Inventor · disambiguated record
Yasuyuki Fukunaga
Also filed as: FUKUNAGA YASUYUKI
39 granted patents·3 pending applications·113 citations·filing 1990–2024
96Inventor score
Files withKYOCERA DOCUMENT SOLUTIONS INC24MITA INDUSTRIAL CO LTD8FUKUNAGA YASUYUKI4KYOCERA MITA CORP4GODA MITSUHIRO1
Top patents by PatentIndex Score
42 records- 0191US9915888B2Image carrying member unit and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Mar 13, 2018·5 cites·5 claims
- 0291US8811857B2Sheet feeding device, and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Aug 19, 2014·6 cites·13 claims
- 0387US9016690B2Sheet conveying device and image forming apparatus with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Apr 28, 2015·6 cites·11 claims
- 0486US9348275B2Fixing device including a support bracket of a seperation plate with a sensor abutting portion that abuts a temperature sensor held by an arm member to restrict a clearance distance between the temperature sensor and a heating rotating body and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted May 24, 2016·3 cites·5 claims
- 0582US9671732B2Image forming apparatus provided with fixing unit having mechanism capable of selectively executing driving of roller or operation of varying fixing nip pressure by switching rotation direction of one driving input gearKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Jun 6, 2017·2 cites·7 claims
- 0682US8090306B2Waste-toner collection system and image forming apparatus having the sameFUKUNAGA YASUYUKI·Filed 2009·Granted Jan 3, 2012·7 cites·5 claims
- 0781US7865092B2Waste toner collecting device and image forming apparatus incorporating the sameKYOCERA MITA CORP·Filed 2008·Granted Jan 4, 2011·6 cites·8 claims
- 0880US9201363B2Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Dec 1, 2015·2 cites·5 claims
- 0980US8437659B2Image forming apparatus including transfer and feeding unitFUKUNAGA YASUYUKI·Filed 2011·Granted May 7, 2013·3 cites·3 claims
- 1078US9225863B2Image forming apparatus ensuring weight balance when opening/closing document reading unit and document coverKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Dec 29, 2015·3 cites·4 claims
- 1177US10532575B2Ink-jet recording apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Granted Jan 14, 2020·1 cites·8 claims
- 1277US5485251ACleaning device for an electrostatic chargerMITA INDUSTRIAL CO LTD·Filed 1994·Granted Jan 16, 1996·23 cites·2 claims
- 1376US9290339B2Sheet feed cassette, paper sheet conveying device, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Mar 22, 2016·3 cites·6 claims
- 1474US11872820B2Liquid leakage detection device including two absorption layers and pair of terminals, and ink jet recording apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Jan 16, 2024·0 cites·10 claims
- 1569US8931775B2Sheet conveying device and image forming apparatus including the sheet conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jan 13, 2015·2 cites·20 claims
- 1668US11623446B2Ink supply device and image forming systemKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Apr 11, 2023·0 cites·14 claims
- 1768US7929899B2Waste toner container, waste toner-accumulating structure, and image forming apparatus equipped therewithKYOCERA MITA CORP·Filed 2009·Granted Apr 19, 2011·3 cites·16 claims
- 1866US11584129B2Inkjet recording apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Feb 21, 2023·0 cites·13 claims
- 1966US9063474B2Transfer device and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jun 23, 2015·1 cites·10 claims
- 2065US7725070B2Waste toner collecting device and image forming apparatus loaded therewithKYOCERA MITA CORP·Filed 2008·Granted May 25, 2010·2 cites·9 claims
- 2160US10875313B2Wipe unit and ink-jet recording apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Dec 29, 2020·0 cites·6 claims
- 2260US10744772B2Inkjet recording apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Aug 18, 2020·0 cites·7 claims
- 2359US10919300B2Cap unit for recording head and inkjet recording apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Feb 16, 2021·0 cites·10 claims
- 2455US5708928ACompact cleaning apparatus for image forming apparatusMITA INDUSTRIAL CO LTD·Filed 1996·Granted Jan 13, 1998·12 cites·13 claims
- 2554US10814632B2Cap member and ink-jet recording apparatus including sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Oct 27, 2020·0 cites·14 claims
- 2654US8301072B2Guide roller unit, guiding device, and image forming apparatusFUKUNAGA YASUYUKI·Filed 2008·Granted Oct 30, 2012·1 cites·20 claims
- 2754US2024364828A1Image forming system including image reading deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 2852US10239319B2Ink-jet recording apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Granted Mar 26, 2019·0 cites·14 claims
- 2951US10105954B2Inkjet recording deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Oct 23, 2018·0 cites·9 claims
- 3051US2024305727A1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 3150US8195068B2Charging unit and image forming apparatusFUKUNAGA YASUYUKI·Filed 2009·Granted Jun 5, 2012·0 cites·10 claims
- 3249US5311260ADeveloping deviceMITA INDUSTRIAL CO LTD·Filed 1992·Granted May 10, 1994·6 cites·9 claims
- 3346US2020122469A1Recording head maintenance device and inkjet recording apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Application pending·0 cites
- 3443US8208829B2Image forming apparatus and image forming unitGODA MITSUHIRO·Filed 2009·Granted Jun 26, 2012·0 cites·9 claims
- 3542US7734222B2Image forming apparatus with flexible tube for cooling air and guide channel for flexible tubeKYOCERA MITA CORP·Filed 2006·Granted Jun 8, 2010·0 cites·16 claims
- 3642US5379096ADeveloping deviceMITA INDUSTRIAL CO LTD·Filed 1994·Granted Jan 3, 1995·4 cites·11 claims
- 3741US7948200B2Motor drive device, image reading device, image forming apparatus, and motor drive methodRICOH CO LTD·Filed 2008·Granted May 24, 2011·1 cites·12 claims
- 3840US9507305B2Fixing device having nip pressure adjustment and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Nov 29, 2016·0 cites·4 claims
- 3940US5182584AMulticolor developing device with improved movable frame arrangementMITA INDUSTRIAL CO LTD·Filed 1990·Granted Jan 26, 1993·6 cites·38 claims
- 4037US5408303APositioning mechanism for a cleaning device provided in an image forming apparatusMITA INDUSTRIAL CO LTD·Filed 1992·Granted Apr 18, 1995·4 cites·6 claims
- 4132US5390009ADeveloping deviceMITA INDUSTRIAL CO LTD·Filed 1994·Granted Feb 14, 1995·1 cites·5 claims
- 4226US5293206AColor image forming apparatus with optium operation of developing device positioning mechanismMITA INDUSTRIAL CO LTD·Filed 1990·Granted Mar 8, 1994·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →