Inventor · disambiguated record
Naoki Nakatake
Also filed as: NAKATAKE NAOKI
47 granted patents·3 pending applications·106 citations·filing 2002–2021
97Inventor score
Technology areasG03G
Top patents by PatentIndex Score
50 records- 0197US8744321B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2013·Granted Jun 3, 2014·17 cites·30 claims
- 0295US8792808B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2013·Granted Jul 29, 2014·7 cites·35 claims
- 0394US10175607B2Developer container including a convex portion, a rotator, and a recessKUBOTA TOMOHIRO·Filed 2017·Granted Jan 8, 2019·4 cites·31 claims
- 0492US9201341B2Developer container, developing device, processing unit, image forming device, and method of manufacturing developer containerTSURITANI SHOH·Filed 2014·Granted Dec 1, 2015·8 cites·16 claims
- 0592US8571426B2Toner supply method, development device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2011·Granted Oct 29, 2013·8 cites·20 claims
- 0691US9069284B2Image forming apparatus and powder transport unitSHIMIZU YOSHIYUKI·Filed 2013·Granted Jun 30, 2015·7 cites·12 claims
- 0786US8861991B2Developer amount detector, and developer container, development device, and image forming apparatus incorporating sameKUBOTA TOMOHIRO·Filed 2012·Granted Oct 14, 2014·4 cites·18 claims
- 0885US10496013B2Developing device, process cartridge, and image forming apparatusKUBOTA TOMOHIRO·Filed 2018·Granted Dec 3, 2019·2 cites·13 claims
- 0980US11506994B2Toner cartridge including a protrusion protruding from a center of a conveyance drive gearRICOH CO LTD·Filed 2021·Granted Nov 22, 2022·0 cites·7 claims
- 1080US10816914B2Developer container for image forming apparatusRICOH CO LTD·Filed 2019·Granted Oct 27, 2020·0 cites·30 claims
- 1178US10558145B2Downsized developer container with higher degree of freedomRICOH CO LTD·Filed 2019·Granted Feb 11, 2020·0 cites·30 claims
- 1278US8257891B2Electrophotographic photoconductor, process cartridge and image forming apparatusNAKATAKE NAOKI·Filed 2010·Granted Sep 4, 2012·3 cites·17 claims
- 1377US8774683B2Development device, developer container, and image forming apparatusKUBOTA TOMOHIRO·Filed 2012·Granted Jul 8, 2014·2 cites·22 claims
- 1476US11231663B2Toner cartridge including a protrusion protruding from a center of a conveyance drive gearRICOH CO LTD·Filed 2020·Granted Jan 25, 2022·0 cites·15 claims
- 1576US10295933B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2018·Granted May 21, 2019·0 cites·7 claims
- 1676US8811859B2Developer container, development device, process unit, and image forming apparatusTSURITANI SHOH·Filed 2012·Granted Aug 19, 2014·2 cites·9 claims
- 1774US7848694B2Image forming device, processing unit, and image forming methodRICOH CO LTD·Filed 2006·Granted Dec 7, 2010·4 cites·20 claims
- 1873US8594519B2Image forming apparatus and toner supply methodNAKATAKE NAOKI·Filed 2011·Granted Nov 26, 2013·2 cites·11 claims
- 1971US8892007B2Image forming apparatus, toner supplying method, and computer program productTAKANE TOSHIAKI·Filed 2012·Granted Nov 18, 2014·2 cites·7 claims
- 2070US8483583B2Image forming apparatus and toner supply methodTAKEHARA ATSUSHI·Filed 2011·Granted Jul 9, 2013·2 cites·10 claims
- 2169US9696657B2Developer container, developing device, process unit, and image forming apparatusRICOH CO LTD·Filed 2016·Granted Jul 4, 2017·0 cites·20 claims
- 2269US9176419B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2014·Granted Nov 3, 2015·0 cites·19 claims
- 2369US7840157B2Image forming apparatus and image carrier unitRICOH CO LTD·Filed 2007·Granted Nov 23, 2010·3 cites·12 claims
- 2467US9280130B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2015·Granted Mar 8, 2016·0 cites·26 claims
- 2567US7813692B2Waste-toner conveying device, cleaning device, and process cartridgeRICOH KK·Filed 2009·Granted Oct 12, 2010·2 cites·12 claims
- 2666US8983323B2Color image forming apparatus with a line velocity difference set between image carriersYAMASHITA TAKESHI·Filed 2013·Granted Mar 17, 2015·1 cites·10 claims
- 2766US8503892B2Developing unit, image forming apparatus, and process cartridgeSAKAYA KOHTA·Filed 2011·Granted Aug 6, 2013·1 cites·18 claims
- 2864US8805222B2Image developing device, process cartridge including image developing device, and image forming device including image developing deviceNAKATAKE NAOKI·Filed 2012·Granted Aug 12, 2014·1 cites·18 claims
- 2964US6983840B2Package and method of forming the packageRICOH KK·Filed 2002·Granted Jan 10, 2006·8 cites·43 claims
- 3056US7334383B2Package and method of forming the packageRICOH KK·Filed 2005·Granted Feb 26, 2008·1 cites·6 claims
- 3153US9733607B2Toner conveyance device and image forming apparatusMATSUMOTO KAZUKI·Filed 2016·Granted Aug 15, 2017·0 cites·20 claims
- 3251US9164435B2Fixing device and image forming apparatusADACHI TOMOYA·Filed 2013·Granted Oct 20, 2015·0 cites·13 claims
- 3351US8192910B2Image forming method, image forming apparatus and process cartridgeKATOH HIROAKI·Filed 2009·Granted Jun 5, 2012·1 cites·8 claims
- 3449USD723099SPowder containerKUBOTA TOMOHIRO·Filed 2013·Granted Feb 24, 2015·6 cites·1 claims
- 3547US9811023B2Developing device, image forming apparatus, and toner detection methodYAMAGUCHI AKINORI·Filed 2014·Granted Nov 7, 2017·0 cites·10 claims
- 3646USD724655SPowder containerKUBOTA TOMOHIRO·Filed 2013·Granted Mar 17, 2015·4 cites·1 claims
- 3745US9360824B2Image forming apparatus and process cartridgeFUKAO TOMOHIRO·Filed 2015·Granted Jun 7, 2016·0 cites·10 claims
- 3845US9182688B2Image forming apparatus, image forming method and process cartridgeKADOTA TAKUYA·Filed 2013·Granted Nov 10, 2015·0 cites·9 claims
- 3945US8452216B2Image forming apparatus which mixes new unused toner with used old tonerFUJITA TETSUMARU·Filed 2010·Granted May 28, 2013·0 cites·9 claims
- 4044US8036573B2Process cartridge and image forming apparatus including a toner charge control device with an endless beltRICOH CO LTD·Filed 2008·Granted Oct 11, 2011·0 cites·18 claims
- 4142US9116460B2Reducing toner adhesion to a development device of an image forming apparatusMATSUNO YASUHIDE·Filed 2013·Granted Aug 25, 2015·0 cites·18 claims
- 4242US8706010B2Image forming apparatus using a toner container in which the toner outlet may be positioned in a horizontal or vertical directionTAKEHARA ATSUSHI·Filed 2011·Granted Apr 22, 2014·0 cites·10 claims
- 4341US8971743B2Image forming apparatus and image forming methodMIYAZAKI TAKAFUMI·Filed 2013·Granted Mar 3, 2015·0 cites·13 claims
- 4441US8055178B2Cleaning device, process cartridge, and image forming apparatus having a pressing member which contacts an elastic bladeRICOH CO LTD·Filed 2008·Granted Nov 8, 2011·0 cites·13 claims
- 4540US9772601B2Image forming apparatus and process unitKICHISE MITSUTOSHI·Filed 2016·Granted Sep 26, 2017·0 cites·9 claims
- 4639USD698387SPowder containerKUBOTA TOMOHIRO·Filed 2012·Granted Jan 28, 2014·3 cites·1 claims
- 4735US2009052952A1Image forming apparatus, process cartridge and tonerKATOH HIROAKI·Filed 2008·Application pending·0 cites
- 4834USD712463SPowder containerKUBOTA TOMOHIRO·Filed 2013·Granted Sep 2, 2014·1 cites·1 claims
- 4934US2013236217A1Development device, and image forming apparatus and process unit incorporating sameNAGATOMO YUJI·Filed 2013·Application pending·0 cites
- 5032US2017248896A1Image forming apparatusNAKATAKE NAOKI·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →