Inventor · disambiguated record
Takatsugu Fujishiro
Also filed as: FUJISHIRO TAKATSUGU
42 granted patents·5 pending applications·1,019 citations·filing 1992–2014
98Inventor score
Top patents by PatentIndex Score
47 records- 0197US5339141ADeveloping device with a developer carrier capable of forming numerous microfields thereonRICOH KK·Filed 1993·Granted Aug 16, 1994·97 cites·45 claims
- 0296US7373101B2Method and apparatus for image forming and effectively applying lubricant to an image bearing memberRICOH KK·Filed 2005·Granted May 13, 2008·24 cites·34 claims
- 0396US6295438B1Method and apparatus for forming an image capable of supplying a proper amount of a lubricant to each image forming sectionRICOH KK·Filed 2000·Granted Sep 25, 2001·80 cites·14 claims
- 0496US5565973ARotary developing device for an image forming apparatusRICOH KK·Filed 1995·Granted Oct 15, 1996·106 cites·11 claims
- 0596US5424814ADeveloping device with microfields formed on developer carrierRICOH KK·Filed 1992·Granted Jun 13, 1995·78 cites·26 claims
- 0695US6546219B2Method and apparatus for performing a charging process on an image carrying deviceRICOH KK·Filed 2001·Granted Apr 8, 2003·70 cites·22 claims
- 0793US7826786B2Image forming apparatus, lubricant applying device, transfer device, process cartridge, and tonerRICOH KK·Filed 2005·Granted Nov 2, 2010·17 cites·13 claims
- 0893US6470161B2Apparatus for minimizing toner contamination on an image formation memberRICOH KK·Filed 2001·Granted Oct 22, 2002·65 cites·26 claims
- 0992US7542712B2Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridgeRICOH KK·Filed 2006·Granted Jun 2, 2009·15 cites·4 claims
- 1092US5440373AColor image forming apparatusRICOH KK·Filed 1994·Granted Aug 8, 1995·51 cites·11 claims
- 1191US7463852B2Image forming apparatus having a developer conveying system and associated methodologyRICOH KK·Filed 2006·Granted Dec 9, 2008·12 cites·20 claims
- 1291US5655193ADeveloping device for image forming apparatus with toner recirculation operationRICOH KK·Filed 1995·Granted Aug 5, 1997·60 cites·7 claims
- 1389US7672635B2Method and apparatus for image forming and effectively applying lubricant to an image bearing memberRICOH KK·Filed 2008·Granted Mar 2, 2010·8 cites·18 claims
- 1489US7333744B2Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltageRICOH KK·Filed 2005·Granted Feb 19, 2008·11 cites·15 claims
- 1589US5537197ARotary developing device for image forming apparatusRICOH KK·Filed 1994·Granted Jul 16, 1996·39 cites·18 claims
- 1688US6628912B2Charge roller for an image forming apparatus and method of producing the sameRICOH KK·Filed 2001·Granted Sep 30, 2003·28 cites·20 claims
- 1787US5515145AColor image forming apparatus having integral multiple length beltRICOH KK·Filed 1993·Granted May 7, 1996·36 cites·8 claims
- 1886US6778797B2Charging roller having elastic memberRICOH KK·Filed 2001·Granted Aug 17, 2004·26 cites·52 claims
- 1986US5512984ARevolver type developing device for an image forming apparatusRICOH KK·Filed 1994·Granted Apr 30, 1996·32 cites·25 claims
- 2084US7321742B2Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drumRICOH KK·Filed 2006·Granted Jan 22, 2008·8 cites·17 claims
- 2181US7477856B2Method and apparatus for image forming capable of effectively preventing resonance of frequenciesRICOH KK·Filed 2005·Granted Jan 13, 2009·6 cites·17 claims
- 2281US7344615B2Method and apparatus for performing a charging process on an image carrying deviceRICOH KK·Filed 2005·Granted Mar 18, 2008·5 cites·6 claims
- 2378US8204400B2Charging device capable of efficiently charging image carrierKARASAWA SHINYA·Filed 2009·Granted Jun 19, 2012·5 cites·18 claims
- 2478US7885595B2Lubricant applicator, process cartridge including same, and image forming apparatus including sameRICOH CO LTD·Filed 2008·Granted Feb 8, 2011·5 cites·20 claims
- 2577US7010246B2Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drumRICOH KK·Filed 2003·Granted Mar 7, 2006·13 cites·14 claims
- 2675US8218997B2Cleaning member, charging device, process cartridge, and image forming apparatusFUJISHIRO TAKATSUGU·Filed 2009·Granted Jul 10, 2012·5 cites·11 claims
- 2775US5671465AImage forming apparatus having a revolver type developing deviceRICOH KK·Filed 1995·Granted Sep 23, 1997·26 cites·23 claims
- 2874US8103207B2Lubricant application apparatus, process cartridge, and image forming apparatus using sameKARASAWA SHINYA·Filed 2008·Granted Jan 24, 2012·4 cites·19 claims
- 2974US5953568ADeveloping unit for an image forming apparatus having a magnetic rotating blade agitatorRICOH KK·Filed 1998·Granted Sep 14, 1999·24 cites·5 claims
- 3073US7734219B2Unit, image forming apparatus, and method of manufacturing unit frameRICOH KK·Filed 2006·Granted Jun 8, 2010·4 cites·7 claims
- 3172US9170557B2Cleaning blade, image forming apparatus, and process cartridgeWATANABE KAZUHIKO·Filed 2014·Granted Oct 27, 2015·1 cites·12 claims
- 3271US6977022B2Method and apparatus for performing a charging process on an image carrying deviceRICOH KK·Filed 2002·Granted Dec 20, 2005·11 cites·1 claims
- 3371US6070030AImage forming cartridge for an image forming apparatusRICOH KK·Filed 1999·Granted May 30, 2000·20 cites·11 claims
- 3469US8235177B2Lubricant supply device, image forming apparatus, and pressing deviceKAWAHARA SHINICHI·Filed 2006·Granted Aug 7, 2012·3 cites·14 claims
- 3567US6788913B1Image forming apparatus method and developing device to obtain a stable image densityRICOH KK·Filed 2000·Granted Sep 7, 2004·10 cites·27 claims
- 3665US7548712B2Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drumRICOH KK·Filed 2007·Granted Jun 16, 2009·2 cites·39 claims
- 3757US6757508B2Image carrier and damping member thereforRICOH KK·Filed 2002·Granted Jun 29, 2004·6 cites·50 claims
- 3857US6754462B2Latent image carrier and image forming apparatus having a noise and deformation preventing memberRICOH KK·Filed 2002·Granted Jun 22, 2004·6 cites·7 claims
- 3955US9411299B2Lubricant supply device, image forming apparatus, and pressing deviceKAWAHARA SHINICHI·Filed 2012·Granted Aug 9, 2016·0 cites·20 claims
- 4052US9310750B2Image forming apparatus and process cartridge thereforKIKUCHI HISASHI·Filed 2013·Granted Apr 12, 2016·0 cites·13 claims
- 4152US9081353B2Cleaner, and process cartridge and image forming apparatus using the cleanerTAWADA TAKAAKI·Filed 2013·Granted Jul 14, 2015·0 cites·20 claims
- 4245US8494428B2Lubricant applicator, process unit including the lubricant applicator, transfer unit including the lubricant applicator, and image forming apparatus including the process unit or the transfer unitAZEYANAGI YUTA·Filed 2010·Granted Jul 23, 2013·0 cites·15 claims
- 4344US2014161501A1Image forming deviceWATANABE KAZUHIKO·Filed 2013·Application pending·0 cites
- 4444US2014233998A1Image forming apparatus and process cartridgeWATANABE KAZUHIKO·Filed 2014·Application pending·0 cites
- 4537US2008013998A1Powder transport unit having enhanced transportability and operability, process cartridge and image forming apparatus using the sameKUMAGAI NAOHIRO·Filed 2006·Application pending·0 cites
- 4636US2005271420A1Charging apparatus, and image forming apparatus equipped with sameARAI YUJI·Filed 2005·Application pending·0 cites
- 4735US2006115286A1Electrophotographic image forming apparatus, and toner, process cartridge and image forming method thereforUCHITANI TAKESHI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →