Inventor · disambiguated record
Hiromi Ogiyama
Also filed as: OGIYAMA HIROMI
44 granted patents·1 pending application·853 citations·filing 1984–2016
98Inventor score
Technology areasG03G
Top patents by PatentIndex Score
45 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
- 0796US6405002B2Image formation apparatusRICOH KK·Filed 2001·Granted Jun 11, 2002·75 cites·12 claims
- 0895US7610004B2Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of imageRICOH KK·Filed 2007·Granted Oct 27, 2009·21 cites·19 claims
- 0995US7003238B2Intermediate image transfer device for a color image forming apparatusRICOH KK·Filed 2003·Granted Feb 21, 2006·62 cites·69 claims
- 1095US6901234B2Image forming apparatus including an intermediate image transfer belt and high resistance contact memberRICOH KK·Filed 2003·Granted May 31, 2005·70 cites·19 claims
- 1194US8934822B2Transfer device and image forming apparatusMIMBU RYUUICHI·Filed 2012·Granted Jan 13, 2015·10 cites·19 claims
- 1294US7773928B2Transfer-separation device and image forming apparatusRICOH KK·Filed 2007·Granted Aug 10, 2010·24 cites·8 claims
- 1393US8891996B2Power supply module and image forming apparatus including sameFUJITA JUNPEI·Filed 2012·Granted Nov 18, 2014·9 cites·16 claims
- 1493US7203433B2Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of imageRICOH KK·Filed 2004·Granted Apr 10, 2007·43 cites·7 claims
- 1592US8787806B2Image forming apparatusNAKAMURA KEIGO·Filed 2012·Granted Jul 22, 2014·6 cites·13 claims
- 1691US8682231B2Image forming apparatusSENGOKU KENJI·Filed 2012·Granted Mar 25, 2014·6 cites·20 claims
- 1791US5483330AImage transfer unit of image formation apparatusRICOH KK·Filed 1992·Granted Jan 9, 1996·44 cites·5 claims
- 1890US9864307B2Image forming apparatus with a controller to set transfer biasSENGOKU KENJI·Filed 2016·Granted Jan 9, 2018·4 cites·22 claims
- 1990US7280792B2Method for evaluating changes in resistance of electric resistance member and image forming apparatus using sameRICOH KK·Filed 2004·Granted Oct 9, 2007·34 cites·11 claims
- 2088US9195179B2Transfer device and image forming apparatus including sameSHIMIZU YASUNOBU·Filed 2013·Granted Nov 24, 2015·5 cites·11 claims
- 2185US4528937ADevice for forming a developer filmRICOH KK·Filed 1984·Granted Jul 16, 1985·26 cites·7 claims
- 2283US9488937B2Image forming apparatusTANAKA SHINYA·Filed 2013·Granted Nov 8, 2016·3 cites·32 claims
- 2382US4851874ADeveloping apparatus for image recorderRICOH KK·Filed 1988·Granted Jul 25, 1989·24 cites·11 claims
- 2479US8805223B2Image forming apparatus, image forming system, and transfer methodTAKEUCHI TOMOKAZU·Filed 2012·Granted Aug 12, 2014·2 cites·8 claims
- 2575US8942604B2Image forming apparatusOGIYAMA HIROMI·Filed 2012·Granted Jan 27, 2015·2 cites·15 claims
- 2672US9122207B2Image forming apparatus and transfer bias application device thereinNAKAMURA KEIGO·Filed 2012·Granted Sep 1, 2015·1 cites·31 claims
- 2769US8929786B2Image 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
- 2869US8824941B2Image transfer device and image forming apparatus incorporating sameSHIMIZU YASUNOBU·Filed 2012·Granted Sep 2, 2014·1 cites·21 claims
- 2968US9291934B2Image forming apparatusSHIMIZU YASUNOBU·Filed 2012·Granted Mar 22, 2016·1 cites·29 claims
- 3068US8977153B2Image 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
- 3162US9164462B2Image forming apparatusNAKAMURA KEIGO·Filed 2014·Granted Oct 20, 2015·0 cites·16 claims
- 3262US9075383B2Image forming apparatusRICOH CO LTD·Filed 2014·Granted Jul 7, 2015·0 cites·27 claims
- 3362US9037022B2Image forming apparatus, image forming system, and transfer methodRICOH CO LTD·Filed 2014·Granted May 19, 2015·0 cites·18 claims
- 3457US9291955B2Image forming apparatus and transfer bias application device thereinNAKAMURA KEIGO·Filed 2015·Granted Mar 22, 2016·0 cites·26 claims
- 3556US9323170B2Image forming apparatus with a controller to set transfer biasSENGOKU KENJI·Filed 2012·Granted Apr 26, 2016·0 cites·28 claims
- 3656US8824940B2Image forming apparatus including heat transmission memberOGIYAMA HIROMI·Filed 2012·Granted Sep 2, 2014·0 cites·25 claims
- 3753US8270886B2Transfer nip roller, transfer device, and image forming apparatusMINBU RYUUICHI·Filed 2008·Granted Sep 18, 2012·1 cites·20 claims
- 3852US8280283B2Heat transmission member included image forming apparatusOGIYAMA HIROMI·Filed 2009·Granted Oct 2, 2012·0 cites·27 claims
- 3951US9031436B2Image forming apparatusSHIMIZU YASUNOBU·Filed 2012·Granted May 12, 2015·0 cites·25 claims
- 4051US8948644B2Power supply module and image forming apparatus including sameFUJITA JUNPEI·Filed 2012·Granted Feb 3, 2015·0 cites·18 claims
- 4148US8755723B2Image forming apparatus and method of eliminating a charge on a recording medium by applying an AC voltageOGIYAMA HIROMI·Filed 2012·Granted Jun 17, 2014·0 cites·11 claims
- 4246US9057991B2Image forming apparatusSHIMIZU YASUNOBU·Filed 2012·Granted Jun 16, 2015·0 cites·30 claims
- 4342US8275275B2Image forming apparatusISHIKAWA EMIKO·Filed 2009·Granted Sep 25, 2012·0 cites·8 claims
- 4440US9152070B2Transfer device and image forming apparatusOGIYAMA HIROMI·Filed 2012·Granted Oct 6, 2015·0 cites·17 claims
- 4537US2003118359A1Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer deviceFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →