Inventor · disambiguated record
Katsuyuki Yokoi
Also filed as: YOKOI KATSUYUKI
75 granted patents·1 pending application·1,679 citations·filing 1983–2018
99Inventor score
Files withCANON KK49BROTHER IND LTD23FURUKAWA TOSHIO1MIYAHARA KENSUKE1NIPPON MUSICAL INSTRUMENTS MFG1
Top patents by PatentIndex Score
76 records- 0198US10427412B2Liquid ejecting apparatus and liquid refilling containerCANON KK·Filed 2017·Granted Oct 1, 2019·38 cites·12 claims
- 0298US5040000AInk jet recording apparatus having a space saving ink recovery systemCANON KK·Filed 1989·Granted Aug 13, 1991·160 cites·24 claims
- 0397US7536130B2Cartridge detachable from image forming deviceBROTHER IND LTD·Filed 2008·Granted May 19, 2009·19 cites·14 claims
- 0497US7079783B2Developing cartridge detachable from image forming deviceBROTHER IND LTD·Filed 2003·Granted Jul 18, 2006·59 cites·45 claims
- 0597US5358230ASheet supplying apparatusCANON KK·Filed 1993·Granted Oct 25, 1994·90 cites·16 claims
- 0696US6647227B2Intermediate transfer type image forming apparatus and method thereofBROTHER IND LTD·Filed 2002·Granted Nov 11, 2003·63 cites·31 claims
- 0795US7203448B2Image forming apparatusBROTHER IND LTD·Filed 2005·Granted Apr 10, 2007·16 cites·9 claims
- 0895US4646110ALiquid injection recording apparatusCANON KK·Filed 1983·Granted Feb 24, 1987·73 cites·15 claims
- 0995US4587534ALiquid injection recording apparatusCANON KK·Filed 1984·Granted May 6, 1986·84 cites·3 claims
- 1095US4568953ALiquid injection recording apparatusCANON KK·Filed 1983·Granted Feb 4, 1986·79 cites·2 claims
- 1194US5982400ASheet feeding apparatus and image forming systemCANON KK·Filed 1992·Granted Nov 9, 1999·40 cites·13 claims
- 1293US7486904B2Multicolor image forming apparatus and image making deviceBROTHER IND LTD·Filed 2006·Granted Feb 3, 2009·14 cites·23 claims
- 1393US6973279B2Image forming apparatusBROTHER IND LTD·Filed 2004·Granted Dec 6, 2005·34 cites·19 claims
- 1493US4951066AInk jet recording apparatus having a discharge orifice surface and a blade and rubbing member for cleaning the surface independently of each otherCANON KK·Filed 1988·Granted Aug 21, 1990·75 cites·32 claims
- 1591US6793425B2Feeding device with loading device adapted to hold a plurality of media or a storage case with a plurality of media and recording apparatus containing sameCANON KK·Filed 2003·Granted Sep 21, 2004·30 cites·11 claims
- 1691US6092893ASheet feeding apparatus and image forming systemCANON KK·Filed 1995·Granted Jul 25, 2000·37 cites·14 claims
- 1788US7429041B2Apparatus for feeding sheet using retractable edge guide for guiding lateral edge of sheetBROTHER IND LTD·Filed 2005·Granted Sep 30, 2008·11 cites·34 claims
- 1888US6257692B1Image forming system with sheet feeding speed controlCANON KK·Filed 1995·Granted Jul 10, 2001·32 cites·6 claims
- 1988US5138343AInk jet recording apparatus with recovery meansCANON KK·Filed 1991·Granted Aug 11, 1992·66 cites·25 claims
- 2087US7596341B2Image forming apparatus with vertically arranged process unitsBROTHER IND LTD·Filed 2007·Granted Sep 29, 2009·7 cites·24 claims
- 2187US7421225B2Developing cartridge detachable from image forming deviceBROTHER IND LTD·Filed 2006·Granted Sep 2, 2008·6 cites·11 claims
- 2286US5793399ASheet supplying apparatusCANON KK·Filed 1994·Granted Aug 11, 1998·55 cites·29 claims
- 2385US7136613B2Multicolor image forming apparatus and image making deviceBROTHER IND LTD·Filed 2004·Granted Nov 14, 2006·20 cites·15 claims
- 2480US5873663APrinting apparatus and printing method thereofCANON KK·Filed 1997·Granted Feb 23, 1999·41 cites·7 claims
- 2579US10668732B2Ink tank and ink jet recording apparatusCANON KK·Filed 2018·Granted Jun 2, 2020·1 cites·10 claims
- 2679US7605930B2Image processing deviceBROTHER IND LTD·Filed 2003·Granted Oct 20, 2009·17 cites·42 claims
- 2778US10744784B2Tube pump and liquid ejection apparatusCANON KK·Filed 2018·Granted Aug 18, 2020·1 cites·18 claims
- 2878US10214032B2Printing apparatusCANON KK·Filed 2017·Granted Feb 26, 2019·1 cites·13 claims
- 2978US7401914B2Printing apparatus and method for controlling printing apparatusCANON KK·Filed 2005·Granted Jul 22, 2008·5 cites·11 claims
- 3078US4660056ALiquid jet recording headCANON KK·Filed 1985·Granted Apr 21, 1987·25 cites·4 claims
- 3177US5105210AInk jet recording apparatus expandable to accommodate variable sheet widthsCANON KK·Filed 1989·Granted Apr 14, 1992·30 cites·36 claims
- 3275US7695129B2Recording apparatus and recording methodCANON KK·Filed 2006·Granted Apr 13, 2010·4 cites·4 claims
- 3374US7027075B2Thermal fixing device and image forming device provided with the sameBROTHER IND LTD·Filed 2003·Granted Apr 11, 2006·13 cites·34 claims
- 3473US6139010ASheet convey apparatusCANON KK·Filed 1997·Granted Oct 31, 2000·21 cites·19 claims
- 3573US5398049ARecording apparatus for method for controlling distance between recording head and recording mediumCANON KK·Filed 1994·Granted Mar 14, 1995·29 cites·31 claims
- 3671US7699460B2Printing apparatus and printing methodCANON KK·Filed 2005·Granted Apr 20, 2010·3 cites·7 claims
- 3771US5907343AInk jet recording apparatus and cartridge for use in the sameCANON KK·Filed 1997·Granted May 25, 1999·28 cites·30 claims
- 3871US5235353ACompact ink jet recording apparatus with particular design for recording medium conveyance and supportCANON KK·Filed 1992·Granted Aug 10, 1993·27 cites·3 claims
- 3969US5479193ADevice for detecting when a particular amount of ink remains in an ink jet recording apparatus and recording apparatus using the sameCANON KK·Filed 1993·Granted Dec 26, 1995·21 cites·11 claims
- 4069US5223858ARecording apparatusCANON KK·Filed 1991·Granted Jun 29, 1993·25 cites·15 claims
- 4167US6766120B2Electrostatic image forming device with conditional toner cleaning rollerBROTHER IND LTD·Filed 2002·Granted Jul 20, 2004·10 cites·14 claims
- 4267US5504512AInk jet recording apparatus and ink cartridge usable therewithCANON KK·Filed 1994·Granted Apr 2, 1996·19 cites·6 claims
- 4366US4866003APlasma vapor deposition of an improved passivation film using electron cyclotron resonanceYAMAHA CORP·Filed 1987·Granted Sep 12, 1989·32 cites·3 claims
- 4464US7209678B2Developing cartridge detachable from image forming deviceBROTHER IND LTD·Filed 2006·Granted Apr 24, 2007·1 cites·22 claims
- 4564US6830398B2Recording apparatus and method for discriminating recording medium typeCANON KK·Filed 2003·Granted Dec 14, 2004·9 cites·9 claims
- 4664US6819350B2Image forming apparatus and a cleaning mechanism thereforBROTHER IND LTD·Filed 2002·Granted Nov 16, 2004·8 cites·26 claims
- 4763US5959641AInk-jet recording apparatus and method utilizing processing liquid to improve ink recordingCANON KK·Filed 1995·Granted Sep 28, 1999·21 cites·23 claims
- 4862US9073715B2Sheet feeding mechanism and recording apparatus having the sheet feeding mechanismCANON KK·Filed 2013·Granted Jul 7, 2015·1 cites·22 claims
- 4962US7711299B2Color image forming apparatus with discharge memberBROTHER IND LTD·Filed 2007·Granted May 4, 2010·2 cites·8 claims
- 5062US5764245ARecording apparatus and recording methodCANON KK·Filed 1995·Granted Jun 9, 1998·20 cites·33 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →