Inventor · disambiguated record
Yutaka Fukuchi
Also filed as: FUKUCHI YUTAKA
40 granted patents·1 pending application·1,283 citations·filing 1990–2011
98Inventor score
Top patents by PatentIndex Score
41 records- 0199US8195070B2Developer container, developer supplying device, and image forming apparatusHOSOKAWA HIROSHI·Filed 2011·Granted Jun 5, 2012·47 cites·12 claims
- 0299US8005406B2Developer container, developer supplying device, and image forming apparatusRICOH CO LTD·Filed 2010·Granted Aug 23, 2011·60 cites·18 claims
- 0399US7835673B2Developer container, developer supplying device, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Nov 16, 2010·58 cites·28 claims
- 0499US7697870B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2009·Granted Apr 13, 2010·54 cites·26 claims
- 0599US7519317B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2007·Granted Apr 14, 2009·72 cites·25 claims
- 0699US7480476B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2007·Granted Jan 20, 2009·115 cites·20 claims
- 0799US7321744B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2004·Granted Jan 22, 2008·111 cites·49 claims
- 0898US5300996AFixing apparatusRICOH KK·Filed 1992·Granted Apr 5, 1994·94 cites·13 claims
- 0997US7447469B2Image forming device and mounting member for mounting a toner container thereonRICOH KK·Filed 2005·Granted Nov 4, 2008·36 cites·49 claims
- 1097US6898407B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2003·Granted May 24, 2005·61 cites·56 claims
- 1197US5329340AImage forming apparatusRICOH KK·Filed 1993·Granted Jul 12, 1994·83 cites·16 claims
- 1295US7263309B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2005·Granted Aug 28, 2007·15 cites·26 claims
- 1393US7333749B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2007·Granted Feb 19, 2008·10 cites·32 claims
- 1493US7174121B2Apparatus for image forming and image developing with an improvement of toner container holdingRICOH KK·Filed 2005·Granted Feb 6, 2007·14 cites·35 claims
- 1592US7016629B2Image forming apparatus with discharging unit of increased capacityRICOH KK·Filed 2004·Granted Mar 21, 2006·30 cites·38 claims
- 1691USRE36124EFixing apparatusRICOH KK·Filed 1996·Granted Mar 2, 1999·50 cites·13 claims
- 1790US7215907B2Method and apparatus for image forming capable of effectively eliminating color displacementsRICOH KK·Filed 2004·Granted May 8, 2007·32 cites·73 claims
- 1889US7400851B2Image forming apparatus with pressure applying members that apply pressure to support shaftsRICOH KK·Filed 2005·Granted Jul 15, 2008·11 cites·54 claims
- 1988US7313344B2Image forming apparatus with detachable power-requiring unit and unit positioning memberRICOH KK·Filed 2006·Granted Dec 25, 2007·7 cites·20 claims
- 2088US6385418B1Rotational driving apparatus for use in an image-forming deviceRICOH KK·Filed 2000·Granted May 7, 2002·32 cites·22 claims
- 2187US7181152B2Image forming apparatus for reliably holding attachable unitsRICOH KK·Filed 2004·Granted Feb 20, 2007·28 cites·42 claims
- 2287US6970665B2Image forming apparatus with detachable power-requiring unitRICOH KK·Filed 2003·Granted Nov 29, 2005·20 cites·17 claims
- 2385US5124759AControl method for detecting a paper jam using a toner density sensorRICOH KK·Filed 1990·Granted Jun 23, 1992·34 cites·15 claims
- 2483US7164874B2Image forming apparatus with detachable power-requiring unitRICOH KK·Filed 2005·Granted Jan 16, 2007·5 cites·3 claims
- 2583US5055881ADevice for supplying a toner to a developing unitRICOH KK·Filed 1990·Granted Oct 8, 1991·28 cites·3 claims
- 2680US7324780B2Image forming apparatus, waste toner tank, and a method of moving waste tonerRICOH KK·Filed 2005·Granted Jan 29, 2008·7 cites·24 claims
- 2778US7406283B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2007·Granted Jul 29, 2008·3 cites·9 claims
- 2877US7606521B2Desktop color image forming apparatus and method of making the sameRICOH KK·Filed 2008·Granted Oct 20, 2009·3 cites·19 claims
- 2977US6576177B2System and method for molding a plastic gear suppressing shrinkageRICOH KK·Filed 2000·Granted Jun 10, 2003·14 cites·3 claims
- 3077US5052336ADeveloping roller for a developing unit with transport, develop and collect magnetsRICOH KK·Filed 1990·Granted Oct 1, 1991·23 cites·6 claims
- 3176US7620345B2Image forming apparatus including an operation panel provided on a facingRICOH KK·Filed 2007·Granted Nov 17, 2009·3 cites·18 claims
- 3276US5689764AImage forming apparatus and device for driving a contact type charging memberRICOH KK·Filed 1996·Granted Nov 18, 1997·32 cites·10 claims
- 3369US7147223B2Sheet conveying device and image forming apparatus including the sheet conveying deviceRICOH KK·Filed 2003·Granted Dec 12, 2006·9 cites·16 claims
- 3469US6834850B2Percussive noises supressing sheet feeding method and apparatusRICOH KK·Filed 2002·Granted Dec 28, 2004·9 cites·16 claims
- 3568US7530439B2Drive device, sheet conveying device, and image forming apparatus including drive force transmitting unit including reverse preventing mechanism for preventing shaft from being reversedRICOH KK·Filed 2005·Granted May 12, 2009·2 cites·11 claims
- 3668US5040025AToner cartridge for an image forming apparatusRICOH KK·Filed 1990·Granted Aug 13, 1991·28 cites·5 claims
- 3766US6181899B1Vibration reducing plastic gearRICOH KK·Filed 1998·Granted Jan 30, 2001·23 cites·10 claims
- 3859US7706727B2Apparatus for image forming and image developing with an improvement of toner container holdingRICOH KK·Filed 2006·Granted Apr 27, 2010·1 cites·5 claims
- 3957US6128451AImage forming apparatus having digital image data supply deviceRICOH KK·Filed 1997·Granted Oct 3, 2000·19 cites·30 claims
- 4048US2006120763A1Image forming apparatusISHII HIROSHI·Filed 2006·Application pending·0 cites
- 4140US7086850B2System and method for molding plastic gear suppressing shrinkageRICOH KK·Filed 2003·Granted Aug 8, 2006·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →