Inventor · disambiguated record
Takaya Muraishi
Also filed as: MURAISHI TAKAYA
29 granted patents·2 pending applications·451 citations·filing 1991–2020
97Inventor score
Top patents by PatentIndex Score
31 records- 0195US8682208B2Cleaning device, image forming apparatus including same, and method for mounting sameASAOKA AKIRA·Filed 2011·Granted Mar 25, 2014·15 cites·8 claims
- 0295US5878317AElectrophotographic method and apparatus including a toner recycle featureRICOH KK·Filed 1997·Granted Mar 2, 1999·85 cites·21 claims
- 0394US5799229AToner spreading device for a charging roller of an image forming apparatusRICOH KK·Filed 1997·Granted Aug 25, 1998·69 cites·48 claims
- 0491US7680446B2Cleaning device, process cartridge and image forming apparatusRICOH KK·Filed 2007·Granted Mar 16, 2010·12 cites·12 claims
- 0591US5946529AImage forming apparatus using a roller type charging systemRICOH KK·Filed 1997·Granted Aug 31, 1999·53 cites·12 claims
- 0690US8000627B2Charging device, process cartridge, image forming apparatus, and tonerRICOH CO LTD·Filed 2005·Granted Aug 16, 2011·10 cites·41 claims
- 0790US7756439B2Image forming apparatus and process cartridge used thereinRICOH KK·Filed 2008·Granted Jul 13, 2010·11 cites·17 claims
- 0889US5594539APaper guide device for image forming apparatusRICOH KK·Filed 1995·Granted Jan 14, 1997·54 cites·32 claims
- 0988US8428488B2Charging device, process cartridge, image forming apparatus, and tonerMIZUISHI HARUJI·Filed 2011·Granted Apr 23, 2013·7 cites·17 claims
- 1088US6628912B2Charge roller for an image forming apparatus and method of producing the sameRICOH KK·Filed 2001·Granted Sep 30, 2003·28 cites·20 claims
- 1187US7899383B2Lubricating device, lubricant applicator, and priming agent used therewithRICOH CO LTD·Filed 2008·Granted Mar 1, 2011·8 cites·19 claims
- 1286US7873291B2Image forming apparatus and process cartridge including charging bias adjustment controlRICOH CO LTD·Filed 2008·Granted Jan 18, 2011·8 cites·20 claims
- 1385US8699898B2Apparatus and method for changing a voltage setting for an image forming apparatusKIKUCHI HISASHI·Filed 2011·Granted Apr 15, 2014·4 cites·14 claims
- 1484US7894758B2Image forming apparatus, image forming device charging device and lubricant supplying device constitutionRICOH CO LTD·Filed 2007·Granted Feb 22, 2011·7 cites·12 claims
- 1582US8699908B2Cleaning device and image forming apparatus including sameKIKUCHI HISASHI·Filed 2011·Granted Apr 15, 2014·3 cites·5 claims
- 1679US6088551ACharging device for image forming apparatusRICOH KK·Filed 1998·Granted Jul 11, 2000·28 cites·3 claims
- 1778US8204423B2Cleaning device with accumulation prevention, process cartridge, and image forming apparatus including sameHATORI SATOSHI·Filed 2009·Granted Jun 19, 2012·5 cites·3 claims
- 1875US8483605B2Cleaning device and image forming apparatus including sameASAOKA AKIRA·Filed 2011·Granted Jul 9, 2013·2 cites·13 claims
- 1974US7835683B2Cleaning unit, image carrying unit and image forming apparatus using the sameRICOH CO LTD·Filed 2008·Granted Nov 16, 2010·4 cites·14 claims
- 2071US7263308B2Cleaning member, cleaning device, charging device, transfer device, process cartridge, and image forming apparatusRICOH KK·Filed 2004·Granted Aug 28, 2007·13 cites·24 claims
- 2170US7949281B2Process cartridge and image forming apparatus for effectively cleaning a charging roller at predetermined intervalsRICOH CO LTD·Filed 2007·Granted May 24, 2011·3 cites·18 claims
- 2269US5194050APositioning device for an endless beltRICOH KK·Filed 1991·Granted Mar 16, 1993·17 cites·6 claims
- 2368US8315535B2Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unitSHINTANI TAKESHI·Filed 2009·Granted Nov 20, 2012·3 cites·20 claims
- 2462US8095059B2Image forming apparatus with coating modeSHINTANI TAKESHI·Filed 2009·Granted Jan 10, 2012·2 cites·5 claims
- 2550US7995947B2Image forming apparatus, and charging device and process cartridge used in the image forming apparatusRICOH CO LTD·Filed 2008·Granted Aug 9, 2011·0 cites·20 claims
- 2645US8204422B2Image forming apparatus and process cartridge having a charging unitHATORI SATOSHI·Filed 2008·Granted Jun 19, 2012·0 cites·20 claims
- 2742US2013315617A1Image forming apparatusSUGIURA KENJI·Filed 2013·Application pending·0 cites
- 2839US11647170B2Image projection deviceTAKAHASHI TOMOKO·Filed 2020·Granted May 9, 2023·0 cites·16 claims
- 2937US8280293B2Image forming apparatusSHINTANI TAKESHI·Filed 2010·Granted Oct 2, 2012·0 cites·18 claims
- 3036US2008253806A1Grid electrode, scorotron charger, and process cartridge, and image forming apparatus incorporating sameYOSHINO KAORU·Filed 2008·Application pending·0 cites
- 3130US8999501B2Urethane foam member, seal structure, toner storage container, process cartridge, image forming apparatusMURAISHI TAKAYA·Filed 2008·Granted Apr 7, 2015·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →