcess 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
- 0653USRE37191EProcess for preparing pigment composition, pigment composition and its useTOYO INK MFG CO·Filed 1999·Granted May 29, 2001·4 cites·19 claims
- 0749US5243031AProcess 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
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →