Inventor · disambiguated record
Naomi Sugimoto
Also filed as: SUGIMOTO NAOMI
55 granted patents·5 pending applications·659 citations·filing 1994–2020
98Inventor score
Top patents by PatentIndex Score
60 records- 0196US6799012B2Cleaning device and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Sep 28, 2004·72 cites·25 claims
- 0294US9238552B2Belt tracking system, roller assembly, and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2013·Granted Jan 19, 2016·11 cites·12 claims
- 0394US8929760B2Transfer device with bias output device and image forming apparatus including sameTANAKA SHINYA·Filed 2012·Granted Jan 6, 2015·10 cites·18 claims
- 0493US8041281B2Cleaning device, image forming apparatus, and process cartridgeRICOH CO LTD·Filed 2008·Granted Oct 18, 2011·15 cites·19 claims
- 0593US5615378ADictionary retrieval deviceFUJITSU LTD·Filed 1994·Granted Mar 25, 1997·210 cites·15 claims
- 0692US8712267B2Image forming apparatus and image forming methodSUGIMOTO NAOMI·Filed 2012·Granted Apr 29, 2014·7 cites·14 claims
- 0792US6987944B2Cleaning device and image forming apparatus using the cleaning deviceRICOH KK·Filed 2002·Granted Jan 17, 2006·40 cites·55 claims
- 0892US6757511B2Image forming apparatus and method using a magnetic toner brushRICOH KK·Filed 2002·Granted Jun 29, 2004·40 cites·38 claims
- 0991US7929897B2Cleaning unit, process cartridge, and image forming apparatus using the sameRICOH CO LTD·Filed 2008·Granted Apr 19, 2011·12 cites·20 claims
- 1090US8019268B2Polarity controlling device, and cleaner and image forming apparatus using the polarity controlling deviceRICOH CO LTD·Filed 2009·Granted Sep 13, 2011·11 cites·14 claims
- 1190US7817954B2Cleaning unit, image carrier unit including same, and image forming apparatus including sameRICOH KK·Filed 2008·Granted Oct 19, 2010·11 cites·13 claims
- 1289US7903995B2Cleaning device, image forming apparatus, and process cartridgeRICOH CO LTD·Filed 2009·Granted Mar 8, 2011·10 cites·17 claims
- 1388US8437657B2Cleaning apparatus and image forming apparatusKIKUCHI HISASHI·Filed 2010·Granted May 7, 2013·5 cites·15 claims
- 1487US9310722B2Image forming apparatus and image forming methodTANAKA SHINYA·Filed 2012·Granted Apr 12, 2016·3 cites·29 claims
- 1586US7873298B2Cleaning device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jan 18, 2011·10 cites·13 claims
- 1685US9020382B2Image forming apparatusAOKI SHINJI·Filed 2012·Granted Apr 28, 2015·3 cites·23 claims
- 1782US9561912B2Belt tracking system, multi-roller assembly and image forming apparatus employing sameHOZUMI YOSHIKI·Filed 2016·Granted Feb 7, 2017·5 cites·15 claims
- 1882US6823163B2Image forming apparatus including an electric field having an oscillation component between an image carrier and a developer carrierRICOH KK·Filed 2001·Granted Nov 23, 2004·20 cites·8 claims
- 1981US9599934B2Image forming apparatus having an angle adjuster for a tiltable support rollerHOZUMI YOSHIKI·Filed 2015·Granted Mar 21, 2017·2 cites·6 claims
- 2081US7715760B2Charging device, and process cartridge and image forming apparatus using the sameRICOH KK·Filed 2006·Granted May 11, 2010·6 cites·13 claims
- 2180US8433213B2Cleaning device and image forming apparatusHOZUMI YOSHIKI·Filed 2011·Granted Apr 30, 2013·3 cites·12 claims
- 2280US5749022ACharging apparatus and method for use in image forming deviceRICOH KK·Filed 1996·Granted May 5, 1998·36 cites·28 claims
- 2379US9081335B2Transfer device with transfer voltage unit and image forming apparatus using the sameSUGIMOTO NAOMI·Filed 2012·Granted Jul 14, 2015·2 cites·19 claims
- 2479US7809321B2Cleaning device, process cartridge and image forming apparatusRICOH KK·Filed 2007·Granted Oct 5, 2010·5 cites·19 claims
- 2575US7728503B2Electron emission element, charging device, process cartridge, and image forming apparatusRICOH KK·Filed 2007·Granted Jun 1, 2010·4 cites·23 claims
- 2673US9104162B2Conveyor system and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2014·Granted Aug 11, 2015·1 cites·5 claims
- 2773US8548350B2Cleaning device and image forming apparatusHOZUMI YOSHIKI·Filed 2011·Granted Oct 1, 2013·2 cites·10 claims
- 2873US8190077B2Cleaning device and image forming apparatusNARUSE OSAMU·Filed 2009·Granted May 29, 2012·4 cites·9 claims
- 2972US8280295B2Cleaning device, image forming apparatus including the device, and process cartridge including the deviceNARUSE OSAMU·Filed 2008·Granted Oct 2, 2012·4 cites·19 claims
- 3071US10031463B2Belt device, belt control device, and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2017·Granted Jul 24, 2018·1 cites·9 claims
- 3171US9708143B2Belt device and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2015·Granted Jul 18, 2017·1 cites·8 claims
- 3271US5828990AElectronic news translating and delivery apparatusFUJITSU LTD·Filed 1996·Granted Oct 27, 1998·63 cites·13 claims
- 3370US9033134B2Belt tracking system, roller assembly, and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2013·Granted May 19, 2015·2 cites·8 claims
- 3470US8731431B2Belt device and image forming apparatus incorporating same having a cleaning device which cleans utilizing different polaritiesSUGIURA KENJI·Filed 2010·Granted May 20, 2014·1 cites·10 claims
- 3570US7831177B2Discharge device, image forming unit and apparatusRICOH KK·Filed 2006·Granted Nov 9, 2010·3 cites·11 claims
- 3668US8086141B2Electric charging apparatus and image forming apparatus using the sameSOMEYA YUKIMICHI·Filed 2008·Granted Dec 27, 2011·3 cites·19 claims
- 3768US5678129AImage forming apparatus with contact type charging memberRICOH KK·Filed 1995·Granted Oct 14, 1997·20 cites·26 claims
- 3866US8983322B2Image forming apparatusSUGIMOTO NAOMI·Filed 2012·Granted Mar 17, 2015·1 cites·24 claims
- 3964US10088781B2Image forming apparatus and image forming methodRICOH CO LTD·Filed 2016·Granted Oct 2, 2018·0 cites·24 claims
- 4062US9563153B2Image forming apparatus and image forming methodRICOH CO LTD·Filed 2016·Granted Feb 7, 2017·0 cites·12 claims
- 4161US9285723B2Image forming apparatus and image forming methodSUGIMOTO NAOMI·Filed 2014·Granted Mar 15, 2016·0 cites·20 claims
- 4260US8948647B2Belt device and image forming apparatus incorporating same having a cleaning device which cleans utilizing different polaritiesSUGIURA KENJI·Filed 2014·Granted Feb 3, 2015·0 cites·9 claims
- 4359USRE47726EImage forming apparatusRICOH CO LTD·Filed 2016·Granted Nov 12, 2019·0 cites·32 claims
- 4459US9376257B2Belt tracking system, multi-roller assembly and image forming apparatus employing sameHOZUMI YOSHIKI·Filed 2013·Granted Jun 28, 2016·0 cites·15 claims
- 4556US9417565B2Conveyor system and image forming apparatus including sameRICOH CO LTD·Filed 2015·Granted Aug 16, 2016·0 cites·3 claims
- 4656US9335674B2Transfer device with transfer voltage unit and image forming apparatus using the sameSUGIMOTO NAOMI·Filed 2015·Granted May 10, 2016·0 cites·17 claims
- 4752US9310750B2Image forming apparatus and process cartridge thereforKIKUCHI HISASHI·Filed 2013·Granted Apr 12, 2016·0 cites·13 claims
- 4852US9081353B2Cleaner, and process cartridge and image forming apparatus using the cleanerTAWADA TAKAAKI·Filed 2013·Granted Jul 14, 2015·0 cites·20 claims
- 4949US10073386B2Image forming apparatusSUGIMOTO NAOMI·Filed 2017·Granted Sep 11, 2018·0 cites·20 claims
- 5049US9541881B2Recording medium conveying device with a separation support roller and image forming apparatus incorporating the sameHOZUMI YOSHIKI·Filed 2015·Granted Jan 10, 2017·0 cites·7 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →