Inventor · disambiguated record
Takatomo Fukumoto
Also filed as: FUKUMOTO TAKATOMO
37 granted patents·6 pending applications·161 citations·filing 1990–2011
96Inventor score
Top patents by PatentIndex Score
43 records- 0196US7885554B2Developing device, image forming apparatus, image forming system, cartridge, developing unit and photoconductor unitSEIKO EPSON CORP·Filed 2005·Granted Feb 8, 2011·46 cites·91 claims
- 0284US7555252B2Image forming apparatus that prevents conspicuous unevenness in image densitySEIKO EPSON CORP·Filed 2007·Granted Jun 30, 2009·8 cites·20 claims
- 0383US5272034AProcess for producing electrophotographic tonerMITA INDUSTRIAL CO LTD·Filed 1992·Granted Dec 21, 1993·28 cites·2 claims
- 0481US7783234B2Developer cartridge, image forming apparatus, and shutter deviceSEIKO EPSON CORP·Filed 2007·Granted Aug 24, 2010·6 cites·20 claims
- 0579US6686112B2Electrophotographing dry-type toner and production method thereforSEIKO EPSON CORP·Filed 2001·Granted Feb 3, 2004·15 cites·6 claims
- 0677US7907879B2Development roller, development device, image forming apparatus, and method of manufacturing development rollerSEIKO EPSON CORP·Filed 2009·Granted Mar 15, 2011·4 cites·20 claims
- 0777US7609990B2Image forming apparatus that prevents toner from being jetted when cleaner blade or sealing member is separated from image carrierSEIKO EPSON CORP·Filed 2006·Granted Oct 27, 2009·5 cites·16 claims
- 0875US7787003B2Image forming apparatusSEIKO EPSON CORP·Filed 2006·Granted Aug 31, 2010·4 cites·4 claims
- 0966US7609993B2Image forming apparatus that prevents developer from spillingSEIKO EPSON CORP·Filed 2006·Granted Oct 27, 2009·3 cites·16 claims
- 1065US7965965B2Development device and image forming apparatusSEIKO EPSON CORP·Filed 2009·Granted Jun 21, 2011·2 cites·10 claims
- 1164US8412080B2Developing roller manufacturing method, developing roller, developing device, and image forming apparatusMAEDA MASAHIRO·Filed 2009·Granted Apr 2, 2013·4 cites·8 claims
- 1264US8295723B2Image forming apparatus and image forming method with improved protective agent propertiesKOBASHI MASARU·Filed 2009·Granted Oct 23, 2012·2 cites·15 claims
- 1363US8175497B2Image forming apparatus applying protective agentKOBASHI MASARU·Filed 2009·Granted May 8, 2012·2 cites·10 claims
- 1462US7536126B2Apparatus for forming image-quality evaluation imageSEIKO EPSON CORP·Filed 2005·Granted May 19, 2009·2 cites·15 claims
- 1559US8081911B2Development roller, development device, and image forming apparatusYAMADA YOICHI·Filed 2009·Granted Dec 20, 2011·1 cites·14 claims
- 1657US8401443B2Toner-particle bearing roller, developing device, and image forming apparatusYAMADA YOICHI·Filed 2011·Granted Mar 19, 2013·0 cites·6 claims
- 1756US8027624B2Developer apparatus, an image forming apparatus and an image forming methodSEIKO EPSON CORP·Filed 2008·Granted Sep 27, 2011·1 cites·12 claims
- 1851US6806011B2Dry toner for electrophotography, and its production processSEIKO EPSON CORP·Filed 2003·Granted Oct 19, 2004·3 cites·2 claims
- 1950US8252497B2Toner, toner production method, and image forming device using the sameYAMAZAKI SOICHI·Filed 2010·Granted Aug 28, 2012·0 cites·11 claims
- 2050US8023868B2Development roller, development device, and image forming apparatusSEIKO EPSON CORP·Filed 2009·Granted Sep 20, 2011·0 cites·12 claims
- 2148US8032064B2Developer apparatus, image forming apparatus and developing methodSEIKO EPSON CORP·Filed 2008·Granted Oct 4, 2011·0 cites·17 claims
- 2248US7065310B2Image forming apparatus that quickly removes ozone present in the vicinity of a corona chargerSEIKO EPSON CORP·Filed 2004·Granted Jun 20, 2006·3 cites·15 claims
- 2347US7991329B2Developer apparatus, image forming apparatus and developing methodSEIKO EPSON CORP·Filed 2008·Granted Aug 2, 2011·0 cites·11 claims
- 2446US8170454B2Image forming apparatus and image forming methodYAMADA YOICHI·Filed 2009·Granted May 1, 2012·0 cites·12 claims
- 2546US7899376B2Developing device, image forming apparatus, and image forming systemSEIKO EPSON CORP·Filed 2008·Granted Mar 1, 2011·0 cites·7 claims
- 2646US5258253AMagnetic carrier for electronic reproduction coated with a nitrogen containing silicone resinMITA INDUSTRIAL CO LTD·Filed 1992·Granted Nov 2, 1993·7 cites·13 claims
- 2745US7974549B2Developing device and image forming apparatusSEIKO EPSON CORP·Filed 2010·Granted Jul 5, 2011·0 cites·6 claims
- 2845US7899375B2Developing apparatus, image forming apparatus, image forming system and image forming methodSEIKO EPSON CORP·Filed 2008·Granted Mar 1, 2011·0 cites·30 claims
- 2945US6145827AAutomatic document conveyerKYOCERA MITA CORP·Filed 1999·Granted Nov 14, 2000·7 cites·6 claims
- 3044US8526855B2Image forming apparatus and image forming methodKOBASHI MASARU·Filed 2009·Granted Sep 3, 2013·0 cites·9 claims
- 3144US8081910B2Image forming apparatus and image forming methodYAMADA YOICHI·Filed 2009·Granted Dec 20, 2011·0 cites·9 claims
- 3243US8010024B2Developer apparatus with restriction member removing toner from convex sections of toner carrier rollerSEIKO EPSON CORP·Filed 2008·Granted Aug 30, 2011·0 cites·13 claims
- 3343US2009290900A1Developing Device, Image Forming Apparatus, and Method of Manufacturing Developing DeviceSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 3443US2009190962A1Developing Device and Image-Forming ApparatusSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 3542US8086152B2Developing device, image forming apparatus, image forming system, developing method, and toner bearing memberYAMADA YOICHI·Filed 2008·Granted Dec 27, 2011·0 cites·18 claims
- 3642US7945194B2Image forming apparatus and image forming system reducing electrical dischargeSEIKO EPSON CORP·Filed 2008·Granted May 17, 2011·0 cites·5 claims
- 3742US7639977B2Image forming apparatus that performs charge elimination after secondary transfer to prevent winding of recording medium on intermediate transfer memberSEIKO EPSON CORP·Filed 2006·Granted Dec 29, 2009·0 cites·8 claims
- 3841US5168027ACarrier of developer, process for preparation thereof, and developing method using sameMITA INDUSTRIAL CO LTD·Filed 1990·Granted Dec 1, 1992·6 cites·4 claims
- 3935US2010248131A1Image forming apparatus and image forming methodSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4035US2010248129A1Image forming apparatus and image forming methodSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4135US2010247187A1Image forming apparatus and image forming methodSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4235US2010239272A1Developing device and image forming apparatusSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4329US5310617AMagnetic brush developing process and developerMITA INDUSTRIAL CO LTD·Filed 1990·Granted May 10, 1994·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →