Inventor · disambiguated record
Akio Kosuge
Also filed as: KOSUGE AKIO
52 granted patents·6 pending applications·892 citations·filing 1997–2025
98Inventor score
Top patents by PatentIndex Score
58 records- 0198US6567637B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2001·Granted May 20, 2003·105 cites·28 claims
- 0298US6505022B2Image forming apparatus having protective layer on the surface of image bearing member to avoid adhesion of film of additives to image bearing memberRICOH KK·Filed 2001·Granted Jan 7, 2003·110 cites·40 claims
- 0398US6249304B1Image forming apparatus and image forming method for forming color images by gray-level image forming techniqueRICOH KK·Filed 1997·Granted Jun 19, 2001·141 cites·19 claims
- 0496US6775511B2Image forming apparatus capable of adjusting an amount of lubricant to be applied onto an image carrierRICOH KK·Filed 2002·Granted Aug 10, 2004·70 cites·24 claims
- 0596US6576388B2Multilayer electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the photoreceptorRICOH KK·Filed 2001·Granted Jun 10, 2003·68 cites·24 claims
- 0695US6122468AMethod and apparatus for forming toner imagesRICOH KK·Filed 1999·Granted Sep 19, 2000·82 cites·27 claims
- 0794US6768879B2Image forming apparatus that applies lubricant to a surface of image carrierRICOH KK·Filed 2002·Granted Jul 27, 2004·56 cites·21 claims
- 0894US6748190B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2003·Granted Jun 8, 2004·42 cites·28 claims
- 0993US8380115B2Lubricant applicator, image forming apparatus, and process cartridgeRICOH CO LTD·Filed 2010·Granted Feb 19, 2013·9 cites·7 claims
- 1091US7680446B2Cleaning device, process cartridge and image forming apparatusRICOH KK·Filed 2007·Granted Mar 16, 2010·12 cites·12 claims
- 1191US7289748B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2005·Granted Oct 30, 2007·10 cites·14 claims
- 1291US6990305B2Charging device using a charge roller and image forming apparatus including the sameRICOH KK·Filed 2005·Granted Jan 24, 2006·10 cites·15 claims
- 1390US7778560B2Image forming apparatus and method of adjusting charge biasRICOH KK·Filed 2007·Granted Aug 17, 2010·10 cites·11 claims
- 1490US7756439B2Image forming apparatus and process cartridge used thereinRICOH KK·Filed 2008·Granted Jul 13, 2010·11 cites·17 claims
- 1589US7113727B2Charging device using a charge roller and image forming apparatus including the sameRICOH KK·Filed 2005·Granted Sep 26, 2006·8 cites·8 claims
- 1688US8712261B2Lubricant supplying device, process cartridge, and image forming apparatusKUDO NORIO·Filed 2012·Granted Apr 29, 2014·5 cites·13 claims
- 1787US7899383B2Lubricating device, lubricant applicator, and priming agent used therewithRICOH CO LTD·Filed 2008·Granted Mar 1, 2011·8 cites·19 claims
- 1887US7340200B2Charging unit and image forming apparatus incorporating the unitRICOH KK·Filed 2005·Granted Mar 4, 2008·8 cites·34 claims
- 1986US7873291B2Image forming apparatus and process cartridge including charging bias adjustment controlRICOH CO LTD·Filed 2008·Granted Jan 18, 2011·8 cites·20 claims
- 2085US6961529B2Charging device using a charge roller and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Nov 1, 2005·18 cites·13 claims
- 2185US6560438B2Method for removing deposit from image substrate and image formation apparatus using the methodRICOH KK·Filed 2001·Granted May 6, 2003·24 cites·17 claims
- 2284US7894758B2Image forming apparatus, image forming device charging device and lubricant supplying device constitutionRICOH CO LTD·Filed 2007·Granted Feb 22, 2011·7 cites·12 claims
- 2382US8428475B2Waste toner container and image forming apparatus incorporating sameTOMITA DAISUKE·Filed 2010·Granted Apr 23, 2013·3 cites·7 claims
- 2481US9651910B2Image forming apparatus incorporating line sensorKOSUGE AKIO·Filed 2016·Granted May 16, 2017·2 cites·16 claims
- 2578US8204423B2Cleaning device with accumulation prevention, process cartridge, and image forming apparatus including sameHATORI SATOSHI·Filed 2009·Granted Jun 19, 2012·5 cites·3 claims
- 2678US7155146B2Method and apparatus for electro photographic image forming capable of effectively performing an evenly charging operationRICOH KK·Filed 2004·Granted Dec 26, 2006·14 cites·39 claims
- 2776US7302197B2Image forming apparatus having a detachable process cartridge and a lubricantRICOH KK·Filed 2004·Granted Nov 27, 2007·11 cites·18 claims
- 2875US7218880B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2004·Granted May 15, 2007·10 cites·18 claims
- 2974US8725009B2Image forming apparatusTOMITA DAISUKE·Filed 2011·Granted May 13, 2014·2 cites·18 claims
- 3074US7835683B2Cleaning unit, image carrying unit and image forming apparatus using the sameRICOH CO LTD·Filed 2008·Granted Nov 16, 2010·4 cites·14 claims
- 3174US7702257B2Image forming apparatus with image bearing member having a lubricantRICOH KK·Filed 2007·Granted Apr 20, 2010·3 cites·7 claims
- 3274US7551879B2Charging device, process unit, image forming apparatus, and method for producing rotating memberRICOH KK·Filed 2005·Granted Jun 23, 2009·4 cites·5 claims
- 3370US7756447B2Image forming apparatus and method of preparing toner for use in image forming apparatusRICOH KK·Filed 2009·Granted Jul 13, 2010·2 cites·6 claims
- 3469US8718530B2Lubricant supply device, process cartridge, and image forming apparatusKUDO NORIO·Filed 2012·Granted May 6, 2014·1 cites·13 claims
- 3568US8315535B2Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unitSHINTANI TAKESHI·Filed 2009·Granted Nov 20, 2012·3 cites·20 claims
- 3667US9042778B2Powder refilling device, process cartridge and image including same, and powder refilling methodSAITOH KAZUYA·Filed 2013·Granted May 26, 2015·1 cites·18 claims
- 3767US8913923B2Image forming apparatus with neutralizer and image forming methodKOSUGE AKIO·Filed 2012·Granted Dec 16, 2014·1 cites·8 claims
- 3867US8761654B2Cleaning device, process cartridge, and image forming apparatusKAWAHARA SHINICHI·Filed 2011·Granted Jun 24, 2014·1 cites·8 claims
- 3963US11709442B2Consumable supply method, consumable container, image forming apparatus, and refill consumable containerKOIKE TOSHIO·Filed 2022·Granted Jul 25, 2023·0 cites·12 claims
- 4062US8095059B2Image forming apparatus with coating modeSHINTANI TAKESHI·Filed 2009·Granted Jan 10, 2012·2 cites·5 claims
- 4162US2025383620A1Protective layer forming device and image forming apparatusOHMORI MASAHIRO·Filed 2025·Application pending·0 cites
- 4259US7603063B2Method and apparatus for electro photographic image forming capable of effectively performing an evenly charging operationRICOH KK·Filed 2006·Granted Oct 13, 2009·1 cites·20 claims
- 4353US8103181B2Image forming apparatus and method of adjusting charge biasISHIBASHI HITOSHI·Filed 2010·Granted Jan 24, 2012·0 cites·19 claims
- 4453US2025100837A1Charge neutralizer, image forming apparatus, and image forming systemKOSUGE AKIO·Filed 2024·Application pending·0 cites
- 4551US7596344B2Charging unit and image forming apparatus incorporating the unitRICOH KK·Filed 2008·Granted Sep 29, 2009·0 cites·7 claims
- 4650US7995947B2Image 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
- 4748US11226571B2Image forming apparatus that controls a charging bias based on an estimated surface potentialKOSUGE AKIO·Filed 2020·Granted Jan 18, 2022·0 cites·20 claims
- 4847US9857745B2Image forming apparatus incorporating image readerMATSUE NATSUMI·Filed 2016·Granted Jan 2, 2018·0 cites·8 claims
- 4945US8204422B2Image forming apparatus and process cartridge having a charging unitHATORI SATOSHI·Filed 2008·Granted Jun 19, 2012·0 cites·20 claims
- 5045US2023024199A1Sheet conveyance guide and image forming apparatus incorporating the sheet conveyance guideMAKINO HIDEYO·Filed 2022·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →