Inventor · disambiguated record
Sachio Yoshikawa
Also filed as: YOSHIKAWA SACHIO
12 granted patents·5 pending applications·22 citations·filing 2001–2022
85Inventor score
Top patents by PatentIndex Score
17 records- 0187US11535755B2Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet inkDAINICHISEIKA COLOR CHEM·Filed 2017·Granted Dec 27, 2022·2 cites·11 claims
- 0284US9120948B2Process for producing block polymer, coated pigment and aqueous pigment dispersionDAINICHISEIKA COLOR CHEM·Filed 2013·Granted Sep 1, 2015·4 cites·7 claims
- 0378US9644106B2Aqueous 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
- 0472US11773267B2Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet inkDAINICHISEIKA COLOR CHEM·Filed 2022·Granted Oct 3, 2023·0 cites·11 claims
- 0570US6797436B2Solidifying material for cell electrolyte solution, and cell comprising the solidifying materialDAINICHISEIKA COLOR CHEM·Filed 2001·Granted Sep 28, 2004·8 cites·23 claims
- 0661US2011223529A1Aqueous pigment dispersion and applications thereofDAINICHISEIKA COLOR CHEM·Filed 2009·Application pending·0 cites
- 0760US12065575B2Aqueous pigment dispersion liquid, aqueous ink-jet ink, and dry coatingDAINICHISEIKA COLOR CHEM·Filed 2021·Granted Aug 20, 2024·0 cites·10 claims
- 0860US2025368841A1Aqueous ink binder component and aqueous inkDAINICHISEIKA COLOR CHEM·Filed 2022·Application pending·0 cites
- 0959US7138211B2Solidifying material for cell electrolyte solution, and cell comprising the solidifying materialDAINICHISEIKA COLOR CHEM·Filed 2004·Granted Nov 21, 2006·3 cites·7 claims
- 1058US12173105B2A-B block copolymer, polymer emulsion and water-based inkjet inkDAINICHISEIKA COLOR CHEM·Filed 2021·Granted Dec 24, 2024·0 cites·9 claims
- 1158US2023357479A1Pigment dispersant composition, production method therefor, pigment dispersion, and actinic-ray-curable ink-jet inkDAINICHISEIKA COLOR CHEM·Filed 2021·Application pending·0 cites
- 1257US6967232B2High-molecular gelling agent precursor for electrolyteDAINICHISEIKA COLOR CHEM·Filed 2002·Granted Nov 22, 2005·3 cites·25 claims
- 1352US11926741B2Method for producing quinacridone solid-solution pigment, pigment dispersion, and ink-jet inkDAINICHISEIKA COLOR CHEM·Filed 2018·Granted Mar 12, 2024·0 cites·2 claims
- 1452US2010036060A1Electrolyte compositionsDAINICHISEIKA COLOR CHEM·Filed 2009·Application pending·0 cites
- 1551US10982020B2A-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
- 1645US9512321B2Alkoxysilyl 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
- 1744US2004023121A1Electrolyte compositionsDAINICHISEIKA COLOR CHEM·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →