Inventor · disambiguated record
Yoshitaka Sekiguchi
Also filed as: SEKIGUCHI YOSHITAKA
50 granted patents·8 pending applications·501 citations·filing 1995–2021
98Inventor score
Top patents by PatentIndex Score
58 records- 0195US7720428B2Toner recovery apparatus, process cartridge, and image forming apparatusRICOH KK·Filed 2008·Granted May 18, 2010·19 cites·13 claims
- 0292US7820348B2Toner recovery apparatus, process cartridge, and image forming apparatusRICOH KK·Filed 2010·Granted Oct 26, 2010·6 cites·4 claims
- 0391US6338929B1Toner for developing an electrostatic latent imageMINOLTA CO LTD·Filed 2000·Granted Jan 15, 2002·41 cites·20 claims
- 0490US7587159B2Image forming method and apparatus including a relationship between secondary roller diameter and recording medium ingress positionRICOH KK·Filed 2007·Granted Sep 8, 2009·11 cites·20 claims
- 0589US9448501B2Toner for developing electrostatic image, image forming apparatus, image forming method, and process cartridgeINOUE RYOTA·Filed 2013·Granted Sep 20, 2016·5 cites·15 claims
- 0687US9182694B2Toner, image forming apparatus, image forming method, and process cartridgeRICOH CO LTD·Filed 2013·Granted Nov 10, 2015·4 cites·20 claims
- 0787US6824168B2Vehicle body rear part structureHONDA MOTOR CO LTD·Filed 2002·Granted Nov 30, 2004·44 cites·4 claims
- 0886US8090303B2Image forming apparatusHAYASHI MASAYUKI·Filed 2009·Granted Jan 3, 2012·9 cites·9 claims
- 0983US6541173B1Color toner for developing electrostatic image comprising two kinds of polyesters and two kinds of releasing agentsMINOLTA CO LTD·Filed 2000·Granted Apr 1, 2003·22 cites·26 claims
- 1083US5814428AToner for developing electrostatic latent imageMINOLTA CO LTD·Filed 1997·Granted Sep 29, 1998·28 cites·16 claims
- 1182US9348259B2Toner housing container and image forming apparatusRICOH CO LTD·Filed 2014·Granted May 24, 2016·3 cites·12 claims
- 1282US8852836B2Toner, method for producing the same, and image forming apparatusSEKI MASAHIRO·Filed 2012·Granted Oct 7, 2014·3 cites·6 claims
- 1382US6983945B2Vehicle body structureHONDA MOTOR CO LTD·Filed 2003·Granted Jan 10, 2006·31 cites·2 claims
- 1482US5611569AVehicle subframe assemblyHONDA MOTOR CO LTD·Filed 1995·Granted Mar 18, 1997·55 cites·9 claims
- 1579US10274856B2Toner for electrophotography, image forming method, and process cartridgeNAKAJIMA HISASHI·Filed 2015·Granted Apr 30, 2019·2 cites·7 claims
- 1675US8021814B2Toner, and oilless fixing method and process cartridge using the tonerRICOH CO LTD·Filed 2008·Granted Sep 20, 2011·4 cites·19 claims
- 1775US7873300B2Single component development device, process cartridge and tonerRICOH CO LTD·Filed 2008·Granted Jan 18, 2011·4 cites·10 claims
- 1871US6506530B1Color toner for developing electrostatic image, comprising first linear polyester and second non-linear polyester as binder resinMINOLTA CO LTD·Filed 2000·Granted Jan 14, 2003·12 cites·20 claims
- 1970US7979010B2Image forming apparatus and image forming methodRICOH CO LTD·Filed 2008·Granted Jul 12, 2011·3 cites·12 claims
- 2068US9152066B2Toner, developer, process cartridge, and image forming apparatusINOUE RYOTA·Filed 2013·Granted Oct 6, 2015·1 cites·16 claims
- 2168US9005862B2Toner, image forming method, and process cartridgeNAGAYAMA MASASHI·Filed 2013·Granted Apr 14, 2015·1 cites·17 claims
- 2267US10754270B2Toner, production method of toner, image forming method, image forming apparatus, and process cartridgeKITADA NAOKO·Filed 2018·Granted Aug 25, 2020·1 cites·9 claims
- 2366US7217488B2Toner comprising core layer and shell layerKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted May 15, 2007·9 cites·17 claims
- 2465US7867680B2Non-magnetic toner for one-component development and method of preparing the toner, and image developer, image forming apparatus, process cartridge and image forming methodRICOH CO LTD·Filed 2009·Granted Jan 11, 2011·2 cites·17 claims
- 2565US6352808B1Electrostatic-latent-image developing toner and inorganic particles used for such a tonerMINOLTA CO LTD·Filed 2000·Granted Mar 5, 2002·9 cites·20 claims
- 2665US5853940AToner for developing electrostatic latent imageMINOLTA CO LTD·Filed 1998·Granted Dec 29, 1998·14 cites·13 claims
- 2764US5641180AVehicle subframe assemblyHONDA MOTOR CO LTD·Filed 1995·Granted Jun 24, 1997·31 cites·4 claims
- 2863US5660964ADeveloper containing two kinds of waxMINOLTA CO LTD·Filed 1995·Granted Aug 26, 1997·16 cites·27 claims
- 2962US12065561B2Resin composition, molded article, electronic component, and electronic deviceRICOH CO LTD·Filed 2021·Granted Aug 20, 2024·0 cites·9 claims
- 3062US11618815B2Resin composition, molded body, electronic part, and electronic deviceRICOH CO LTD·Filed 2020·Granted Apr 4, 2023·0 cites·11 claims
- 3162US8103199B2Developing device, and image forming method and process cartridge using the developing deviceYASUNAGA HIDEAKI·Filed 2008·Granted Jan 24, 2012·2 cites·15 claims
- 3262US7970323B2Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing deviceRICOH CO LTD·Filed 2008·Granted Jun 28, 2011·2 cites·15 claims
- 3362US5541030AToner for developing a digital imageMINOLTA CO LTD·Filed 1995·Granted Jul 30, 1996·17 cites·27 claims
- 3461US6899985B2Toner for developing electrostatic latent imageMINOLTA CO LTD·Filed 2002·Granted May 31, 2005·7 cites·23 claims
- 3559US5792583AToner for developing electrostatic latent imageMINOLTA CO LTD·Filed 1995·Granted Aug 11, 1998·13 cites·31 claims
- 3658US8041270B2Image developer using one-component developerRICOH CO LTD·Filed 2008·Granted Oct 18, 2011·1 cites·7 claims
- 3758US6025107ANegatively chargeable toner for developing electrostatic latent imagesMINOLTA CO LTD·Filed 1998·Granted Feb 15, 2000·13 cites·18 claims
- 3853US8200134B2Double-sided one pass image forming apparatusHAMAHASHI SHUNSUKE·Filed 2009·Granted Jun 12, 2012·1 cites·16 claims
- 3952US7141345B2Resin particles for toner and toner prepared therewithKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Nov 28, 2006·4 cites·22 claims
- 4052US6841326B2Toner containing specific external additive for full color-copying machine and fixing method of the sameMINOLTA CO LTD·Filed 2003·Granted Jan 11, 2005·4 cites·20 claims
- 4152US5804350ANegatively chargeable toner for developing electrostatic latent imageMINOLTA CO LTD·Filed 1997·Granted Sep 8, 1998·10 cites·27 claims
- 4251US8192910B2Image forming method, image forming apparatus and process cartridgeKATOH HIROAKI·Filed 2009·Granted Jun 5, 2012·1 cites·8 claims
- 4351US5776647ANegatively chargeable toner for developing electrostatic latent imageMINOLTA CO LTD·Filed 1997·Granted Jul 7, 1998·9 cites·35 claims
- 4450US10025213B2Toner, toner stored unit, and image forming apparatusSEKI MASAHIRO·Filed 2016·Granted Jul 17, 2018·0 cites·5 claims
- 4550US6335134B1Toner for an electrostatic latent image developmentMINOLTA CO LTD·Filed 2000·Granted Jan 1, 2002·4 cites·20 claims
- 4649US5609366AWheel suspension system mount assemblyHONDA MOTOR CO LTD·Filed 1995·Granted Mar 11, 1997·15 cites·8 claims
- 4748US11036152B2Toner, image forming method, image forming apparatus, and process cartridgeKOBAYASHI SHOHTA·Filed 2018·Granted Jun 15, 2021·0 cites·20 claims
- 4847US6482561B1Toner used for developing electrostatic latent imageMINOLTA CO LTD·Filed 2000·Granted Nov 19, 2002·3 cites·22 claims
- 4945US8007973B2Full-color toner kit, process cartridge, and image forming methodRICOH CO LTD·Filed 2007·Granted Aug 30, 2011·0 cites·14 claims
- 5042US2014255840A1Toner for electrophotography, and image forming method, image forming apparatus and process cartridge using the tonerSEKIGUCHI YOSHITAKA·Filed 2014·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →