Inventor · disambiguated record
Junpei Fujita
Also filed as: FUJITA JUNPEI
64 granted patents·104 citations·filing 2009–2018
98Inventor score
Top patents by PatentIndex Score
64 records- 0193US8891996B2Power supply module and image forming apparatus including sameFUJITA JUNPEI·Filed 2012·Granted Nov 18, 2014·9 cites·16 claims
- 0293US8135319B2Transferer and image forming apparatus having a guide member including a comb-like structureFUJITA JUNPEI·Filed 2009·Granted Mar 13, 2012·15 cites·14 claims
- 0392US9141039B2Image forming apparatus including a cam member to separate a transfer memberKATO YUJI·Filed 2013·Granted Sep 22, 2015·7 cites·9 claims
- 0492US8417164B2Transfer device and image forming apparatus using sameICHIHASHI OSAMU·Filed 2010·Granted Apr 9, 2013·7 cites·16 claims
- 0590US9864307B2Image forming apparatus with a controller to set transfer biasSENGOKU KENJI·Filed 2016·Granted Jan 9, 2018·4 cites·22 claims
- 0690US8811867B2Transfer device and image forming apparatus using sameICHIHASHI OSAMU·Filed 2013·Granted Aug 19, 2014·5 cites·20 claims
- 0786US9360807B2Image forming apparatusKOGURE SEIICHI·Filed 2015·Granted Jun 7, 2016·3 cites·15 claims
- 0885US8483597B2Transfer assembly and image forming apparatus using sameMIMBU RYUUICHI·Filed 2010·Granted Jul 9, 2013·4 cites·9 claims
- 0984US9395658B2Image forming apparatusWADA YUUJI·Filed 2015·Granted Jul 19, 2016·2 cites·19 claims
- 1083US10185255B2Image forming apparatus and image forming method for controlling a secondary transfer bias according to recording sheet typeRICOH CO LTD·Filed 2017·Granted Jan 22, 2019·2 cites·19 claims
- 1183US9632461B2Image forming apparatus controlling transfer bias based on temperature and humiditySUGIURA KENJI·Filed 2015·Granted Apr 25, 2017·2 cites·31 claims
- 1283US9459564B2Image forming apparatusOHSUGI TATSUYA·Filed 2015·Granted Oct 4, 2016·2 cites·12 claims
- 1382US9835987B2Image forming apparatus and transfer bias controlSUGIURA KENJI·Filed 2016·Granted Dec 5, 2017·2 cites·13 claims
- 1482US9740156B2Image forming apparatus that adjusts a transfer bias according to surface properties of a transfer targetWADA YUUJI·Filed 2016·Granted Aug 22, 2017·2 cites·18 claims
- 1582US8447198B2Detector and roller arrangement for an image forming apparatusFUJITA JUNPEI·Filed 2011·Granted May 21, 2013·3 cites·15 claims
- 1682US8433221B2Image forming apparatus with transfer nip adjustment functionMINBE RYUICHI·Filed 2009·Granted Apr 30, 2013·7 cites·9 claims
- 1781US9817341B2Image forming apparatusOHSUGI TATSUYA·Filed 2016·Granted Nov 14, 2017·2 cites·20 claims
- 1881US9645530B2Image forming apparatusKOCHI NAOTO·Filed 2016·Granted May 9, 2017·2 cites·10 claims
- 1981US9248638B2Cleaning device and image forming apparatus incorporating sameYOGOSAWA KAZUKI·Filed 2015·Granted Feb 2, 2016·2 cites·8 claims
- 2080US10078295B2Belt device and image forming apparatus incorporating sameKOGURE SEIICHI·Filed 2017·Granted Sep 18, 2018·1 cites·14 claims
- 2179US9256165B2Transfer device and image forming apparatus incorporating sameTAKAHASHI YASUFUMI·Filed 2014·Granted Feb 9, 2016·2 cites·17 claims
- 2279US8805223B2Image forming apparatus, image forming system, and transfer methodTAKEUCHI TOMOKAZU·Filed 2012·Granted Aug 12, 2014·2 cites·8 claims
- 2377US10152001B2Image forming apparatusKUMAGAI NAOHIRO·Filed 2017·Granted Dec 11, 2018·1 cites·18 claims
- 2477US9063472B2Image forming apparatus and belt tensioning unitSENGOKU KENJI·Filed 2012·Granted Jun 23, 2015·2 cites·25 claims
- 2576US8548345B2Image forming apparatus with transfer nip adjustment functionMINBE RYUICHI·Filed 2013·Granted Oct 1, 2013·2 cites·11 claims
- 2673US9519257B2Cleaning device and image forming apparatus incorporating sameSENGOKU KENJI·Filed 2016·Granted Dec 13, 2016·1 cites·11 claims
- 2772US8718500B2Image forming apparatusMINBU RYUICHI·Filed 2010·Granted May 6, 2014·3 cites·14 claims
- 2871US8526842B2Image forming apparatusICHIHASHI OSAMU·Filed 2011·Granted Sep 3, 2013·1 cites·10 claims
- 2969US9423724B2Pressing device, in an image forming apparatus that includes an adjuster connected to two lateral platesICHIKAWA JUNICHI·Filed 2015·Granted Aug 23, 2016·1 cites·16 claims
- 3069US9256167B2Image forming apparatusNAGATA ATSUSHI·Filed 2014·Granted Feb 9, 2016·1 cites·18 claims
- 3169US8929786B2Image forming apparatus, system, and method using a superimposed voltage signal and a direct voltage signalTAKEUCHI TOMOKAZU·Filed 2012·Granted Jan 6, 2015·1 cites·15 claims
- 3268US9383691B2Image forming apparatus including a transfer bias controllerWADA YUUJI·Filed 2015·Granted Jul 5, 2016·1 cites·8 claims
- 3367US9213271B2Cleaner, and image forming apparatus using the cleanerWADA YUUJI·Filed 2014·Granted Dec 15, 2015·1 cites·12 claims
- 3466US10527974B2Belt device and image forming apparatus incorporating sameKOGURE SEIICHI·Filed 2018·Granted Jan 7, 2020·0 cites·15 claims
- 3562US9037022B2Image forming apparatus, image forming system, and transfer methodRICOH CO LTD·Filed 2014·Granted May 19, 2015·0 cites·18 claims
- 3660US10228639B2Image forming apparatus with a support to adjust a rotator and a guideKOGURE SEIICHI·Filed 2017·Granted Mar 12, 2019·0 cites·15 claims
- 3760US10120304B2Belt device including support portions and an adjuster to adjust positions of the support portionsFUJITA JUNPEI·Filed 2017·Granted Nov 6, 2018·0 cites·20 claims
- 3860US8737865B2Image forming apparatusICHIHASHI OSAMU·Filed 2013·Granted May 27, 2014·0 cites·23 claims
- 3960US8270875B2Image forming apparatusFUJITA JUNPEI·Filed 2009·Granted Sep 18, 2012·2 cites·24 claims
- 4059US9720355B2Image forming apparatusOHSUGI TATSUYA·Filed 2016·Granted Aug 1, 2017·0 cites·20 claims
- 4159US9454126B2Cleaning device and image forming apparatus including sameRICOH CO LTD·Filed 2016·Granted Sep 27, 2016·0 cites·10 claims
- 4258US10114331B2Transfer device and image forming apparatus incorporating sameFUJITA JUNPEI·Filed 2017·Granted Oct 30, 2018·0 cites·14 claims
- 4358US9811036B2Belt device and image forming apparatus including sameFUJITA JUNPEI·Filed 2016·Granted Nov 7, 2017·0 cites·11 claims
- 4458US9690246B2Image forming apparatus including contact members disposed side by side at positions opposing a guide unitKOGURE SEIICHI·Filed 2015·Granted Jun 27, 2017·0 cites·12 claims
- 4558US9405269B2Image forming apparatus with a guide member for a transfer beltFUJITA JUNPEI·Filed 2014·Granted Aug 2, 2016·0 cites·28 claims
- 4657US9811046B2Image forming apparatusWADA YUUJI·Filed 2016·Granted Nov 7, 2017·0 cites·20 claims
- 4757US9405271B2Cleaning device and image forming apparatus incorporating sameYOGOSAWA KAZUKI·Filed 2016·Granted Aug 2, 2016·0 cites·11 claims
- 4857US9182698B2Method of transferring image and image transferring system and image forming apparatus with sameICHIKAWA JUNICHI·Filed 2014·Granted Nov 10, 2015·0 cites·12 claims
- 4956US9323170B2Image forming apparatus with a controller to set transfer biasSENGOKU KENJI·Filed 2012·Granted Apr 26, 2016·0 cites·28 claims
- 5051US9423749B2Image forming apparatus with a fulcrum that pivotally supports an image bearer and detectorKUMAGAI NAOHIRO·Filed 2015·Granted Aug 23, 2016·0 cites·17 claims
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