Inventor · disambiguated record
Tomohiro Aruga
Also filed as: ARUGA TOMOHIRO
31 granted patents·14 pending applications·42 citations·filing 2005–2024
93Inventor score
Top patents by PatentIndex Score
45 records- 0195US9193882B2Ink composition for ink jet recording, ink supply system, and ink jet recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Nov 24, 2015·8 cites·13 claims
- 0293US7565099B2Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portionSEIKO EPSON CORP·Filed 2006·Granted Jul 21, 2009·17 cites·16 claims
- 0385US8790458B2Ink set and droplet ejection apparatus using the ink setARUGA TOMOHIRO·Filed 2012·Granted Jul 29, 2014·4 cites·20 claims
- 0484US7555252B2Image forming apparatus that prevents conspicuous unevenness in image densitySEIKO EPSON CORP·Filed 2007·Granted Jun 30, 2009·8 cites·20 claims
- 0576US9334412B2Ink composition for ink jet recording, ink supply system, and ink jet recording apparatusSEIKO EPSON CORP·Filed 2015·Granted May 10, 2016·1 cites·13 claims
- 0674US9004665B2Ink jet recording ink and ink jet recording systemSEIKO EPSON CORP·Filed 2013·Granted Apr 14, 2015·1 cites·12 claims
- 0772US9023140B2Ink jet ink set and ink jet recording systemSEIKO EPSON CORP·Filed 2014·Granted May 5, 2015·1 cites·15 claims
- 0871US12486415B2Ink jet textile-printing ink composition, recording method, and recorded materialSEIKO EPSON CORP·Filed 2023·Granted Dec 2, 2025·0 cites·9 claims
- 0971US8651647B2Liquid ejecting apparatus, and nozzle recovery method used in liquid ejecting apparatusARUGA TOMOHIRO·Filed 2011·Granted Feb 18, 2014·2 cites·6 claims
- 1070US12215241B2Printing ink jet ink composition and recording methodSEIKO EPSON CORP·Filed 2023·Granted Feb 4, 2025·0 cites·5 claims
- 1168US2024228808A1Ink Composition For Ink Jet Textile Printing And Method Of Ink Jet Textile PrintingSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1264US11505711B2Ink jet recording apparatus, ink jet recording method, and ink compositionSEIKO EPSON CORP·Filed 2020·Granted Nov 22, 2022·0 cites·7 claims
- 1363US11572485B2Ink setSEIKO EPSON CORP·Filed 2020·Granted Feb 7, 2023·0 cites·9 claims
- 1463US11511545B2Ink jet recording apparatus, ink jet recording method, and ink compositionSEIKO EPSON CORP·Filed 2020·Granted Nov 29, 2022·0 cites·9 claims
- 1562US11499064B2Ink jet recording apparatus, ink jet recording method, and ink compositionSEIKO EPSON CORP·Filed 2020·Granted Nov 15, 2022·0 cites·1 claims
- 1659US8991987B2Fluid ejecting apparatus and cleaning methodSEIKO EPSON CORP·Filed 2013·Granted Mar 31, 2015·0 cites·5 claims
- 1758US11479056B2Ink jet recording apparatus, ink jet recording method, and ink compositionSEIKO EPSON CORP·Filed 2020·Granted Oct 25, 2022·0 cites·10 claims
- 1857US8401443B2Toner-particle bearing roller, developing device, and image forming apparatusYAMADA YOICHI·Filed 2011·Granted Mar 19, 2013·0 cites·6 claims
- 1957US2021095150A1Ink jet recording apparatus, ink jet recording method, and aqueous ink compositionSEIKO EPSON CORP·Filed 2020·Application pending·0 cites
- 2051US10414931B2Ink composition, ink set, and ink jet recording deviceSEIKO EPSON CORP·Filed 2017·Granted Sep 17, 2019·0 cites·13 claims
- 2150US2011193918A1Fluid ejecting apparatus and cleaning methodSEIKO EPSON CORP·Filed 2011·Application pending·0 cites
- 2249US11578224B2Ink setSEIKO EPSON CORP·Filed 2020·Granted Feb 14, 2023·0 cites·4 claims
- 2349US10717888B2Ink composition, ink set, recording method, and ink jet recording apparatusSEIKO EPSON CORP·Filed 2018·Granted Jul 21, 2020·0 cites·12 claims
- 2448US8086150B2Toner particle-bearing roller with projection portion, developing device having such toner particle-bearing roller, and image forming apparatus having such developing deviceYAMADA YOICHI·Filed 2006·Granted Dec 27, 2011·0 cites·4 claims
- 2547US2013002754A1Liquid droplet discharge apparatus and ink setSEIKO EPSON CORP·Filed 2012·Application pending·0 cites
- 2645US8175504B2Image forming apparatus and image forming methodARUGA TOMOHIRO·Filed 2009·Granted May 8, 2012·0 cites·7 claims
- 2745US8126355B2Developing device with seal member that abuts toner carrier rollerARUGA TOMOHIRO·Filed 2009·Granted Feb 28, 2012·0 cites·9 claims
- 2845US7925195B2Method of manufacturing toner carrier roller, developer apparatus, and image forming apparatusSEIKO EPSON CORP·Filed 2009·Granted Apr 12, 2011·0 cites·8 claims
- 2943US7991319B2Image forming apparatus with seal member that abuts surface of toner carrier roller having convex and concave sectionsSEIKO EPSON CORP·Filed 2009·Granted Aug 2, 2011·0 cites·9 claims
- 3043US2009290900A1Developing Device, Image Forming Apparatus, and Method of Manufacturing Developing DeviceSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 3142US8534808B2Liquid ejecting apparatus and cleaning method in liquid ejecting apparatusARUGA TOMOHIRO·Filed 2011·Granted Sep 17, 2013·0 cites·17 claims
- 3242US7945194B2Image forming apparatus and image forming system reducing electrical dischargeSEIKO EPSON CORP·Filed 2008·Granted May 17, 2011·0 cites·5 claims
- 3341US8852837B2Toner, method for forming image, and image forming apparatusOKADA HIDEKI·Filed 2010·Granted Oct 7, 2014·0 cites·6 claims
- 3439US8311459B2Developing apparatus, image forming apparatus, image forming method, and tonerYAMADA YOICHI·Filed 2010·Granted Nov 13, 2012·0 cites·7 claims
- 3538US7315703B2Image forming apparatus, image forming system, and image forming methodSEIKO EPSON CORP·Filed 2005·Granted Jan 1, 2008·0 cites·11 claims
- 3637US2015275013A1Ink set and liquid ejecting headSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
- 3736US2010261112A1Toner, method for forming image, and image forming apparatusSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 3836US2010261111A1Toner, image forming method and image forming apparatusSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 3936US2010261113A1Toner, method for forming image, and image forming apparatusSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4035US2010248131A1Image forming apparatus and image forming methodSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4135US2010248129A1Image forming apparatus and image forming methodSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4235US2010247187A1Image forming apparatus and image forming methodSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4335US2010239326A1Developing device, image forming apparatus and image forming methodSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4435US2010239327A1Developing device, image forming device and image forming methodSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 4533US8087170B2Developing agent carrier manufacturing method, developing agent carrier, developing device and image forming apparatusSAKURAI NOBORU·Filed 2006·Granted Jan 3, 2012·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →