Inventor · disambiguated record
Osamu Naruse
Also filed as: NARUSE OSAMU
34 granted patents·5 pending applications·722 citations·filing 1982–2014
98Inventor score
Top patents by PatentIndex Score
39 records- 0196US7369807B2Cleaner, and process cartridge and image forming apparatus using the cleanerRICOH KK·Filed 2005·Granted May 6, 2008·25 cites·43 claims
- 0296US6799012B2Cleaning device and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Sep 28, 2004·72 cites·25 claims
- 0395US5818482AInk jet printing headRICOH KK·Filed 1995·Granted Oct 6, 1998·134 cites·30 claims
- 0494US7620357B2Image forming apparatus with obtuse-edge cleaning bladeRICOH KK·Filed 2006·Granted Nov 17, 2009·18 cites·17 claims
- 0594US7610008B2Cleaning device, and process unit and image forming apparatus including the cleaning deviceRICOH KK·Filed 2006·Granted Oct 27, 2009·18 cites·20 claims
- 0693US8041281B2Cleaning device, image forming apparatus, and process cartridgeRICOH CO LTD·Filed 2008·Granted Oct 18, 2011·15 cites·19 claims
- 0793US7415238B2Cleaning device, process cartridge, and image forming apparatus that include a blade that is pressed against a surface of a rotating member at a surface pressure of 2.0 MPa or moreRICOH KK·Filed 2005·Granted Aug 19, 2008·17 cites·15 claims
- 0892US6987944B2Cleaning device and image forming apparatus using the cleaning deviceRICOH KK·Filed 2002·Granted Jan 17, 2006·40 cites·55 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
- 1389US7062212B2Cleaning apparatus, image forming apparatus, and process cartridgeRICOH KK·Filed 2004·Granted Jun 13, 2006·29 cites·19 claims
- 1488US8437657B2Cleaning apparatus and image forming apparatusKIKUCHI HISASHI·Filed 2010·Granted May 7, 2013·5 cites·15 claims
- 1586US7123872B2Cleaning device and method, image forming apparatus, and process cartridgeRICOH KK·Filed 2003·Granted Oct 17, 2006·24 cites·75 claims
- 1686US5146236AInk jet record apparatusRICOH KK·Filed 1990·Granted Sep 8, 1992·65 cites·11 claims
- 1786US4847631ACharge and deflection control type ink jet printerRICOH KK·Filed 1987·Granted Jul 11, 1989·45 cites·16 claims
- 1886US4800398AInk-jet printer with an encased printer head unitRICOH KK·Filed 1987·Granted Jan 24, 1989·40 cites·16 claims
- 1984US7184699B2Cleaning blade for image formation apparatusRICOH KK·Filed 2004·Granted Feb 27, 2007·21 cites·12 claims
- 2080US8433213B2Cleaning device and image forming apparatusHOZUMI YOSHIKI·Filed 2011·Granted Apr 30, 2013·3 cites·12 claims
- 2180US7415236B2Cleaning unit, process cartridge, and image-forming apparatusRICOH KK·Filed 2004·Granted Aug 19, 2008·18 cites·16 claims
- 2279US7809321B2Cleaning device, process cartridge and image forming apparatusRICOH KK·Filed 2007·Granted Oct 5, 2010·5 cites·19 claims
- 2373US8548350B2Cleaning device and image forming apparatusHOZUMI YOSHIKI·Filed 2011·Granted Oct 1, 2013·2 cites·10 claims
- 2473US8190077B2Cleaning device and image forming apparatusNARUSE OSAMU·Filed 2009·Granted May 29, 2012·4 cites·9 claims
- 2572US8280295B2Cleaning device, image forming apparatus including the device, and process cartridge including the deviceNARUSE OSAMU·Filed 2008·Granted Oct 2, 2012·4 cites·19 claims
- 2670US8731431B2Belt 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
- 2767US5270740AInk jet headRICOH KK·Filed 1992·Granted Dec 14, 1993·23 cites·8 claims
- 2865US8027628B2Cleaning device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Sep 27, 2011·2 cites·20 claims
- 2963US4677845ADevice for detecting viscosity of liquidRICOH KK·Filed 1985·Granted Jul 7, 1987·22 cites·5 claims
- 3061US4429317AInk ejection headRICOH KK·Filed 1982·Granted Jan 31, 1984·12 cites·3 claims
- 3160US8948647B2Belt 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
- 3257US5260723ALiquid jet recording headRICOH KK·Filed 1990·Granted Nov 9, 1993·14 cites·21 claims
- 3344US8326174B2Cleaning unit for an electrophotographic image forming apparatus having a polarity control memberNARUSE OSAMU·Filed 2010·Granted Dec 4, 2012·0 cites·16 claims
- 3443US2010008706A1Cleaning device and image forming apparatusSUGIURA KENJI·Filed 2009·Application pending·0 cites
- 3541US2009035038A1Cleaning device, image carrier unit, and image forming apparatusSUGIMOTO NAOMI·Filed 2008·Application pending·0 cites
- 3639US2007212139A1Image forming apparatus, process unit, and cleaning deviceSUGIURA KENJI·Filed 2007·Application pending·0 cites
- 3736US2005058474A1Cleaning device, process cartridge, and image forming apparatusFiled 2004·Application pending·0 cites
- 3834US2011085834A1Cleaning device and image forming apparatus incorporating sameNARUSE OSAMU·Filed 2010·Application pending·0 cites
- 3933US8600256B2Cleaning device and image forming apparatus including sameSAKAKIBARA YUU·Filed 2011·Granted Dec 3, 2013·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →