Inventor · disambiguated record
Ryuji Higashi
Also filed as: HIGASHI RYUJI
42 granted patents·32 pending applications·402 citations·filing 2002–2025
98Inventor score
Top patents by PatentIndex Score
74 records- 0198US7833687B2Aqueous 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
- 0295US10761442B2Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of producing electrophotographic photosensitive memberCANON KK·Filed 2019·Granted Sep 1, 2020·9 cites·11 claims
- 0395US8697327B2Toner production process and tonerSHIBATA TAKAHO·Filed 2010·Granted Apr 15, 2014·53 cites·9 claims
- 0494US10670979B2Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of manufacturing electrophotographic photosensitive memberCANON KK·Filed 2018·Granted Jun 2, 2020·8 cites·6 claims
- 0593US7601790B2Amphiphilic block copolymer, polymer-containing composition containing the same, and method and apparatus for applying liquid using the polymer-containing compositionCANON KK·Filed 2005·Granted Oct 13, 2009·15 cites·8 claims
- 0693US7538147B2Image forming method, pattern forming method and liquid-applying apparatus which make use of liquid compositionsCANON KK·Filed 2005·Granted May 26, 2009·14 cites·10 claims
- 0792US7423075B2Polymer, polymer-containing composition containing the same, ink composition, and ink applying method, image forming method and image forming apparatus which make use of ink compositionCANON KK·Filed 2005·Granted Sep 9, 2008·15 cites·13 claims
- 0891US9593250B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2015·Granted Mar 14, 2017·3 cites·20 claims
- 0991US7563853B2Polymer compound, process for producing the same, polymer-containing composition, ink-applying process, and ink-applying apparatusCANON KK·Filed 2005·Granted Jul 21, 2009·14 cites·8 claims
- 1090US8177902B2Method for producing liquid composition and pigment particles and ink composition for ink jet recordingNAKAHAMA KAZUMICHI·Filed 2011·Granted May 15, 2012·5 cites·6 claims
- 1190US7528182B2Process for producing colorant dispersoidCANON KK·Filed 2005·Granted May 5, 2009·9 cites·15 claims
- 1289US9534127B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2015·Granted Jan 3, 2017·2 cites·14 claims
- 1388US9458323B2Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording methodCANON KK·Filed 2015·Granted Oct 4, 2016·3 cites·32 claims
- 1488US7914616B2Method for producing liquid composition and pigment particles and ink composition for ink jet recordingCANON KK·Filed 2007·Granted Mar 29, 2011·7 cites·8 claims
- 1587US6773856B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2002·Granted Aug 10, 2004·28 cites·38 claims
- 1686US7449513B2Alkenyl ether compound, polymer compound, composition using them, and image formation method and apparatusCANON KK·Filed 2004·Granted Nov 11, 2008·15 cites·4 claims
- 1786US2025027882A1Polymer dye for detecting hydrogen peroxide and hydrogen peroxide detecting materialCANON KK·Filed 2024·Application pending·0 cites
- 1885US7754000B2Preparation process of pigment dispersion, image forming process and image forming apparatusCANON KK·Filed 2007·Granted Jul 13, 2010·6 cites·6 claims
- 1985US7704414B2Image-forming method employing a compositionCANON KK·Filed 2005·Granted Apr 27, 2010·13 cites·3 claims
- 2085US7245851B2Electrophotographic apparatusCANON KK·Filed 2004·Granted Jul 17, 2007·23 cites·12 claims
- 2184US8450393B2Polymeric compound containing composition, and image forming process and apparatusTSUBAKI KEIICHIRO·Filed 2006·Granted May 28, 2013·11 cites·19 claims
- 2284US7442753B2Polymer compound and block polymer compoundCANON KK·Filed 2004·Granted Oct 28, 2008·14 cites·2 claims
- 2383US9371462B2Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording methodCANON KK·Filed 2015·Granted Jun 21, 2016·2 cites·15 claims
- 2483US8927185B2Toner and toner production methodCANON KK·Filed 2013·Granted Jan 6, 2015·3 cites·16 claims
- 2582US7498364B2Ink composition comprising a block or graft polymer and at least one colorantCANON KK·Filed 2004·Granted Mar 3, 2009·18 cites·5 claims
- 2678US7866806B2Liquid-composition set, and liquid-applying method and liquid-applying apparatus employing the setCANON KK·Filed 2004·Granted Jan 11, 2011·15 cites·8 claims
- 2778US7528179B2Block polymer, polymer-containing composition containing the same, ink composition and liquid applying method and liquid applying apparatus utilizing the polymer-containing compositionCANON KK·Filed 2004·Granted May 5, 2009·14 cites·8 claims
- 2877US7598332B2Polymerizable compound, polymer compound, composition using the same, image-forming method, and image-forming apparatusCANON KK·Filed 2004·Granted Oct 6, 2009·14 cites·6 claims
- 2975US12140549B2Polymer dye for detecting hydrogen peroxide and structure for detecting hydrogen peroxideCANON KK·Filed 2020·Granted Nov 12, 2024·0 cites·3 claims
- 3075US9441128B2Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording methodCANON KK·Filed 2015·Granted Sep 13, 2016·1 cites·15 claims
- 3173US2025279406A1Method of manufacturing electrode for electrochemical element, electrode for electrochemical element, electrochemical element, electric device, and mobile objectLI MUXIN·Filed 2025·Application pending·0 cites
- 3270US10654015B2Method for controlling rapid stirrer, and rapid stirrerKUBOTA KK·Filed 2015·Granted May 19, 2020·1 cites·10 claims
- 3370US2025293246A1Method of manufacturing electrode for electrochemical element, electrode for electrochemical element, electrode laminate for electrochemical element, electrochemical element, and all solid state electrochemical elementSUZUKI HIROTO·Filed 2025·Application pending·0 cites
- 3469US12057601B2Liquid compositionRICOH CO LTD·Filed 2020·Granted Aug 6, 2024·0 cites·9 claims
- 3569US2024297308A1Binder, liquid composition, storage container, electrode production device, electrode production method, electrode, electrochemical element, device, and moving bodySAGISAKA TOSHIYA·Filed 2024·Application pending·0 cites
- 3668US9244373B2Toner and method of producing tonerCANON KK·Filed 2013·Granted Jan 26, 2016·1 cites·16 claims
- 3766US2024313191A1Method of manufacturing electrode, electrode, electrode manufacturing apparatus, method of manufacturing electrochemical element, and electrochemical element manufacturing apparatusGoto shun·Filed 2024·Application pending·0 cites
- 3866US2023272239A1Liquid composition, liquid composition for inkjet discharging, device for manufacturing layer containing inorganic oxide, method of manufacturing layer containing inorganic oxide, and electrochemical deviceOHYA KAYATO·Filed 2023·Application pending·0 cites
- 3966US2025182925A1Laminate for solid state electrochemical element, solid state electrochemical element, electric device, and mobile objectOHYA KAYATO·Filed 2024·Application pending·0 cites
- 4065US2023290951A1Electrode, electrochemical element, liquid composition, and method for producing electrodeNOSE DAISUKE·Filed 2023·Application pending·0 cites
- 4164US2025183263A1Method of manufacturing electrode, composite electrode, electrochemical element, and apparatus for manufacturing electrodeGoto shun·Filed 2024·Application pending·0 cites
- 4263US11807783B2Liquid composition, method of manufacturing electrodes and method of manufacturing electrochemical deviceRICOH CO LTD·Filed 2021·Granted Nov 7, 2023·0 cites·19 claims
- 4363US2025179324A1Liquid compsition, insulating resin layer, electrode for electrochemical element, electrode laminate, electrochemical element, and method of manufacturing electrode laminateHIGASHI RYUJI·Filed 2024·Application pending·0 cites
- 4462US11545308B2Liquid composition and method for producing electrochemical deviceRICOH CO LTD·Filed 2020·Granted Jan 3, 2023·0 cites·9 claims
- 4562US2025282147A1Liquid discharge apparatus and liquid discharging methodKIDA HITOSHI·Filed 2025·Application pending·0 cites
- 4660US11955640B2Inorganic particle layer, electrode, electrode element, and non-aqueous electrolyte power storage elementRICOH CO LTD·Filed 2019·Granted Apr 9, 2024·0 cites·17 claims
- 4759US2024021825A1Liquid composition for electrode, storage container, electrode manufacturing device, method of manufacturing electrode, electrode, and electrochemical deviceMATSUOKA KOHJI·Filed 2021·Application pending·0 cites
- 4858US2025300242A1Method of manufacturing member for electrochemical element and apparatus for manufacturing electrochemical elementIMANAGA YUKIHIRO·Filed 2025·Application pending·0 cites
- 4958US2021159494A1Liquid composition, method of discharging liquid, method of manufacturing electrode, and method of manufacturing electrochemical deviceHIGASHI RYUJI·Filed 2020·Application pending·0 cites
- 5057US2022407074A1Electrode, method of manufacturing the same, and electrochemical deviceMASUZAWA MASAHIRO·Filed 2020·Application pending·0 cites
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →