Inventor · disambiguated record
Takashi Hirasa
Also filed as: HIRASA TAKASHI
33 granted patents·9 pending applications·833 citations·filing 1995–2020
97Inventor score
Top patents by PatentIndex Score
42 records- 0198US11181848B2Liquid developer and method of producing liquid developerCANON KK·Filed 2020·Granted Nov 23, 2021·15 cites·5 claims
- 0298US10514624B2TonerCANON KK·Filed 2018·Granted Dec 24, 2019·33 cites·12 claims
- 0398US10451990B2Toner and method for producing tonerCANON KK·Filed 2018·Granted Oct 22, 2019·35 cites·8 claims
- 0498US10353312B2TonerCANON KK·Filed 2018·Granted Jul 16, 2019·37 cites·8 claims
- 0598US10228629B2TonerCANON KK·Filed 2018·Granted Mar 12, 2019·43 cites·9 claims
- 0698US10203619B2Toner and method for producing tonerCANON KK·Filed 2017·Granted Feb 12, 2019·43 cites·11 claims
- 0798US10088765B2Toner and method for producing tonerCANON KK·Filed 2017·Granted Oct 2, 2018·45 cites·15 claims
- 0898US10078281B2Toner and method for producing tonerCANON KK·Filed 2017·Granted Sep 18, 2018·46 cites·17 claims
- 0998US9696644B2Resin for toner and tonerCANON KK·Filed 2014·Granted Jul 4, 2017·52 cites·13 claims
- 1098US9540483B2Resin for toner and tonerCANON KK·Filed 2014·Granted Jan 10, 2017·52 cites·19 claims
- 1198US9348247B2Toner and method of producing tonerCANON KK·Filed 2013·Granted May 24, 2016·61 cites·10 claims
- 1298US9057970B2Method for producing core-shell structured resin microparticles and core-shell structured toner containing core-shell structured resin microparticlesCANON KK·Filed 2013·Granted Jun 16, 2015·61 cites·4 claims
- 1395US11112711B2White tonerCANON KK·Filed 2020·Granted Sep 7, 2021·5 cites·8 claims
- 1495US6123759ACarbon black, process for producing the same, and aqueous dispersion and water-base ink both containing the sameMITSUBISHI CHEM CORP·Filed 1997·Granted Sep 26, 2000·116 cites·11 claims
- 1594US6551394B2Recording liquid, printed product and ink jet recording methodMITSUBISHI CHEM CORP·Filed 2002·Granted Apr 22, 2003·38 cites·3 claims
- 1690US9958800B2TonerCANON KK·Filed 2017·Granted May 1, 2018·4 cites·10 claims
- 1788US6383278B1Recording liquid, printed product and ink jet recording methodMITSUBISHI CHEM CORP·Filed 1999·Granted May 7, 2002·46 cites·9 claims
- 1886US11385558B2TonerCANON KK·Filed 2020·Granted Jul 12, 2022·2 cites·15 claims
- 1976US9188894B2Method for manufacturing core-shell structure fine particles and tonerCANON KK·Filed 2012·Granted Nov 17, 2015·1 cites·7 claims
- 2072US5713992ARecording liquidMITSUBISHI CHEM CORP·Filed 1995·Granted Feb 3, 1998·15 cites·17 claims
- 2171US7414082B2Recording liquid and ink jet recording methodMITSUBISHI CHEM CORP·Filed 2002·Granted Aug 19, 2008·10 cites·12 claims
- 2260US5919294ARecording liquidMITSUBISHI CHEM CORP·Filed 1997·Granted Jul 6, 1999·19 cites·13 claims
- 2358US10234779B2Toner and method of producing tonerCANON KK·Filed 2017·Granted Mar 19, 2019·0 cites·10 claims
- 2458US5542969ARecording liquidMITSUBISHI CHEM CORP·Filed 1995·Granted Aug 6, 1996·17 cites·21 claims
- 2556US11624987B2Liquid developerCANON KK·Filed 2020·Granted Apr 11, 2023·0 cites·5 claims
- 2655US11281120B2Liquid developer and image-forming methodCANON KK·Filed 2020·Granted Mar 22, 2022·0 cites·5 claims
- 2755US5725644ARecording liquid and recording method according to ink-jet recording system using the sameMITSUBISHI CHEM CORP·Filed 1996·Granted Mar 10, 1998·17 cites·38 claims
- 2854US9223254B2Image forming apparatusCANON KK·Filed 2014·Granted Dec 29, 2015·0 cites·7 claims
- 2953US11188005B2Liquid developerCANON KK·Filed 2020·Granted Nov 30, 2021·0 cites·9 claims
- 3053US5859092ARecording liquidMITSUBISHI CHEM CORP·Filed 1997·Granted Jan 12, 1999·16 cites·16 claims
- 3148US9658550B2Toner for use in electrophotographic systemsCANON KK·Filed 2016·Granted May 23, 2017·0 cites·8 claims
- 3246US2013202998A1Method for producing aqueous dispersion of resin fine particles and method for producing tonerCANON KK·Filed 2012·Application pending·0 cites
- 3345US2015099227A1Resin for toner and tonerCANON KK·Filed 2014·Application pending·0 cites
- 3441US2013108955A1Process for producing tonerCANON KK·Filed 2012·Application pending·0 cites
- 3541US2018348658A1Curable liquid developer and method for producing curable liquid developerCANON KK·Filed 2018·Application pending·0 cites
- 3641US2021063906A1Liquid developerCANON KK·Filed 2020·Application pending·0 cites
- 3740US2021080848A1Liquid developerCANON KK·Filed 2020·Application pending·0 cites
- 3840US2021033995A1Liquid developer and image-forming apparatusCANON KK·Filed 2020·Application pending·0 cites
- 3940US2020409284A1Liquid developerCANON KK·Filed 2020·Application pending·0 cites
- 4039US10216106B2Method for producing tonerCANON KK·Filed 2016·Granted Feb 26, 2019·0 cites·10 claims
- 4137US2002019458A1Recording liquid and ink jet recording methodFiled 2001·Application pending·0 cites
- 4232US5738714ARecording liquidMITSUBISHI CHEM CORP·Filed 1996·Granted Apr 14, 1998·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →