Inventor · disambiguated record
Hitoshi Ota
Also filed as: OTA HITOSHI
107 granted patents·24 pending applications·590 citations·filing 1992–2025
99Inventor score
Files withSEIKO EPSON CORP108OTA HITOSHI6MITSUBISHI ELECTRIC CORP5LUMITEK DISPLAY TECH LIMITED3NIPPON STEEL CORP2
Top patents by PatentIndex Score
131 records- 0196US10403701B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2018·Granted Sep 3, 2019·8 cites·20 claims
- 0296US10332450B2Electro-optical device, electronic apparatus, and method of driving electro-optical deviceSEIKO EPSON CORP·Filed 2018·Granted Jun 25, 2019·6 cites·4 claims
- 0396US6916862B2Process for the preparation of pigment dispersion, pigment dispersion obtained by the same, ink jet recording ink comprising the same, and recording method and recorded material using the sameSEIKO EPSON CORP·Filed 2001·Granted Jul 12, 2005·74 cites·61 claims
- 0495US6094293AOptical switching apparatus for use in an optical communication systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jul 25, 2000·183 cites·17 claims
- 0593US10777130B2Organic electroluminescent device and electronic apparatusSEIKO EPSON CORP·Filed 2015·Granted Sep 15, 2020·5 cites·21 claims
- 0693US10007120B2Display device with different positional relationships between emitting elements and filtersSEIKO EPSON CORP·Filed 2015·Granted Jun 26, 2018·6 cites·10 claims
- 0792US11048086B2Display device with at least two emitting elements and two filters, and different positional relationshipsSEIKO EPSON CORP·Filed 2019·Granted Jun 29, 2021·4 cites·4 claims
- 0892US10247948B2Display device with at least two emitting elements and two filters, and different positional relationshipsSEIKO EPSON CORP·Filed 2018·Granted Apr 2, 2019·4 cites·20 claims
- 0992US10134822B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2017·Granted Nov 20, 2018·4 cites·16 claims
- 1092US9634079B2Organic electroluminescent device and electronic apparatusSEIKO EPSON CORP·Filed 2015·Granted Apr 25, 2017·4 cites·20 claims
- 1192US6723784B2Coating liquid, and image recording method and recording using sameSEIKO EPSON CORP·Filed 2001·Granted Apr 20, 2004·37 cites·43 claims
- 1292US6498222B1Water resistance imparter, ink composition, reactive fluid, and method of ink-jet recording with two fluidsSEIKO EPSON CORP·Filed 2000·Granted Dec 24, 2002·46 cites·49 claims
- 1391US10769996B2Electro-optical device, electronic apparatus, and method of driving electro-optical deviceSEIKO EPSON CORP·Filed 2019·Granted Sep 8, 2020·3 cites·4 claims
- 1490US12474587B2Display device with at least two emitting elements and two filters, and different positional relationshipsSEIKO EPSON CORP·Filed 2024·Granted Nov 18, 2025·0 cites·6 claims
- 1590US10152919B2Electro-optical device, electronic apparatus, and method of driving electro-optical deviceSEIKO EPSON CORP·Filed 2015·Granted Dec 11, 2018·4 cites·9 claims
- 1690US8089476B2Liquid crystal deviceISHIGURO HIDETO·Filed 2008·Granted Jan 3, 2012·25 cites·20 claims
- 1790US7686417B2Maintenance liquid for ink jet recordingSEIKO EPSON CORP·Filed 2006·Granted Mar 30, 2010·11 cites·20 claims
- 1889US11929036B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2023·Granted Mar 12, 2024·1 cites·9 claims
- 1989US11800762B2Electro-optical device and electronic apparatus with first and second DA conversion circuits having upper and lower capacitance elementsSEIKO EPSON CORP·Filed 2022·Granted Oct 24, 2023·1 cites·8 claims
- 2089US11776487B2DA conversion circuit, electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2022·Granted Oct 3, 2023·1 cites·17 claims
- 2188US12406625B2Organic electroluminescent device and electronic apparatusLUMITEK DISPLAY TECH LIMITED·Filed 2024·Granted Sep 2, 2025·0 cites·10 claims
- 2288US12062341B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2021·Granted Aug 13, 2024·1 cites·15 claims
- 2388US11776486B2DA conversion circuit, electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2022·Granted Oct 3, 2023·1 cites·13 claims
- 2488US11658676B2DA conversion circuit, electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2022·Granted May 23, 2023·1 cites·8 claims
- 2588US11132950B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2019·Granted Sep 28, 2021·4 cites·14 claims
- 2687US11508800B2Organic electroluminescent device including arrangement of capacitive electrode between layer of other capacitive electrode and layer of gate electrodeSEIKO EPSON CORP·Filed 2021·Granted Nov 22, 2022·1 cites·16 claims
- 2786US10665161B2Pixel circuit, electro-optical device, and electronic apparatusSEIKO EPSON CORP·Filed 2018·Granted May 26, 2020·3 cites·17 claims
- 2886US10367035B2Electrooptical device, electronic apparatus, and head mount displaySEIKO EPSON CORP·Filed 2018·Granted Jul 30, 2019·3 cites·20 claims
- 2986US9208708B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2013·Granted Dec 8, 2015·4 cites·13 claims
- 3085US12072499B2Display device with at least two emitting elements and two filters, and different positional relationshipsSEIKO EPSON CORP·Filed 2023·Granted Aug 27, 2024·0 cites·3 claims
- 3184US7828409B2Inkjet printer and inkjet printing methodSEIKO EPSON CORP·Filed 2008·Granted Nov 9, 2010·4 cites·7 claims
- 3283US11335259B2Electro-optical device, electronic apparatus, and method of driving electro-optical deviceSEIKO EPSON CORP·Filed 2020·Granted May 17, 2022·1 cites·8 claims
- 3383US9847383B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2017·Granted Dec 19, 2017·2 cites·18 claims
- 3483US8553023B2Electro-optical device and electronic apparatusYOSHIZAKI KEI·Filed 2010·Granted Oct 8, 2013·6 cites·12 claims
- 3583US2025063906A1Organic electroluminescent device including arrangement of capacitive electrode between layer of other capacitive electrode and layer of gate electrodeLUMITEK DISPLAY TECH LIMITED·Filed 2024·Application pending·0 cites
- 3683US2024355298A1Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 3782US12051368B2Organic electroluminescent device and electronic apparatusLUMITEK DISPLAY TECH LIMITED·Filed 2022·Granted Jul 30, 2024·0 cites·12 claims
- 3882US9679521B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2016·Granted Jun 13, 2017·2 cites·14 claims
- 3982US9495914B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2015·Granted Nov 15, 2016·2 cites·12 claims
- 4082US6599356B2Method for manufacturing pigment dispersed liquid, and pigment dispersed liquid, and ink for ink-jet printer recording using said pigment dispersed liquidSEIKO EPSON CORP·Filed 2001·Granted Jul 29, 2003·14 cites·26 claims
- 4182US2023044938A1Organic electroluminescent device including arrangement of capacitive electrode between layer of other capacitive electrode and layer of gate electrodeSEIKO EPSON CORP·Filed 2022·Application pending·0 cites
- 4281US11681147B2Display device with at least two emitting elements and two filters, and different positional relationshipsSEIKO EPSON CORP·Filed 2022·Granted Jun 20, 2023·0 cites·10 claims
- 4381US9978822B2Electro-optic device and electronic apparatusSEIKO EPSON CORP·Filed 2017·Granted May 22, 2018·3 cites·8 claims
- 4481US9935164B2Electro-optical device, electronic apparatus, and method of driving electro-optical deviceSEIKO EPSON CORP·Filed 2016·Granted Apr 3, 2018·2 cites·16 claims
- 4579US11107406B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2019·Granted Aug 31, 2021·2 cites·12 claims
- 4679US10340321B2Electro-optical device, electronic apparatus, and method of driving electro-optical deviceSEIKO EPSON CORP·Filed 2016·Granted Jul 2, 2019·2 cites·10 claims
- 4778US10483330B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2018·Granted Nov 19, 2019·2 cites·16 claims
- 4878US9666133B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2015·Granted May 30, 2017·2 cites·19 claims
- 4978US8497856B2Light emitting device, method of driving light emitting device, and electronic apparatusOTA HITOSHI·Filed 2011·Granted Jul 30, 2013·3 cites·15 claims
- 5078US8436791B2Light-emitting device and mobility compensating method for driving the same, and electronic deviceOTA HITOSHI·Filed 2010·Granted May 7, 2013·3 cites·9 claims
Showing the top 50 of 131 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →