Inventor · disambiguated record
Toyoshi Sawada
Also filed as: SAWADA TOYOSHI
56 granted patents·14 pending applications·769 citations·filing 2001–2023
98Inventor score
Technology areasG03G
Top patents by PatentIndex Score
70 records- 0198US6653037B2Toner for developing latent electrostatic images, and image forming method and deviceRICOH KK·Filed 2001·Granted Nov 25, 2003·91 cites·39 claims
- 0297US7132210B2Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming processRICOH KK·Filed 2005·Granted Nov 7, 2006·27 cites·14 claims
- 0396US6716561B2Toner for developing electrostatic latent image and image forming method using sameRICOH KK·Filed 2001·Granted Apr 6, 2004·75 cites·14 claims
- 0496US6566026B2Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2001·Granted May 20, 2003·75 cites·26 claims
- 0595US6858365B2Toner for developing electrostatic latent image, developing method and developing apparatusRICOH KK·Filed 2002·Granted Feb 22, 2005·57 cites·12 claims
- 0695US6821698B2Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatusRICOH KK·Filed 2002·Granted Nov 23, 2004·60 cites·28 claims
- 0794US6852459B2Color toner, method for manufacturing the toner, and image forming apparatus and method using the tonerRICOH KK·Filed 2002·Granted Feb 8, 2005·53 cites·15 claims
- 0893US7163774B2Toner for forming image, method for developing electrostatic latent image, method for fixing toner image, image forming method and process cartridge using the tonerRICOH KK·Filed 2004·Granted Jan 16, 2007·41 cites·49 claims
- 0991US7413839B2Toner, developer, toner container, process cartridge, and an image forming apparatusRICOH KK·Filed 2005·Granted Aug 19, 2008·12 cites·22 claims
- 1091US7379696B2Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the tonerRICOH KK·Filed 2005·Granted May 27, 2008·13 cites·9 claims
- 1191US7052815B2Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color tonerRICOH KK·Filed 2003·Granted May 30, 2006·30 cites·18 claims
- 1291US6939653B2Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming processRICOH KK·Filed 2002·Granted Sep 6, 2005·29 cites·17 claims
- 1390US9804515B2Toner, image forming apparatus, image forming method, process cartridge, and developerSUGIURA HIDEKI·Filed 2013·Granted Oct 31, 2017·5 cites·13 claims
- 1490US7217485B2Toner for electrophotography, and image fixing process, image forming process, image forming apparatus and process cartridge using the sameRICOH KK·Filed 2004·Granted May 15, 2007·34 cites·18 claims
- 1589US7550243B2Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming processRICOH KK·Filed 2008·Granted Jun 23, 2009·9 cites·7 claims
- 1688US9851649B2Toner, developer, image forming apparatus, and image forming methodMAKABE KEIJI·Filed 2013·Granted Dec 26, 2017·5 cites·8 claims
- 1788US7386266B2Image removing method, image removing device, and image forming apparatusRICOH KK·Filed 2006·Granted Jun 10, 2008·8 cites·13 claims
- 1887US11061344B2Toner, toner stored unit, image forming apparatus, and image forming methodSAWADA TOYOSHI·Filed 2018·Granted Jul 13, 2021·3 cites·9 claims
- 1987US7049037B2Color toner, method for manufacturing the toner, and image forming apparatus and method using the tonerRICOH KK·Filed 2004·Granted May 23, 2006·25 cites·9 claims
- 2086US7695878B2Image forming apparatus, process cartridge and toner for use in the image forming apparatusRICOH KK·Filed 2007·Granted Apr 13, 2010·7 cites·22 claims
- 2186US6830859B2Charge control agent and toner using sameRICOH KK·Filed 2002·Granted Dec 14, 2004·27 cites·12 claims
- 2284US6977129B2Charge control agent, toner using same developer containing the toner and developing device containing the developerTAKEMOTO OIL & FAT CO LTD·Filed 2002·Granted Dec 20, 2005·23 cites·16 claims
- 2383US7060407B2Image removing method, image removing device, and image forming apparatusRICOH KK·Filed 2003·Granted Jun 13, 2006·18 cites·9 claims
- 2482US9594322B2Toner for image formation, and developer and image forming apparatus using the tonerAMEMORI SUZUKA·Filed 2014·Granted Mar 14, 2017·3 cites·13 claims
- 2582US8663892B2Latent electrostatic image developing carrier, process cartridge and image forming apparatusYAGUCHI SHIGENORI·Filed 2012·Granted Mar 4, 2014·3 cites·13 claims
- 2680US10620557B2Toner, toner set, toner accommodating unit, image forming method, and image forming apparatusSAWADA TOYOSHI·Filed 2019·Granted Apr 14, 2020·1 cites·20 claims
- 2780US8263302B2Carrier for electrophotography and two-component developerMORIYA YOSHIHIRO·Filed 2009·Granted Sep 11, 2012·6 cites·9 claims
- 2878US9785075B2Toner, developer, image forming apparatus, and process cartridgeNAKAYAMA SHINYA·Filed 2013·Granted Oct 10, 2017·2 cites·16 claims
- 2976US10564571B2Toner set, image forming apparatus, and image forming methodSUZUKI KAZUMI·Filed 2018·Granted Feb 18, 2020·1 cites·10 claims
- 3075US8652738B2Contact developing method, image forming apparatus, and process cartridgeYAMAGUCHI KIMITOSHI·Filed 2011·Granted Feb 18, 2014·2 cites·10 claims
- 3174US7235338B2Toner and image forming method and process cartridge for image forming apparatus using the tonerRICOH KK·Filed 2004·Granted Jun 26, 2007·13 cites·21 claims
- 3271US9885967B2Resin for toner, toner, developer, image forming apparatus, and process cartridgeMIYAAKE AZUMI·Filed 2014·Granted Feb 6, 2018·1 cites·17 claims
- 3370US8927186B2Toner, and developer, image forming method and process cartridge using the tonerISHII MASAYUKI·Filed 2010·Granted Jan 6, 2015·1 cites·9 claims
- 3470US8637218B2Carrier for developing electrostatic latent image and developerSAKATA KOICHI·Filed 2012·Granted Jan 28, 2014·1 cites·11 claims
- 3569US8512928B2Carrier for developing electrostatic latent image, and two-component developer, supplemental developer, image forming apparatus, process cartridge, and image forming method using the carrierKISHIDA HIROYUKI·Filed 2011·Granted Aug 20, 2013·1 cites·18 claims
- 3668US9176406B2Toner, development agent, image forming apparatus, and process cartridgeSEKIGUCHI SATOYUKI·Filed 2013·Granted Nov 3, 2015·1 cites·18 claims
- 3768US8652735B2Carrier, developer, method of manufacturing carrier, developer container, image forming method, process cartridge, image forming apparatus, and supplemental developerSAKATA KOICHI·Filed 2011·Granted Feb 18, 2014·1 cites·14 claims
- 3866US11733619B2Printed matter, infrared-absorbing-pigment-containing toner, tonner set, image forming method, and image forming apparatusRICOH CO LTD·Filed 2019·Granted Aug 22, 2023·0 cites·15 claims
- 3966US8741520B2Image forming toner, image forming apparatus, image forming method, and process cartridgeSAWADA TOYOSHI·Filed 2009·Granted Jun 3, 2014·2 cites·15 claims
- 4061US11635711B2Image forming method and image forming apparatusRICOH CO LTD·Filed 2021·Granted Apr 25, 2023·0 cites·14 claims
- 4160US10451987B2Toner, image forming apparatus, image forming method, and toner accommodating unitSAWADA TOYOSHI·Filed 2018·Granted Oct 22, 2019·0 cites·8 claims
- 4259US8383307B2Toner, developer, and image forming method and apparatus using the tonerRICOH CO LTD·Filed 2009·Granted Feb 26, 2013·1 cites·15 claims
- 4359US7799498B2Toner used for image forming apparatusRICOH KK·Filed 2008·Granted Sep 21, 2010·1 cites·7 claims
- 4457US8778583B2Toner, developer, image forming apparatus, and process cartridgeISHII MASAYUKI·Filed 2012·Granted Jul 15, 2014·0 cites·10 claims
- 4557US7824834B2Toner for developing electrostatic image, method for preparing the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2007·Granted Nov 2, 2010·1 cites·28 claims
- 4655US9176409B2Toner, development agent, toner container, and image forming apparatusISHII MASAYUKI·Filed 2013·Granted Nov 3, 2015·0 cites·6 claims
- 4753US11537057B2Toner, toner accommodating unit, image forming apparatus, and image forming methodRICOH CO LTD·Filed 2020·Granted Dec 27, 2022·0 cites·15 claims
- 4852US9146487B2Carrier for developing electrostatic latent image, and electrostatic latent image developerSAWADA TOYOSHI·Filed 2013·Granted Sep 29, 2015·0 cites·8 claims
- 4951US8778587B2Carrier for electrostatic latent image developer, electrostatic latent image developer formed of carrier and toner, and process cartridge using the developerYAMAGUCHI KIMITOSHI·Filed 2012·Granted Jul 15, 2014·0 cites·9 claims
- 5051US2010119255A1Image forming apparatus, process cartridge and toner for use in the image forming apparatusSESHITA TAKUYA·Filed 2010·Application pending·0 cites
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →