Inventor · disambiguated record
Atsushi Nakafuji
Also filed as: NAKAFUJI ATSUSHI
42 granted patents·3 pending applications·1,155 citations·filing 2000–2018
98Inventor score
Top patents by PatentIndex Score
45 records- 0198US7299003B2Fixing unit and image forming apparatus providing a quick start-up and reduction in energy consumptionRICOH KK·Filed 2005·Granted Nov 20, 2007·50 cites·19 claims
- 0298US7233762B2Method of uniformly fixing toner to recording medium in image forming apparatusRICOH KK·Filed 2005·Granted Jun 19, 2007·52 cites·26 claims
- 0398US6542705B2Electrophotographic heating apparatus, system, and methodRICOH KK·Filed 2001·Granted Apr 1, 2003·143 cites·81 claims
- 0497US7526242B2Transferring apparatus and image forming apparatusRICOH KK·Filed 2006·Granted Apr 28, 2009·33 cites·15 claims
- 0597US7433641B2Fixing member, fixing device, and image forming apparatusRICOH KK·Filed 2005·Granted Oct 7, 2008·21 cites·15 claims
- 0697US7369803B2Fixing device and image forming apparatus using the sameRICOH KK·Filed 2005·Granted May 6, 2008·27 cites·6 claims
- 0797US7333760B2Fixing device with temperature controlRICOH KK·Filed 2005·Granted Feb 19, 2008·31 cites·18 claims
- 0897US7269384B2Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatusRICOH KK·Filed 2005·Granted Sep 11, 2007·39 cites·22 claims
- 0996US7570911B2Image forming method and apparatus for fixing an imageRICOH KK·Filed 2006·Granted Aug 4, 2009·19 cites·18 claims
- 1096US6795678B2Image forming apparatus for fixing a toner image on a sheet or recording medium by use of a belt memberRICOH KK·Filed 2002·Granted Sep 21, 2004·71 cites·19 claims
- 1196US6795676B2Sheet wrapping avoidable fixing apparatus and image forming apparatusRICOH KK·Filed 2002·Granted Sep 21, 2004·46 cites·31 claims
- 1295US7127202B2Intermediary transfer apparatus, fixing apparatus and image forming apparatusRICOH KK·Filed 2004·Granted Oct 24, 2006·56 cites·21 claims
- 1395US7058330B2Image forming apparatusRICOH KK·Filed 2005·Granted Jun 6, 2006·18 cites·13 claims
- 1495US6847792B2Image forming apparatus having a selectively discharged storageRICOH KK·Filed 2002·Granted Jan 25, 2005·46 cites·12 claims
- 1594US7010255B2Fixing device having a heating member and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Mar 7, 2006·50 cites·12 claims
- 1694US6631253B2Fixing device and image forming apparatus using the sameRICOH KK·Filed 2001·Granted Oct 7, 2003·49 cites·28 claims
- 1794US6559421B1Image forming apparatus and fixing device thereforRICOH KK·Filed 2000·Granted May 6, 2003·38 cites·17 claims
- 1893US7551882B2Image forming apparatus equipping improved transfer fixing apparatusRICOH KK·Filed 2007·Granted Jun 23, 2009·16 cites·20 claims
- 1993US7177580B2Image forming method and apparatus for fixing an imageRICOH KK·Filed 2004·Granted Feb 13, 2007·36 cites·60 claims
- 2092US7693471B2Sheet wrapping avoidable fixing apparatus and image forming apparatusRICOH KK·Filed 2008·Granted Apr 6, 2010·9 cites·53 claims
- 2192US7254362B2Fixing device, image forming apparatus using the fixing device, and heat insulating memberRICOH KK·Filed 2004·Granted Aug 7, 2007·38 cites·33 claims
- 2292US6646227B2Image forming apparatus and fixing device thereforRICOH KK·Filed 2002·Granted Nov 11, 2003·30 cites·107 claims
- 2391US7738827B2Image forming apparatus with toner image fixing unit, and the fixing method thereofRICOH KK·Filed 2005·Granted Jun 15, 2010·10 cites·10 claims
- 2491US7711301B2Image transfer device for image forming apparatusRICOH KK·Filed 2007·Granted May 4, 2010·13 cites·32 claims
- 2591US7643767B2Transfer-fixing unit and image forming apparatus for enhanced image qualityRICOH KK·Filed 2007·Granted Jan 5, 2010·13 cites·20 claims
- 2691US7139520B2Fixing device, nipping device, and image forming apparatusRICOH KK·Filed 2004·Granted Nov 21, 2006·34 cites·32 claims
- 2790US6636718B2Heating roller, method of producing the heating roller, and heating device, fixing device and image forming apparatus using the heating rollerRICOH KK·Filed 2001·Granted Oct 21, 2003·37 cites·27 claims
- 2889US7711300B2Image forming apparatusRICOH KK·Filed 2007·Granted May 4, 2010·11 cites·7 claims
- 2989US7010257B2Method of fixing toner on recording mediumRICOH KK·Filed 2004·Granted Mar 7, 2006·26 cites·14 claims
- 3089US6957036B2Fixing member, fixing device, and image forming apparatusRICOH KK·Filed 2004·Granted Oct 18, 2005·32 cites·14 claims
- 3188US7346305B2Sheet wrapping avoidable fixing apparatus and image forming apparatusRICOH KK·Filed 2006·Granted Mar 18, 2008·6 cites·11 claims
- 3288US7251429B2Image forming apparatus with an energy storage that can be discharged, and with a display of residual energy in the storageRICOH KK·Filed 2006·Granted Jul 31, 2007·7 cites·19 claims
- 3387US9131104B2Management device, communication system, and storage mediumNAKAFUJI ATSUSHI·Filed 2014·Granted Sep 8, 2015·11 cites·9 claims
- 3485US7790343B2Process, toner, process cartridge and apparatus for developing a toner imageRICOH KK·Filed 2007·Granted Sep 7, 2010·8 cites·23 claims
- 3574US7613419B2Image forming apparatus and image forming method characterized by a particular nip timeRICOH KK·Filed 2006·Granted Nov 3, 2009·4 cites·19 claims
- 3670US10021345B2Communication management system, communication terminal, communication system, communication control method, and recording mediumHORIUCHI TAKESHI·Filed 2015·Granted Jul 10, 2018·2 cites·18 claims
- 3768US6897409B2Image forming apparatus and fixing device thereforRICOH KK·Filed 2003·Granted May 24, 2005·7 cites·56 claims
- 3867US7224928B2Sheet wrapping avoidable fixing apparatus and image forming apparatusRICOH KK·Filed 2004·Granted May 29, 2007·6 cites·10 claims
- 3966US7107681B2Heating roller, method of producing the heating roller, and heating device, fixing device and image forming apparatus using the heating rollerRICOH KK·Filed 2003·Granted Sep 19, 2006·9 cites·3 claims
- 4060US8131699B2Menu distribution system, menu server, read/write device, method, and computer readable recording mediumSATOH SHINJI·Filed 2008·Granted Mar 6, 2012·1 cites·4 claims
- 4154US8515323B2Sheet wrapping avoidable fixing apparatus and image forming apparatusKIKUCHI HISASHI·Filed 2009·Granted Aug 20, 2013·0 cites·25 claims
- 4243US2018324228A1Communication terminal, communication system, communication management method, and mediumHASEGAWA TAKASHI·Filed 2018·Application pending·0 cites
- 4337US9706164B2Communication management system, communication terminal, communication system, communication control method, and recording mediumSHIRO HIDEKI·Filed 2016·Granted Jul 11, 2017·0 cites·11 claims
- 4437US2006013624A1Image-fixing apparatus, and, image-forming apparatusKUROTAKA SHIGEO·Filed 2005·Application pending·0 cites
- 4536US2005158075A1Heating apparatus, image fixing apparatus, and image forming apparatusFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →