Inventor · disambiguated record
Katsuya Kawagoe
Also filed as: KAWAGOE KATSUYA
23 granted patents·1 pending application·807 citations·filing 1994–2020
97Inventor score
Top patents by PatentIndex Score
24 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
- 0696US6697595B2Method and apparatus for forming an image with no degradationRICOH KK·Filed 2001·Granted Feb 24, 2004·77 cites·24 claims
- 0795US6901234B2Image forming apparatus including an intermediate image transfer belt and high resistance contact memberRICOH KK·Filed 2003·Granted May 31, 2005·70 cites·19 claims
- 0893US5983060AImage forming apparatus which removes a surface potential of an intermediate transfer memberRICOH KK·Filed 1998·Granted Nov 9, 1999·91 cites·50 claims
- 0992US6947693B2Image forming apparatus including rotary member speed detection mechanismRICOH KK·Filed 2003·Granted Sep 20, 2005·40 cites·27 claims
- 1092US6212351B1Image transferring method and image forming apparatus for transferring toner image from image carrier to recording medium either via or carried on intermediate image transfer beltRICOH KK·Filed 1999·Granted Apr 3, 2001·58 cites·53 claims
- 1191US5442428AImage recording apparatusRICOH KK·Filed 1994·Granted Aug 15, 1995·43 cites·10 claims
- 1290US7379683B2Mark detector, drive controller, belt drive unit, and image forming apparatusRICOH KK·Filed 2005·Granted May 27, 2008·14 cites·10 claims
- 1389US5890030AElectrostatic image forming apparatusRICOH KK·Filed 1996·Granted Mar 30, 1999·42 cites·25 claims
- 1485US7532370B2Optical encoder, motor driver and image forming apparatusRICOH KK·Filed 2003·Granted May 12, 2009·27 cites·35 claims
- 1582US8433221B2Image forming apparatus with transfer nip adjustment functionMINBE RYUICHI·Filed 2009·Granted Apr 30, 2013·7 cites·9 claims
- 1681US7233761B2Method and apparatus for transferring multiple toner images and image forming apparatusRICOH KK·Filed 2005·Granted Jun 19, 2007·6 cites·16 claims
- 1779US10955771B2Belt control device and image forming apparatus incorporating sameKUMAGAI NAOHIRO·Filed 2020·Granted Mar 23, 2021·1 cites·7 claims
- 1877US6163661AElectrostatic image forming apparatus capable of reducing defective image transfer caused by free toner particles deposited on a corona dischargerRICOH KK·Filed 1998·Granted Dec 19, 2000·23 cites·6 claims
- 1976US8548345B2Image forming apparatus with transfer nip adjustment functionMINBE RYUICHI·Filed 2013·Granted Oct 1, 2013·2 cites·11 claims
- 2074US7764918B2Cleaning device and image forming apparatusRICOH KK·Filed 2007·Granted Jul 27, 2010·4 cites·11 claims
- 2156US11112734B2Belt device, belt regulator, roller unit, and image forming apparatusKUMAGAI NAOHIRO·Filed 2020·Granted Sep 7, 2021·0 cites·10 claims
- 2245US7286779B2Apparatus for suppressing deformations in a belt of an image forming deviceRICOH KK·Filed 2003·Granted Oct 23, 2007·2 cites·6 claims
- 2337US2003118359A1Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer deviceFiled 2002·Application pending·0 cites
- 2436US8639174B2To-be-transferred object length measurement device and image forming apparatus and computer-readable storage mediumASHIKAWA MASAHIRO·Filed 2010·Granted Jan 28, 2014·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →