Inventor · disambiguated record
Ken Amemiya
Also filed as: AMEMIYA KEN
58 granted patents·8 pending applications·1,286 citations·filing 1997–2020
99Inventor score
Top patents by PatentIndex Score
66 records- 0197US6266501B1Image-forming apparatus having a seal for a developer and a method for detecting a removal of the sealRICOH KK·Filed 2000·Granted Jul 24, 2001·90 cites·44 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
- 0396US7313347B2Cleaning device, process cartridge, image forming apparatus and tonerRICOH KK·Filed 2005·Granted Dec 25, 2007·32 cites·31 claims
- 0496US6085062AElectrophotographic image forming apparatusRICOH KK·Filed 1999·Granted Jul 4, 2000·100 cites·6 claims
- 0596US5887224AImage forming device with improved mixing of circulated developer with replensihed tonerRICOH KK·Filed 1997·Granted Mar 23, 1999·97 cites·21 claims
- 0695US6628903B1Image forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paperRICOH KK·Filed 2000·Granted Sep 30, 2003·52 cites·3 claims
- 0795US6144811AImage forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paperRICOH KK·Filed 1999·Granted Nov 7, 2000·70 cites·17 claims
- 0895US6055388AImage forming apparatus and method for obtaining appropriate toner densityRICOH KK·Filed 1998·Granted Apr 25, 2000·83 cites·26 claims
- 0993US7826786B2Image forming apparatus, lubricant applying device, transfer device, process cartridge, and tonerRICOH KK·Filed 2005·Granted Nov 2, 2010·17 cites·13 claims
- 1093US7711308B2Cleaning device, process cartridge, and image forming apparatusRICOH KK·Filed 2007·Granted May 4, 2010·16 cites·15 claims
- 1193US7292816B2Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatusRICOH KK·Filed 2005·Granted Nov 6, 2007·16 cites·52 claims
- 1293US6148161AImage forming apparatus with improved toner density controlRICOH KK·Filed 1999·Granted Nov 14, 2000·64 cites·25 claims
- 1393US6144822AImage forming apparatus having detachable transfer roller and discharge deviceRICOH KK·Filed 1999·Granted Nov 7, 2000·63 cites·22 claims
- 1493US6128449AImage forming apparatus and method for controlling charging and developing bias voltageRICOH KK·Filed 1998·Granted Oct 3, 2000·72 cites·12 claims
- 1593US6006050AImage forming method and apparatus for controlling amount of supplied toner or agitating timeRICOH KK·Filed 1997·Granted Dec 21, 1999·75 cites·24 claims
- 1692US7477862B2Charged device, cleaning device, process cartridge, toner, and image-forming device that uses theseRICOH KK·Filed 2005·Granted Jan 13, 2009·13 cites·15 claims
- 1792US7376380B2Image forming apparatus, process cartridge, and tonerRICOH COMPANY LIMTED·Filed 2006·Granted May 20, 2008·15 cites·10 claims
- 1891US6807390B2Image forming apparatusRICOH KK·Filed 2003·Granted Oct 19, 2004·37 cites·10 claims
- 1991US6160969AImage forming apparatus with a voltage applying unit for image transferRICOH KK·Filed 1998·Granted Dec 12, 2000·57 cites·27 claims
- 2091US5915143AImage forming apparatus and method for automatically adjusting toner density in response to humidity variationsRICOH KK·Filed 1997·Granted Jun 22, 1999·55 cites·27 claims
- 2190US8000627B2Charging device, process cartridge, image forming apparatus, and tonerRICOH CO LTD·Filed 2005·Granted Aug 16, 2011·10 cites·41 claims
- 2289US7672635B2Method 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
- 2389US7333744B2Image 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
- 2489US7149465B2Cleaning unit, process cartridge, image forming apparatus, and tonerRICOH KK·Filed 2004·Granted Dec 12, 2006·26 cites·22 claims
- 2588US8428488B2Charging device, process cartridge, image forming apparatus, and tonerMIZUISHI HARUJI·Filed 2011·Granted Apr 23, 2013·7 cites·17 claims
- 2688US6628912B2Charge roller for an image forming apparatus and method of producing the sameRICOH KK·Filed 2001·Granted Sep 30, 2003·28 cites·20 claims
- 2786US7680429B2Charging device including charging roller and cleaning rollerRICOH KK·Filed 2008·Granted Mar 16, 2010·7 cites·19 claims
- 2885US6898383B2Image forming apparatusRICOH KK·Filed 2003·Granted May 24, 2005·19 cites·20 claims
- 2984US8254823B2Waste toner storage unit and image forming apparatus using sameNAGASHIMA HIROYUKI·Filed 2008·Granted Aug 28, 2012·7 cites·25 claims
- 3084US7894758B2Image forming apparatus, image forming device charging device and lubricant supplying device constitutionRICOH CO LTD·Filed 2007·Granted Feb 22, 2011·7 cites·12 claims
- 3182US7953363B2Lubricant applicator and image forming apparatus including sameRICOH CO LTD·Filed 2009·Granted May 31, 2011·11 cites·19 claims
- 3281US7477856B2Method and apparatus for image forming capable of effectively preventing resonance of frequenciesRICOH KK·Filed 2005·Granted Jan 13, 2009·6 cites·17 claims
- 3380US11772639B2Controlling apparatus and vehicleHONDA MOTOR CO LTD·Filed 2020·Granted Oct 3, 2023·1 cites·10 claims
- 3479US6873809B2Image forming apparatus and cleaning device thereforRICOH KK·Filed 2002·Granted Mar 29, 2005·16 cites·36 claims
- 3578US7844198B2Electrophotographic photoreceptor, photoreceptor supporting device, imaging device and process cartridgeRICOH CO LTD·Filed 2009·Granted Nov 30, 2010·5 cites·7 claims
- 3678US6757505B2Image forming apparatus and cleaning device thereforRICOH KK·Filed 2002·Granted Jun 29, 2004·16 cites·16 claims
- 3776US8676107B2Lubricant applying device, process cartridge, and image forming apparatusOKAMOTO MICHIYA·Filed 2011·Granted Mar 18, 2014·2 cites·12 claims
- 3876US8655205B2Waste toner container and image forming apparatus including sameKARASAWA SHINYA·Filed 2012·Granted Feb 18, 2014·2 cites·11 claims
- 3976US7539451B2Image forming apparatus and tonerRICOH KK·Filed 2005·Granted May 26, 2009·5 cites·10 claims
- 4074US8611805B2Waste-toner collecting device process cartridge and image forming apparatus having the sameKOIKE TOSHIO·Filed 2010·Granted Dec 17, 2013·2 cites·7 claims
- 4173US8934808B2Charging device, including a cleaning device to clean a charging rollerAMEMIYA KEN·Filed 2011·Granted Jan 13, 2015·2 cites·14 claims
- 4273US7027747B2Method of and apparatus for forming image using a Non-Contact ChargerRICOH KK·Filed 2003·Granted Apr 11, 2006·12 cites·26 claims
- 4372US7430377B2Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereonRICOH KK·Filed 2004·Granted Sep 30, 2008·12 cites·26 claims
- 4470US8369770B2Collection container, cleaning unit, and image forming apparatus capable of collecting waste toner efficientlyRICOH CO LTD·Filed 2009·Granted Feb 5, 2013·3 cites·15 claims
- 4570US8041280B2Lubricant applying device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Oct 18, 2011·3 cites·10 claims
- 4670US7949281B2Process 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
- 4768US8989619B2Image forming apparatus having transfer belt contact and separating mechanism interfering with removable unitKARASAWA SHINYA·Filed 2013·Granted Mar 24, 2015·1 cites·13 claims
- 4868US8655254B2Lubricant applicator, image forming apparatus, and method of mounting lubricant applicatorARAI YUJI·Filed 2010·Granted Feb 18, 2014·1 cites·18 claims
- 4966US8958737B2Lubricant Supplying Device, Process Cartridge, and Image Forming ApparatusKARASAWA SHINYA·Filed 2012·Granted Feb 17, 2015·1 cites·12 claims
- 5064US9031469B2Image forming apparatus and process cartridge incorporated thereinIWASAKI TAKUMA·Filed 2011·Granted May 12, 2015·1 cites·9 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →