Inventor · disambiguated record
Masaharu Furuya
Also filed as: FURUYA MASAHARU
34 granted patents·272 citations·filing 1996–2024
96Inventor score
Top patents by PatentIndex Score
34 records- 0196US7221887B2Image forming apparatus that recovers waste toner inside thereofRICOH KK·Filed 2005·Granted May 22, 2007·25 cites·7 claims
- 0295US6807386B2Fixing device and image forming apparatusRICOH KK·Filed 2003·Granted Oct 19, 2004·63 cites·31 claims
- 0393US7277667B2Endless belt device and image forming apparatus using the deviceRICOH KK·Filed 2005·Granted Oct 2, 2007·15 cites·13 claims
- 0492US8385793B2Image forming apparatus preventing gaps between a conveyor belt and transfer sheetRICOH CO LTD·Filed 2010·Granted Feb 26, 2013·8 cites·12 claims
- 0592US7979000B2Transfer unit and image forming apparatusRICOH CO LTD·Filed 2009·Granted Jul 12, 2011·15 cites·18 claims
- 0687US8422897B2Image forming apparatusSUZUKI HIROKATSU·Filed 2010·Granted Apr 16, 2013·6 cites·9 claims
- 0785US6389255B1Charging device including a charging roller, a charging roller cleaning member with a preselected length, an image forming apparatus using the charging device, and a method of operating the deviceRICOH KK·Filed 2000·Granted May 14, 2002·25 cites·48 claims
- 0885US5819136ATemperature control for a fixing deviceRICOH KK·Filed 1997·Granted Oct 6, 1998·37 cites·19 claims
- 0982US8238790B2Image forming apparatus with improved housing panel structural strengthFURUYA MASAHARU·Filed 2009·Granted Aug 7, 2012·8 cites·8 claims
- 1081US9599934B2Image forming apparatus having an angle adjuster for a tiltable support rollerHOZUMI YOSHIKI·Filed 2015·Granted Mar 21, 2017·2 cites·6 claims
- 1180US7657196B2Compact image forming apparatus with a moveable optical sensorRICOH KK·Filed 2008·Granted Feb 2, 2010·6 cites·20 claims
- 1279US10955771B2Belt control device and image forming apparatus incorporating sameKUMAGAI NAOHIRO·Filed 2020·Granted Mar 23, 2021·1 cites·7 claims
- 1379US6006051AElectrophotographic apparatus and image forming apparatus employed therein with controlled timing of a power supplyRICOH KK·Filed 1996·Granted Dec 21, 1999·30 cites·30 claims
- 1476US8306469B2Cleaning apparatus for removing toner adhered onto endless beltKIMURA YOSHIYUKI·Filed 2008·Granted Nov 6, 2012·4 cites·15 claims
- 1574US8175479B2Transfer device and image forming apparatus having first and second transfer nips and first and second contacting members which apply transfer biasesSAEKI KAZUCHIKA·Filed 2011·Granted May 8, 2012·2 cites·14 claims
- 1674US7813683B2Belt detaching device and image forming apparatus including belt detaching deviceRICOH KK·Filed 2007·Granted Oct 12, 2010·4 cites·18 claims
- 1773US9104162B2Conveyor system and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2014·Granted Aug 11, 2015·1 cites·5 claims
- 1872US7929877B2Transfer device and image forming apparatus having at least two contacting members applied with corresponding transfer biasesRICOH CO LTD·Filed 2007·Granted Apr 19, 2011·3 cites·10 claims
- 1971US9708143B2Belt device and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2015·Granted Jul 18, 2017·1 cites·8 claims
- 2066US7421239B2Cleaning apparatus for removing toner adhered onto endless beltRICOH KK·Filed 2004·Granted Sep 2, 2008·8 cites·14 claims
- 2164US8970858B2Operator guidance system and image forming apparatus incorporating sameAKIYAMA MAMI·Filed 2012·Granted Mar 3, 2015·2 cites·17 claims
- 2263US7881636B2Belt driving device and image forming apparatusRICOH CO LTD·Filed 2007·Granted Feb 1, 2011·2 cites·22 claims
- 2362US12455531B2Image forming apparatus including a transferer that reduces variations in transfer pressure between a transfer roller and image bearer during opening and closing of a cover of the image forming apparatusMEGURO YUUJI·Filed 2024·Granted Oct 28, 2025·0 cites·6 claims
- 2460US9499361B2Belt conveyor unit and image forming apparatus including sameIWAYA NAOKI·Filed 2014·Granted Nov 22, 2016·1 cites·9 claims
- 2560US8270875B2Image forming apparatusFUJITA JUNPEI·Filed 2009·Granted Sep 18, 2012·2 cites·24 claims
- 2658US9395656B2Transfer unit and image forming apparatus employing the transfer unitFURUYA MASAHARU·Filed 2014·Granted Jul 19, 2016·0 cites·14 claims
- 2756US11112734B2Belt device, belt regulator, roller unit, and image forming apparatusKUMAGAI NAOHIRO·Filed 2020·Granted Sep 7, 2021·0 cites·10 claims
- 2856US9417565B2Conveyor system and image forming apparatus including sameRICOH CO LTD·Filed 2015·Granted Aug 16, 2016·0 cites·3 claims
- 2951US9897946B2Roller member including a first and second high resistance member and image forming apparatus including the roller memberIMAI MASAKAZU·Filed 2016·Granted Feb 20, 2018·0 cites·10 claims
- 3050US8086155B2Transfer device and image forming apparatus including sameYAMAGUCHI TOSHITAKA·Filed 2008·Granted Dec 27, 2011·1 cites·8 claims
- 3149US8768200B2Transfer unit and image forming apparatus employing the transfer unitFURUYA MASAHARU·Filed 2009·Granted Jul 1, 2014·0 cites·29 claims
- 3249US8041282B2Powder container, cleaning device, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Oct 18, 2011·0 cites·14 claims
- 3348US9250575B2Belt assembly and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2014·Granted Feb 2, 2016·0 cites·5 claims
- 3434US9291952B2Belt assembly and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2015·Granted Mar 22, 2016·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →