Inventor · disambiguated record
Ryoichi Nozawa
Also filed as: NOZAWA RYOICHI
96 granted patents·9 pending applications·629 citations·filing 2001–2024
99Inventor score
Files withSEIKO EPSON CORP91KUBOTA TAKEHIKO6LUMITEK DISPLAY TECH LIMITED3OZAWA TOKURO2AKIYAMA HIROAKI1
Top patents by PatentIndex Score
105 records- 0197US7649515B2Electronic circuit, method of driving electronic circuit, electro-optical device, and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Jan 19, 2010·32 cites·16 claims
- 0297US7452738B2Method of manufacturing organic electroluminescent device and organic electroluminescent deviceSEIKO EPSON CORP·Filed 2005·Granted Nov 18, 2008·31 cites·14 claims
- 0397US6723576B2Disposing method for semiconductor elementsSEIKO EPSON CORP·Filed 2001·Granted Apr 20, 2004·173 cites·25 claims
- 0496US10403701B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2018·Granted Sep 3, 2019·8 cites·20 claims
- 0596US9142599B2Light emitting device, method of manufacturing light emitting device, and electronic equipmentSEIKO EPSON CORP·Filed 2014·Granted Sep 22, 2015·9 cites·20 claims
- 0695US11557637B2Light emitting device and electronic equipment including a light reflection layer, an insulation layer, and a plurality of pixel electrodesSEIKO EPSON CORP·Filed 2022·Granted Jan 17, 2023·1 cites·12 claims
- 0794US11895871B2Light emitting device and electronic equipment including a light reflection layer, an insulation layer, and a plurality of pixel electrodesSEIKO EPSON CORP·Filed 2022·Granted Feb 6, 2024·1 cites·19 claims
- 0894US11882724B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2022·Granted Jan 23, 2024·1 cites·5 claims
- 0994US9269924B2Electro-optical apparatus, manufacturing method for electro-optical apparatus, and electronic deviceSEIKO EPSON CORP·Filed 2014·Granted Feb 23, 2016·9 cites·6 claims
- 1093US10777130B2Organic electroluminescent device and electronic apparatusSEIKO EPSON CORP·Filed 2015·Granted Sep 15, 2020·5 cites·21 claims
- 1193US7795809B2Electro-optical device and electronic apparatus having partitions for separating a plurality of regionsSEIKO EPSON CORP·Filed 2007·Granted Sep 14, 2010·17 cites·4 claims
- 1293US7501754B2Organic electroluminescent device, method of manufacturing organic electroluminescent device, and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Mar 10, 2009·26 cites·8 claims
- 1392US10134822B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2017·Granted Nov 20, 2018·4 cites·16 claims
- 1492US9634079B2Organic electroluminescent device and electronic apparatusSEIKO EPSON CORP·Filed 2015·Granted Apr 25, 2017·4 cites·20 claims
- 1592US8198636B2Light-emitting device and electronic apparatusKUBOTA TAKEHIKO·Filed 2010·Granted Jun 12, 2012·8 cites·8 claims
- 1692US7956355B2Method of manufacturing organic electroluminescent device and organic electroluminescent deviceSEIKO EPSON CORP·Filed 2010·Granted Jun 7, 2011·8 cites·8 claims
- 1792US2025081731A1Light emitting device and electronic equipment including a light reflection layer, an insulation layer, and a plurality of pixel electrodesSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1891US10608208B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2018·Granted Mar 31, 2020·4 cites·10 claims
- 1990US12178080B2Light emitting device and electronic equipment including a light reflection layer, an insulation layer, and a plurality of pixel electrodesSEIKO EPSON CORP·Filed 2023·Granted Dec 24, 2024·0 cites·8 claims
- 2090US7855387B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2006·Granted Dec 21, 2010·13 cites·14 claims
- 2190US7414361B2Light-emitting device and electronic apparatus having a roughing face formed on partition wallSEIKO EPSON CORP·Filed 2005·Granted Aug 19, 2008·16 cites·12 claims
- 2289US7872264B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2007·Granted Jan 18, 2011·9 cites·10 claims
- 2389US7855779B2Display device and detection methodSEIKO EPSON CORP·Filed 2008·Granted Dec 21, 2010·11 cites·10 claims
- 2488US12406625B2Organic electroluminescent device and electronic apparatusLUMITEK DISPLAY TECH LIMITED·Filed 2024·Granted Sep 2, 2025·0 cites·10 claims
- 2588US12262584B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2023·Granted Mar 25, 2025·0 cites·8 claims
- 2688US11404673B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2021·Granted Aug 2, 2022·1 cites·7 claims
- 2787US11508800B2Organic 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
- 2887US7667284B2Method of manufacturing organic electroluminescent device and organic electroluminescent deviceSEIKO EPSON CORP·Filed 2008·Granted Feb 23, 2010·7 cites·4 claims
- 2987US7460093B2Electronic circuit, driving method thereof, electro-optical device, and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Dec 2, 2008·8 cites·11 claims
- 3087US7282385B2Electro-optical device, method of manufacturing electro-optical device, and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Oct 16, 2007·16 cites·35 claims
- 3186US11374077B2Light emitting device and electronic equipment including a light reflection layer, an insulation layer, and a plurality of pixel electrodesSEIKO EPSON CORP·Filed 2020·Granted Jun 28, 2022·1 cites·10 claims
- 3285US10714555B2Light emitting device and electronic equipment including a light reflection layer, an insulation layer, and a plurality of pixel electrodesSEIKO EPSON CORP·Filed 2018·Granted Jul 14, 2020·1 cites·20 claims
- 3385US8772789B2Light-emitting device and electronic apparatusKUBOTA TAKEHIKO·Filed 2010·Granted Jul 8, 2014·6 cites·9 claims
- 3485US7294856B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2004·Granted Nov 13, 2007·34 cites·8 claims
- 3584US10957876B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2020·Granted Mar 23, 2021·1 cites·9 claims
- 3683US9847383B2Electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2017·Granted Dec 19, 2017·2 cites·18 claims
- 3783US7183580B2Electro-optical device, manufacturing method of the same, and electronic apparatusSEIKO EPSON CORP·Filed 2004·Granted Feb 27, 2007·37 cites·26 claims
- 3883US2025063906A1Organic 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
- 3982US12051368B2Organic electroluminescent device and electronic apparatusLUMITEK DISPLAY TECH LIMITED·Filed 2022·Granted Jul 30, 2024·0 cites·12 claims
- 4082US7323817B2Organic electroluminescent device and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Jan 29, 2008·7 cites·17 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
- 4281US9935164B2Electro-optical device, electronic apparatus, and method of driving electro-optical deviceSEIKO EPSON CORP·Filed 2016·Granted Apr 3, 2018·2 cites·16 claims
- 4379US11394008B2Organic electroluminescence device, method for manufacturing organic electroluminescence device, and electronic apparatusSEIKO EPSON CORP·Filed 2020·Granted Jul 19, 2022·1 cites·6 claims
- 4479US10340321B2Electro-optical device, electronic apparatus, and method of driving electro-optical deviceSEIKO EPSON CORP·Filed 2016·Granted Jul 2, 2019·2 cites·10 claims
- 4579US8704234B2Light-emitting device and electronic apparatus having a power source line that overlaps a capacitor elementKUBOTA TAKEHIKO·Filed 2006·Granted Apr 22, 2014·5 cites·22 claims
- 4679US7592983B2Electro-optical device, method of driving electro-optical device, pixel circuit, and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Sep 22, 2009·4 cites·12 claims
- 4777US10541289B2Electro-optical apparatus, manufacturing method for electro-optical apparatus, and electronic deviceSEIKO EPSON CORP·Filed 2018·Granted Jan 21, 2020·1 cites·20 claims
- 4877US10074708B2Light emitting device and electronic equipment including a light reflection layer, an insulation layer, and a plurality of pixel electrodesSEIKO EPSON CORP·Filed 2016·Granted Sep 11, 2018·1 cites·7 claims
- 4977US9331133B2Light emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2014·Granted May 3, 2016·2 cites·21 claims
- 5076US10044000B2Light-emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2017·Granted Aug 7, 2018·1 cites·21 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →