Inventor · disambiguated record
Kenji Sengoku
Also filed as: SENGOKU KENJI
32 granted patents·83 citations·filing 2009–2016
95Inventor score
Top patents by PatentIndex Score
32 records- 0194US8934822B2Transfer device and image forming apparatusMIMBU RYUUICHI·Filed 2012·Granted Jan 13, 2015·10 cites·19 claims
- 0293US8891996B2Power supply module and image forming apparatus including sameFUJITA JUNPEI·Filed 2012·Granted Nov 18, 2014·9 cites·16 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
- 0591US8682231B2Image forming apparatusSENGOKU KENJI·Filed 2012·Granted Mar 25, 2014·6 cites·20 claims
- 0690US9864307B2Image forming apparatus with a controller to set transfer biasSENGOKU KENJI·Filed 2016·Granted Jan 9, 2018·4 cites·22 claims
- 0790US8811867B2Transfer device and image forming apparatus using sameICHIHASHI OSAMU·Filed 2013·Granted Aug 19, 2014·5 cites·20 claims
- 0886US8588641B2Image forming apparatusMIMBU RYUUICHI·Filed 2011·Granted Nov 19, 2013·7 cites·19 claims
- 0985US8483597B2Transfer assembly and image forming apparatus using sameMIMBU RYUUICHI·Filed 2010·Granted Jul 9, 2013·4 cites·9 claims
- 1082US8447198B2Detector and roller arrangement for an image forming apparatusFUJITA JUNPEI·Filed 2011·Granted May 21, 2013·3 cites·15 claims
- 1182US8433221B2Image forming apparatus with transfer nip adjustment functionMINBE RYUICHI·Filed 2009·Granted Apr 30, 2013·7 cites·9 claims
- 1279US8805223B2Image forming apparatus, image forming system, and transfer methodTAKEUCHI TOMOKAZU·Filed 2012·Granted Aug 12, 2014·2 cites·8 claims
- 1377US9063472B2Image forming apparatus and belt tensioning unitSENGOKU KENJI·Filed 2012·Granted Jun 23, 2015·2 cites·25 claims
- 1476US8548345B2Image forming apparatus with transfer nip adjustment functionMINBE RYUICHI·Filed 2013·Granted Oct 1, 2013·2 cites·11 claims
- 1573US9519257B2Cleaning device and image forming apparatus incorporating sameSENGOKU KENJI·Filed 2016·Granted Dec 13, 2016·1 cites·11 claims
- 1672US8718500B2Image forming apparatusMINBU RYUICHI·Filed 2010·Granted May 6, 2014·3 cites·14 claims
- 1771US8526842B2Image forming apparatusICHIHASHI OSAMU·Filed 2011·Granted Sep 3, 2013·1 cites·10 claims
- 1869US8929786B2Image 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
- 1969US8824941B2Image transfer device and image forming apparatus incorporating sameSHIMIZU YASUNOBU·Filed 2012·Granted Sep 2, 2014·1 cites·21 claims
- 2068US8977153B2Image forming apparatus which uses an AC voltage and/or a DC voltage at a transfer nip depending on a surface roughness of a recording sheetOGIYAMA HIROMI·Filed 2012·Granted Mar 10, 2015·1 cites·8 claims
- 2162US9075383B2Image forming apparatusRICOH CO LTD·Filed 2014·Granted Jul 7, 2015·0 cites·27 claims
- 2262US9037022B2Image forming apparatus, image forming system, and transfer methodRICOH CO LTD·Filed 2014·Granted May 19, 2015·0 cites·18 claims
- 2360US8737865B2Image forming apparatusICHIHASHI OSAMU·Filed 2013·Granted May 27, 2014·0 cites·23 claims
- 2457US9182698B2Method of transferring image and image transferring system and image forming apparatus with sameICHIKAWA JUNICHI·Filed 2014·Granted Nov 10, 2015·0 cites·12 claims
- 2556US9323170B2Image forming apparatus with a controller to set transfer biasSENGOKU KENJI·Filed 2012·Granted Apr 26, 2016·0 cites·28 claims
- 2651US9031436B2Image forming apparatusSHIMIZU YASUNOBU·Filed 2012·Granted May 12, 2015·0 cites·25 claims
- 2751US8948644B2Power supply module and image forming apparatus including sameFUJITA JUNPEI·Filed 2012·Granted Feb 3, 2015·0 cites·18 claims
- 2849US9696662B2Cleaning device and image forming apparatus incorporating sameYOGOSAWA KAZUKI·Filed 2016·Granted Jul 4, 2017·0 cites·21 claims
- 2949US9393813B2Image forming apparatusSENGOKU KENJI·Filed 2014·Granted Jul 19, 2016·0 cites·23 claims
- 3049US8831466B2Image forming apparatusFUJITA JUNPEI·Filed 2012·Granted Sep 9, 2014·0 cites·22 claims
- 3146US9057991B2Image forming apparatusSHIMIZU YASUNOBU·Filed 2012·Granted Jun 16, 2015·0 cites·30 claims
- 3240US9152070B2Transfer device and image forming apparatusOGIYAMA HIROMI·Filed 2012·Granted Oct 6, 2015·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →