Inventor · disambiguated record
Takayuki Toyoda
Also filed as: TOYODA TAKAYUKI
52 granted patents·14 pending applications·867 citations·filing 2005–2023
98Inventor score
Top patents by PatentIndex Score
66 records- 0198US9921501B2Toner and process for producing tonerCANON KK·Filed 2017·Granted Mar 20, 2018·45 cites·8 claims
- 0298US8940467B2TonerCANON KK·Filed 2013·Granted Jan 27, 2015·52 cites·14 claims
- 0398US8916319B2TonerCANON KK·Filed 2013·Granted Dec 23, 2014·56 cites·12 claims
- 0498US8815484B2Toner including compound having bisazo skeletonCANON KK·Filed 2012·Granted Aug 26, 2014·52 cites·10 claims
- 0598US8377616B2AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compoundCANON KK·Filed 2011·Granted Feb 19, 2013·57 cites·11 claims
- 0698US7833685B2Coloring compound and yellow toner containing the coloring compoundCANON KK·Filed 2008·Granted Nov 16, 2010·60 cites·6 claims
- 0798US7833687B2Aqueous dispersion of fine resin particles, method for producing aqueous dispersion of fine resin particles, and method for producing toner particlesCANON KK·Filed 2009·Granted Nov 16, 2010·62 cites·7 claims
- 0897US11249412B2TonerCANON KK·Filed 2020·Granted Feb 15, 2022·10 cites·10 claims
- 0997US11181845B2TonerCANON KK·Filed 2020·Granted Nov 23, 2021·13 cites·14 claims
- 1097US9857711B2TonerCANON KK·Filed 2016·Granted Jan 2, 2018·34 cites·16 claims
- 1197US9829814B2TonerCANON KK·Filed 2016·Granted Nov 28, 2017·33 cites·17 claims
- 1297US9715187B2Method of producing a compound having a colorant structure, and toner containing a compound obtained by the production methodCANON KK·Filed 2015·Granted Jul 25, 2017·23 cites·8 claims
- 1397US7264910B2Cyan toner and method of producing cyan tonerCANON KK·Filed 2006·Granted Sep 4, 2007·35 cites·5 claims
- 1497US7141342B2Magenta toner and process for producing magenta tonerCANON KK·Filed 2005·Granted Nov 28, 2006·40 cites·6 claims
- 1596US8211606B2Coloring compound, yellow toner, sheet for heat-sensitive transfer recording, and inkMURAI YASUAKI·Filed 2008·Granted Jul 3, 2012·41 cites·7 claims
- 1696US7288357B2Cyan toner and method of producing cyan tonerCANON KK·Filed 2006·Granted Oct 30, 2007·31 cites·4 claims
- 1795US9556290B2Method for producing compound having colorant structure at main chain terminal of polymer, and pigment dispersant, pigment composition, pigment dispersion and toner containing compound obtained by the production methodCANON KK·Filed 2015·Granted Jan 31, 2017·22 cites·10 claims
- 1895US8697327B2Toner production process and tonerSHIBATA TAKAHO·Filed 2010·Granted Apr 15, 2014·53 cites·9 claims
- 1995US8628899B2azo compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the AZO compoundKAWAMURA MASASHI·Filed 2011·Granted Jan 14, 2014·52 cites·14 claims
- 2094US9146485B2Magenta toner and method for producing the sameTANI YUTAKA·Filed 2012·Granted Sep 29, 2015·20 cites·11 claims
- 2194US7504488B2Dye, dye production method and ink containing dyeCANON KK·Filed 2007·Granted Mar 17, 2009·20 cites·10 claims
- 2294US7083667B2Colorant compound, ink, ink tank, recording unit, recording apparatus and recording processCANON KK·Filed 2005·Granted Aug 1, 2006·19 cites·15 claims
- 2391US8815485B2Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion, and tonerTANAKA MASATAKE·Filed 2011·Granted Aug 26, 2014·8 cites·11 claims
- 2490US9618867B2Pigment dispersion and tonerCANON KK·Filed 2016·Granted Apr 11, 2017·3 cites·11 claims
- 2589US9505723B2Compound, dispersant and tonerCANON KK·Filed 2016·Granted Nov 29, 2016·4 cites·10 claims
- 2688US8936894B2Magenta toner containing compound having AZO skeletonCANON KK·Filed 2013·Granted Jan 20, 2015·4 cites·10 claims
- 2784US8927187B2Cyan toner containing compound having azo skeletonCANON KK·Filed 2013·Granted Jan 6, 2015·3 cites·10 claims
- 2884US8916318B2Black toner containing compound having azo skeletonCANON KK·Filed 2013·Granted Dec 23, 2014·3 cites·8 claims
- 2983US11714363B2TonerCANON KK·Filed 2021·Granted Aug 1, 2023·1 cites·10 claims
- 3081US9097999B2Polyester, pigment composition, and tonerMURAI YASUAKI·Filed 2011·Granted Aug 4, 2015·3 cites·9 claims
- 3181US8962726B2Compound having bisazo skeleton, pigment dispersant containing the compound, pigment composition, pigment dispersion, ink and resist composition for color filterCANON KK·Filed 2012·Granted Feb 24, 2015·3 cites·12 claims
- 3272US7834213B2Colorant compound and method of manufacturing the same as well as blue resist composition for use in color filter containing the sameCANON KK·Filed 2006·Granted Nov 16, 2010·2 cites·2 claims
- 3370US9593243B2Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compoundCANON KK·Filed 2014·Granted Mar 14, 2017·1 cites·16 claims
- 3470US9298118B2Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and tonerCANON KK·Filed 2013·Granted Mar 29, 2016·1 cites·13 claims
- 3570US8926740B2Pigment dispersion, and resist composition for color filter and ink composition each using the pigment dispersionSHINTOU TAICHI·Filed 2012·Granted Jan 6, 2015·1 cites·8 claims
- 3665US12405543B2TonerCANON KK·Filed 2022·Granted Sep 2, 2025·0 cites·8 claims
- 3765US11274179B2Method for producing compound having amide bond and also having alkoxysilyl groupCANON KK·Filed 2020·Granted Mar 15, 2022·0 cites·8 claims
- 3860US12346064B2TonerCANON KK·Filed 2021·Granted Jul 1, 2025·0 cites·11 claims
- 3960US2015064618A1Black toner containing compound having azo skeletonCANON KK·Filed 2014·Application pending·0 cites
- 4060US2015093699A1Cyan toner containing compound having azo skeletonCANON KK·Filed 2014·Application pending·0 cites
- 4157US12242226B2TonerCANON KK·Filed 2022·Granted Mar 4, 2025·0 cites·14 claims
- 4257US2020341395A1TonerCANON KK·Filed 2020·Application pending·0 cites
- 4356US12461463B2TonerCANON KK·Filed 2022·Granted Nov 4, 2025·0 cites·14 claims
- 4456US2015079515A1Magenta toner containing compound having azo skeletonCANON KAUBSHIKI KAISHA·Filed 2014·Application pending·0 cites
- 4553US9249308B2Compound having bisazo dye skeleton, pigment composition containing the same, pigment dispersion, ink, and color filter resist compositionCANON KK·Filed 2012·Granted Feb 2, 2016·0 cites·11 claims
- 4653US7973197B2Colorant compound and blue resist composition for use in color filter containing the sameCANON KK·Filed 2010·Granted Jul 5, 2011·0 cites·4 claims
- 4751US9176407B2Toner and method for manufacturing toner particlesCANON KK·Filed 2012·Granted Nov 3, 2015·0 cites·9 claims
- 4851US2010035171A1Yellow tonerCANON KK·Filed 2009·Application pending·0 cites
- 4949US9834683B2Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and tonerCANON KK·Filed 2014·Granted Dec 5, 2017·0 cites·14 claims
- 5048US12386278B2Toner and method for producing tonerCANON KK·Filed 2021·Granted Aug 12, 2025·0 cites·10 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →