Inventor · disambiguated record
Hiroyuki Shimanaka
Also filed as: SHIMANAKA HIROYUKI
32 granted patents·8 pending applications·70 citations·filing 1997–2023
95Inventor score
Top patents by PatentIndex Score
40 records- 0189US11746247B2Aqueous pigment dispersion liquidDAINICHISEIKA COLOR CHEM·Filed 2020·Granted Sep 5, 2023·2 cites·6 claims
- 0286US10995159B2Production method for polymerDAINICHISEIKA COLOR CHEM·Filed 2018·Granted May 4, 2021·2 cites·6 claims
- 0384US9120948B2Process for producing block polymer, coated pigment and aqueous pigment dispersionDAINICHISEIKA COLOR CHEM·Filed 2013·Granted Sep 1, 2015·4 cites·7 claims
- 0483US9988480B2Pigment dispersant, production method for pigment dispersant, and pigment dispersion liquidDAINICHISEIKA COLOR CHEM·Filed 2017·Granted Jun 5, 2018·1 cites·11 claims
- 0578US9644106B2Aqueous emulsion solution, coloring agent composition containing said aqueous solution, aqueous inkjet ink, and method for producing aqueous emulsion solutionDAINICHISEIKA COLOR CHEM·Filed 2014·Granted May 9, 2017·2 cites·16 claims
- 0678US7253229B2Polymer-bonded functional agentsDAINICHISEIKA COLOR CHEM·Filed 2005·Granted Aug 7, 2007·1 cites·7 claims
- 0775US9732176B2Pigment dispersant, production method for pigment dispersant, and pigment dispersion liquidDAINICHISEIKA COLOR CHEM·Filed 2013·Granted Aug 15, 2017·1 cites·3 claims
- 0875US9102777B2Emulsion binder, aqueous pigment ink for inkjet containing same, and method for producing emulsion binderSHIMANAKA HIROYUKI·Filed 2011·Granted Aug 11, 2015·2 cites·7 claims
- 0974US8546502B2Method for producing dye polymer, dye polymer and use of the sameSHIMANAKA HIROYUKI·Filed 2009·Granted Oct 1, 2013·3 cites·10 claims
- 1074US7985796B2Copolymer and use thereofDAINICHISEIKA COLOR CHEM·Filed 2008·Granted Jul 26, 2011·2 cites·11 claims
- 1173US5929188APolycarbodiimide compound, production process thereof, resin composition, and treatment method of articleDAINICHISEIKA COLOR CHEM·Filed 1997·Granted Jul 27, 1999·24 cites·6 claims
- 1269US6936659B2Polymer-bonded functional agentsDAINICHISEIKA COLOR CHEM·Filed 2002·Granted Aug 30, 2005·2 cites·6 claims
- 1368US11746178B2Polymer production method and radical polymerization initiating group-containing compoundDAINICHISEIKA COLOR CHEM·Filed 2021·Granted Sep 5, 2023·0 cites·11 claims
- 1468US2025388471A1Carbon material dispersion and use thereforDAINICHISEIKA COLOR CHEM·Filed 2023·Application pending·0 cites
- 1567US9260589B2Aqueous pigment dispersion liquid and aqueous pigment inkjet ink using sameDAINICHISEIKA COLOR CHEM·Filed 2013·Granted Feb 16, 2016·1 cites·14 claims
- 1663US12146045B2Carbon material dispersionDAINICHISEIKA COLOR CHEM·Filed 2021·Granted Nov 19, 2024·0 cites·7 claims
- 1761US2011223529A1Aqueous pigment dispersion and applications thereofDAINICHISEIKA COLOR CHEM·Filed 2009·Application pending·0 cites
- 1860US12065575B2Aqueous pigment dispersion liquid, aqueous ink-jet ink, and dry coatingDAINICHISEIKA COLOR CHEM·Filed 2021·Granted Aug 20, 2024·0 cites·10 claims
- 1960US10982033B2Polymer production method and radical polymerization initiating group-containing compoundDAINICHISEIKA COLOR CHEM·Filed 2017·Granted Apr 20, 2021·0 cites·12 claims
- 2060US2025368841A1Aqueous ink binder component and aqueous inkDAINICHISEIKA COLOR CHEM·Filed 2022·Application pending·0 cites
- 2159US2024409413A1Carbon material dispersion and use thereforDAINICHISEIKA COLOR CHEM·Filed 2022·Application pending·0 cites
- 2258US12264217B2Surface treatment film, manufacturing method therefor, and articleDAINICHISEIKA COLOR CHEM·Filed 2021·Granted Apr 1, 2025·0 cites·14 claims
- 2358US12173105B2A-B block copolymer, polymer emulsion and water-based inkjet inkDAINICHISEIKA COLOR CHEM·Filed 2021·Granted Dec 24, 2024·0 cites·9 claims
- 2458US2024409414A1Method for producing carbon material dispersed liquidDAINICHISEIKA COLOR CHEM·Filed 2022·Application pending·0 cites
- 2558US2023357479A1Pigment dispersant composition, production method therefor, pigment dispersion, and actinic-ray-curable ink-jet inkDAINICHISEIKA COLOR CHEM·Filed 2021·Application pending·0 cites
- 2657US7232853B2Production process of colored fine particulate resins, colored fine particulate resins, and coloring process of articlesDAINICHISEIKA COLOR CHEM·Filed 2002·Granted Jun 19, 2007·4 cites·20 claims
- 2751US12237097B2Carbon material dispersionDAINICHISEIKA COLOR CHEM·Filed 2021·Granted Feb 25, 2025·0 cites·5 claims
- 2851US10982020B2A-B block co-polymer, A-B block co-polymer production method, resin treatment pigment composition, resin treatment pigment composition production method, pigment dispersion, and pigment dispersion solutionDAINICHISEIKA COLOR CHEM·Filed 2014·Granted Apr 20, 2021·0 cites·15 claims
- 2951US10081001B2Polymer dispersant for cellulose, aqueous dispersion treatment agent containing same, readily dispersible cellulose composition, cellulose dispersion resin composition, and dispersant-containing resin composition for cellulose dispersionDAINICHISEIKA COLOR CHEM·Filed 2015·Granted Sep 25, 2018·0 cites·14 claims
- 3051US8822591B2Pigment dispersionsMURAKAMI YOSHIKAZU·Filed 2009·Granted Sep 2, 2014·0 cites·6 claims
- 3151US6211293B1Polycarbodiimide compound, production process thereof, resin composition, and treatment method of articleDAINICHISEIKA COLOR CHEM·Filed 1999·Granted Apr 3, 2001·10 cites·8 claims
- 3250US10077357B2Production method for readily dispersible cellulose composition, readily dispersible cellulose composition, cellulose dispersion resin composition, and production method for water-based dispersant for celluloseDAINICHISEIKA COLOR CHEM·Filed 2015·Granted Sep 18, 2018·0 cites·12 claims
- 3345US9512321B2Alkoxysilyl group-containing block copolymer, method for producing the same, resin-treated pigment, and pigment dispersionSHIMANAKA HIROYUKI·Filed 2011·Granted Dec 6, 2016·0 cites·9 claims
- 3443US2005159555A1Graft copolymers having excellent pigment-dispersing ability, production process of the graft copolymers, production method of emulsions by use of the graft copolymers, and pigment dispersions making use of the graft copolymers or emulsionsDAINICHISEIKA COLOR CHEM·Filed 2005·Application pending·0 cites
- 3541US8895646B2Pigment dispersion and method for producing resin-treated pigment in the pigment dispersionSHIMANAKA HIROYUKI·Filed 2011·Granted Nov 25, 2014·0 cites·10 claims
- 3641US8163839B2Pigment dispersants, their production process, and their useSHIMANAKA HIROYUKI·Filed 2008·Granted Apr 24, 2012·0 cites·8 claims
- 3741US7361698B2Water-based pigment inks, image recording method, and image recording systemDAINICHISEIKA COLOR CHEM·Filed 2003·Granted Apr 22, 2008·0 cites·16 claims
- 3841US7135062B2Hydrophilic coloring matter for recording image, aqueous coloring agent for recording image, method and device for recording imageDAINICHISEIKA COLOR CHEM·Filed 2004·Granted Nov 14, 2006·0 cites·20 claims
- 3940US2006219976A1Fluorescent colorant compositions, coloring process and colored articlesDAINICHISEIKA COLOR CHEM·Filed 2005·Application pending·0 cites
- 4039US6258503B1Production process of colored fine particulate composition and colored fine particulate composition produced by the processDAINICHISEIKA COLOR CHEM·Filed 1998·Granted Jul 10, 2001·9 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Shimanaka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →