Inventor · disambiguated record
Hiroshi Nagame
Also filed as: NAGAME HIROSHI
33 granted patents·1 pending application·1,615 citations·filing 1988–2008
98Inventor score
Technology areasG03G
Files withRICOH KK33
Top patents by PatentIndex Score
34 records- 0198US6030733AElectrophotographic photoconductor with water vapor permeabilityRICOH KK·Filed 1999·Granted Feb 29, 2000·133 cites·2 claims
- 0298US5871876AElectrophotographic photoconductorRICOH KK·Filed 1997·Granted Feb 16, 1999·157 cites·11 claims
- 0397US6641964B2Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptorRICOH KK·Filed 2001·Granted Nov 4, 2003·80 cites·24 claims
- 0497US6562529B1Electrophotographic drum-shaped photoconductor and image forming method and apparatus using the sameRICOH KK·Filed 2000·Granted May 13, 2003·85 cites·12 claims
- 0597US6151468AElectrophotographic photoconductorRICOH KK·Filed 1999·Granted Nov 21, 2000·105 cites·2 claims
- 0697US6060205AImage forming apparatusRICOH KK·Filed 1999·Granted May 9, 2000·120 cites·61 claims
- 0796US6558862B2Electrophotographic photoreceptor and image forming apparatus using the photoreceptorRICOH KK·Filed 2001·Granted May 6, 2003·70 cites·30 claims
- 0895US6363237B1Unit for imparting lubricity to electrophotographic photoconductor, electrophotographic image formation apparatus including the unit, and image formation method using the apparatusRICOH KK·Filed 1999·Granted Mar 26, 2002·81 cites·20 claims
- 0994US7341814B2Electrophotographic photoconductor, preparation method thereof, electrophotographic apparatus and process cartridgeRICOH KK·Filed 2005·Granted Mar 11, 2008·19 cites·26 claims
- 1094US6521386B1Electrophotographic photoreceptor and electrophotographic image forming method and apparatus using the photoreceptorRICOH KK·Filed 2000·Granted Feb 18, 2003·60 cites·18 claims
- 1194US6160977AImage forming apparatus and device for applying a lubricant to an imageRICOH KK·Filed 1999·Granted Dec 12, 2000·72 cites·19 claims
- 1294US5008172AElectrophotographic photoconductorRICOH KK·Filed 1989·Granted Apr 16, 1991·52 cites·14 claims
- 1393US6686114B2Electrophotographic image forming method and apparatusRICOH KK·Filed 2002·Granted Feb 3, 2004·47 cites·23 claims
- 1492US6844124B2Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptorRICOH KK·Filed 2003·Granted Jan 18, 2005·31 cites·9 claims
- 1592US6118964AMulti-functional contact-type charging unit and image transfer unitRICOH KK·Filed 1998·Granted Sep 12, 2000·56 cites·12 claims
- 1692US6014532AImage forming apparatusRICOH KK·Filed 1998·Granted Jan 11, 2000·59 cites·6 claims
- 1791US5147751AElectrophotographic photoconductor and electrophotographic copying process and apparatus using the photoconductorRICOH KK·Filed 1991·Granted Sep 15, 1992·47 cites·9 claims
- 1889US5059502AElectrophotographic photoconductorRICOH KK·Filed 1989·Granted Oct 22, 1991·32 cites·24 claims
- 1988US4957839AElectrophotographic photoconductor having a silicone resin charge retention layerRICOH KK·Filed 1988·Granted Sep 18, 1990·36 cites·11 claims
- 2086US5525447AElectrophotographic photoconductorRICOH KK·Filed 1994·Granted Jun 11, 1996·31 cites·6 claims
- 2185US6706459B2Electrophotographic drum-shaped photoconductor and image forming method and apparatus using the sameRICOH KK·Filed 2003·Granted Mar 16, 2004·22 cites·18 claims
- 2283US5656406AElectrophotographic photoconductor with amorphous carbon overlayerRICOH KK·Filed 1995·Granted Aug 12, 1997·33 cites·2 claims
- 2382US7177570B2Measurement of frictional resistance of photoconductor against belt in image forming apparatus, process cartridge, and image forming methodRICOH KK·Filed 2004·Granted Feb 13, 2007·20 cites·40 claims
- 2482US5870657ACharging apparatus for photoconductor with ozone adsorption featuresRICOH KK·Filed 1996·Granted Feb 9, 1999·30 cites·15 claims
- 2580US5840455AElectrophotographic photoconductorRICOH KK·Filed 1996·Granted Nov 24, 1998·30 cites·18 claims
- 2679US5452061AImage formation apparatusRICOH KK·Filed 1993·Granted Sep 19, 1995·25 cites·4 claims
- 2778US5390015ACarrier removal in an electrophotographic image formation methodRICOH KK·Filed 1993·Granted Feb 14, 1995·24 cites·8 claims
- 2877US5264903ACleaning unit with a cleaning member made of activated carbon fibersRICOH KK·Filed 1991·Granted Nov 23, 1993·21 cites·5 claims
- 2975US6879799B2Image-forming apparatus and image-forming process-cartridgeRICOH KK·Filed 2003·Granted Apr 12, 2005·14 cites·16 claims
- 3074US7315722B2Image forming apparatus and image forming methodRICOH KK·Filed 2004·Granted Jan 1, 2008·17 cites·11 claims
- 3168US7153621B2Electrophotographic photoreceptor and image forming apparatus using the photoreceptorRICOH KK·Filed 2005·Granted Dec 26, 2006·2 cites·33 claims
- 3266US7482104B2Toner, developer, toner container and latent electrostatic image carrier, and process cartridge, image forming method, and image forming apparatus using the sameRICOH KK·Filed 2008·Granted Jan 27, 2009·2 cites·14 claims
- 3345US7386256B2Toner, developer, toner container and latent electrostatic image carrier, and process cartridge, image forming method, and image forming apparatus using the sameRICOH KK·Filed 2004·Granted Jun 10, 2008·2 cites·11 claims
- 3437US2003152854A1Electrophotographic photoreceptor and image forming apparatus using the photoreceptorFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →