Inventor · disambiguated record
Akihiro Sugino
Also filed as: SUGINO AKIHIRO
40 granted patents·8 pending applications·682 citations·filing 1997–2019
98Inventor score
Top patents by PatentIndex Score
48 records- 0197US6618565B2Transfer bias applying method for an image forming apparatus and device for the sameRICOH KK·Filed 2002·Granted Sep 9, 2003·80 cites·7 claims
- 0296US7346287B2Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer deviceRICOH KK·Filed 2006·Granted Mar 18, 2008·25 cites·12 claims
- 0396US6829450B2Transfer bias applying method for an image forming apparatus and device for the sameRICOH KK·Filed 2003·Granted Dec 7, 2004·59 cites·8 claims
- 0496US6785500B2Image forming apparatus including image transfer body with elastic layer and coating layerRICOH KK·Filed 2002·Granted Aug 31, 2004·65 cites·12 claims
- 0596US6741821B2Image forming apparatus, and process cartridge for use in image forming apparatusRICOH KK·Filed 2002·Granted May 25, 2004·71 cites·6 claims
- 0695US7212777B2Image forming apparatus used in electrostatic processRICOH KK·Filed 2005·Granted May 1, 2007·20 cites·22 claims
- 0794US7314693B2Electrophotographic photoconductor, electrophotographic process, electrophotographic apparatus, and process cartridgeRICOH KK·Filed 2004·Granted Jan 1, 2008·52 cites·22 claims
- 0893US7267916B2Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptorRICOH KK·Filed 2004·Granted Sep 11, 2007·48 cites·13 claims
- 0991US7177583B2Image forming apparatus and copierRICOH KK·Filed 2005·Granted Feb 13, 2007·10 cites·9 claims
- 1091US6816691B2Apparatus having endless belt with roughened guideRICOH KK·Filed 2002·Granted Nov 9, 2004·37 cites·47 claims
- 1189US7010247B2Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using sameRICOH KK·Filed 2005·Granted Mar 7, 2006·8 cites·3 claims
- 1287US6853834B2Image forming apparatus and copierRICOH KK·Filed 2003·Granted Feb 8, 2005·22 cites·9 claims
- 1384US6777150B2Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using sameRICOH KK·Filed 2002·Granted Aug 17, 2004·17 cites·15 claims
- 1482US9031491B2Image forming apparatus and process cartridgeRICOH CO LTD·Filed 2013·Granted May 12, 2015·3 cites·7 claims
- 1582US8472818B2Image carrier deterioration degree evaluating device, image carrier failure predicting device, and image forming apparatusYAMANE JUN·Filed 2011·Granted Jun 25, 2013·3 cites·7 claims
- 1682US6853823B2Electrophotographic photoreceptor and image forming apparatus using the photoreceptorRICOH KK·Filed 2003·Granted Feb 8, 2005·21 cites·10 claims
- 1781US7031650B2Image forming apparatus and copierRICOH KK·Filed 2004·Granted Apr 18, 2006·14 cites·8 claims
- 1881US6830858B2Electrophotographic photosensitive member, preparation method thereof, image forming process, apparatus and process cartridge using the sameRICOH KK·Filed 2002·Granted Dec 14, 2004·19 cites·25 claims
- 1981US6777149B2Electrophotographic image forming apparatus and process cartridge, and electrophotographic photoreceptor thereforRICOH KK·Filed 2002·Granted Aug 17, 2004·19 cites·21 claims
- 2080US7027759B2Apparatus having endless belt with roughened guideRICOH KK·Filed 2004·Granted Apr 11, 2006·16 cites·16 claims
- 2179US7531278B2Electrostatic latent image bearer, and image forming method, image forming apparatus and process cartridge using the electrostatic latent image bearerRICOH KK·Filed 2006·Granted May 12, 2009·7 cites·32 claims
- 2276US5962813AConnection structure of flat cable to terminalsALPS ELECTRIC CO LTD·Filed 1997·Granted Oct 5, 1999·39 cites·4 claims
- 2371US7005006B2Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using sameRICOH KK·Filed 2004·Granted Feb 28, 2006·8 cites·7 claims
- 2466US8126360B2Temperature control unit for electrophotographic photoconductor substrateKAWASAKI YOSHIAKI·Filed 2008·Granted Feb 28, 2012·4 cites·15 claims
- 2565US10845738B2Image forming method, image forming apparatus, and process cartridgeKAMI HIDETOSHI·Filed 2019·Granted Nov 24, 2020·0 cites·8 claims
- 2665US8647798B2Photoreceptor, process cartridge and image forming apparatusASANO TOMOHARU·Filed 2012·Granted Feb 11, 2014·1 cites·10 claims
- 2764US7851114B2Electrostatic latent image bearing member, and image forming apparatus, process cartridge, and image forming method using the sameRICOH CO LTD·Filed 2006·Granted Dec 14, 2010·2 cites·20 claims
- 2862US7964327B2Electrophotographic photoreceptor and method of preparing the photoreceptor, and image forming apparatus, image forming method and process cartridge using the photoreceptorRICOH CO LTD·Filed 2007·Granted Jun 21, 2011·2 cites·19 claims
- 2961US10416594B2Image forming method, image forming apparatus, and process cartridgeKAMI HIDETOSHI·Filed 2017·Granted Sep 17, 2019·0 cites·14 claims
- 3057US7391994B2Image forming apparatus, image forming process, and process cartridge for image forming apparatusRICOH KK·Filed 2004·Granted Jun 24, 2008·6 cites·17 claims
- 3156US7897313B2Electrostatic latent image bearing member, and image forming apparatus and process cartridge using the electrostatic latent image bearing memberRICOH CO LTD·Filed 2007·Granted Mar 1, 2011·1 cites·15 claims
- 3255US8927183B2Electrophotographic photoreceptor, method for preparing the electrophotographic photoreceptor, and image forming method and apparatus and process cartridge using the electrophotographic photoreceptorKAWASAKI YOSHIAKI·Filed 2008·Granted Jan 6, 2015·1 cites·16 claims
- 3351US10114302B2Photoconductor, image forming apparatus, and process cartridgeTAKAHASHI Ryohta·Filed 2017·Granted Oct 30, 2018·0 cites·8 claims
- 3450US8450033B2Latent electrostatic image bearing member, and image forming apparatus, image forming method and process cartridge using the sameSUGINO AKIHIRO·Filed 2007·Granted May 28, 2013·2 cites·20 claims
- 3543US9740116B2Photoconductor, and image forming method and image forming apparatus using the photoconductorEGUCHI NOBUTAKA·Filed 2016·Granted Aug 22, 2017·0 cites·9 claims
- 3640US7781134B2Electrophotographic photoreceptor, image forming method, image forming apparatus and process cartridge for the image forming apparatusRICOH KK·Filed 2005·Granted Aug 24, 2010·0 cites·19 claims
- 3740US2011286777A1Lubricant and image forming apparatus and process cartridge using sameSUGINO AKIHIRO·Filed 2011·Application pending·0 cites
- 3839US9146483B2Photoreceptor, method for preparing photoreceptor, and image forming apparatus and process cartridge using the photoreceptorHIROSE MITSUAKI·Filed 2013·Granted Sep 29, 2015·0 cites·16 claims
- 3939US2013330104A1Photoreceptor, image forming apparatus, process cartridge, and image forming methodSHIMOYAMA KEISUKE·Filed 2013·Application pending·0 cites
- 4037US8383305B2Image forming apparatusRICOH CO LTD·Filed 2010·Granted Feb 26, 2013·0 cites·15 claims
- 4137US2003118359A1Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer deviceFiled 2002·Application pending·0 cites
- 4235US2005026058A1Electrophotographic photoreceptor, and electrophotographic image forming apparatus and process cartridge using the electrophotographic photoreceptorFiled 2004·Application pending·0 cites
- 4335US2014234763A1Image forming apparatus and process cartridgeSUGINO AKIHIRO·Filed 2014·Application pending·0 cites
- 4434US2008113285A1Image forming apparatus, image forming method, and process cartridgeNAKAMORI HIDEO·Filed 2007·Application pending·0 cites
- 4534US2008112742A1Image forming apparatus, image forming method, and process cartridgeNAKAMORI HIDEO·Filed 2007·Application pending·0 cites
- 4632US2006199092A1Electrostatic latent image bearer, and image forming method, image forming apparatus and process cartridge using the electrostatic latent image bearerSUGINO AKIHIRO·Filed 2006·Application pending·0 cites
- 4731US9523930B2Photoconductor, and image forming method and image forming apparatus using the sameKAMI HIDETOSHI·Filed 2015·Granted Dec 20, 2016·0 cites·9 claims
- 4830US9989868B2Photoconductor, image forming method using the same, method of manufacturing the photoconductor, and image forming apparatusKAMI HIDETOSHI·Filed 2015·Granted Jun 5, 2018·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →