Inventor · disambiguated record
Yuichiro Kawamura
Also filed as: KAWAMURA YUICHIRO
52 granted patents·35 pending applications·345 citations·filing 2004–2025
98Inventor score
Top patents by PatentIndex Score
87 records- 0198US8221907B2Chrysene derivative and organic electroluminescent device using the sameKAWAMURA MASAHIRO·Filed 2008·Granted Jul 17, 2012·42 cites·13 claims
- 0297US9153790B2Organic electroluminescent deviceKUMA HITOSHI·Filed 2010·Granted Oct 6, 2015·43 cites·14 claims
- 0397US8476823B2Organic electroluminescent deviceKUMA HITOSHI·Filed 2010·Granted Jul 2, 2013·46 cites·17 claims
- 0496US11482675B1Organic electroluminescence device and electronic apparatusIDEMITSU KOSAN CO·Filed 2021·Granted Oct 25, 2022·7 cites·25 claims
- 0596US8461574B2Organic electroluminescence deviceNISHIMURA KAZUKI·Filed 2010·Granted Jun 11, 2013·16 cites·11 claims
- 0696US8372527B2Material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2008·Granted Feb 12, 2013·22 cites·3 claims
- 0794US9947876B2Organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2015·Granted Apr 17, 2018·11 cites·27 claims
- 0894US9169274B2Pyrene derivative and organic electroluminescent element using the sameMIZUKI YUMIKO·Filed 2010·Granted Oct 27, 2015·9 cites·10 claims
- 0993US9812661B2Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 2013·Granted Nov 7, 2017·12 cites·23 claims
- 1093US9324950B2Organic electroluminescence deviceKAWAMURA YUICHIRO·Filed 2011·Granted Apr 26, 2016·14 cites·18 claims
- 1193US8748015B2Indenofluorenedione derivative, material for organic electroluminescent element, and organic electroluminescent elementIDEMITSU KOSAN CO·Filed 2013·Granted Jun 10, 2014·7 cites·27 claims
- 1293US8723171B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2013·Granted May 13, 2014·11 cites·12 claims
- 1391US8803420B2Organic electroluminescence deviceKAWAMURA YUICHIRO·Filed 2011·Granted Aug 12, 2014·16 cites·16 claims
- 1490US10547009B2Organic electroluminescent element, electronic device and compoundIDEMITSU KOSAN CO·Filed 2016·Granted Jan 28, 2020·5 cites·19 claims
- 1590US9266851B2Fluorene-containing aromatic compound, material for organic electroluminescent element, and organic electroluminescent element using sameYOSHIDA KEI·Filed 2010·Granted Feb 23, 2016·10 cites·28 claims
- 1687US9353027B2Organic electroluminescent element using pyrene derivativeKAWAMURA MASAHIRO·Filed 2010·Granted May 31, 2016·10 cites·11 claims
- 1786US12492162B2Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2024·Granted Dec 9, 2025·0 cites·19 claims
- 1886US9997717B2Organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2015·Granted Jun 12, 2018·5 cites·37 claims
- 1985US8088901B2Azaindenofluorenedione derivative, material for organic electroluminescence device and organic electroluminescence deviceMORISHITA HIRONOBU·Filed 2008·Granted Jan 3, 2012·12 cites·12 claims
- 2085US2025351666A1Organic el display device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2025·Application pending·0 cites
- 2184US8883323B2Organic electroluminescence deviceKAWAMURA YUICHIRO·Filed 2011·Granted Nov 11, 2014·16 cites·14 claims
- 2281US9484540B2Oxygen-containing fused ring derivative and organic electroluminescence device comprising the sameITO HIROKATSU·Filed 2011·Granted Nov 1, 2016·5 cites·14 claims
- 2380US11271164B2Compound, composition, organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2017·Granted Mar 8, 2022·2 cites·34 claims
- 2480US9273002B2Benzo[k]fluoranthene derivative and organic electroluminescence device containing the sameITO HIROKATSU·Filed 2011·Granted Mar 1, 2016·3 cites·19 claims
- 2579US2025261557A1Organic electroluminescence device and electronic applianceIDEMITSU KOSAN CO·Filed 2025·Application pending·0 cites
- 2678US11043638B2Organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2015·Granted Jun 22, 2021·2 cites·22 claims
- 2777US9126943B2Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising sameKAWAMURA MASAHIRO·Filed 2011·Granted Sep 8, 2015·2 cites·23 claims
- 2877US8022617B2Organic compound, charge-transporting material, composition for charge-transporting material and organic electroluminescent deviceMITSUBISHI CHEM CORP·Filed 2006·Granted Sep 20, 2011·7 cites·19 claims
- 2976US12022728B2Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Granted Jun 25, 2024·0 cites·15 claims
- 3075US9365767B2Organic electric field light emitting element and production thereforYABE MASAYOSHI·Filed 2006·Granted Jun 14, 2016·4 cites·14 claims
- 3172US11201297B2Organic electroluminescence device and electronic deviceIDEMITSU KOSAN CO·Filed 2019·Granted Dec 14, 2021·1 cites·36 claims
- 3272US2022285625A1Organic electroluminescence device and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3371US9512137B2Organic electroluminescence deviceITO HIROKATSU·Filed 2011·Granted Dec 6, 2016·1 cites·17 claims
- 3471US2023014964A1Organic electroluminescent element, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3570US11322711B2Organic EL light emitting apparatus and electronic instrumentIDEMITSU KOSAN CO·Filed 2020·Granted May 3, 2022·0 cites·31 claims
- 3669US9174938B2Organic electroluminescence deviceJINDE YUKITOSHI·Filed 2008·Granted Nov 3, 2015·4 cites·10 claims
- 3768US2023047477A1Organic electroluminescence device and electronic apparatusIDEMITSU KOSAN CO·Filed 2019·Application pending·0 cites
- 3866US12317740B2Organic electroluminescence device and electronic apparatusIDEMITSU KOSAN CO·Filed 2019·Granted May 27, 2025·0 cites·18 claims
- 3966US11600780B1Organic electroluminescence device and electronic apparatusIDEMITSU KOSAN CO·Filed 2021·Granted Mar 7, 2023·0 cites·24 claims
- 4065US12396318B2Organic EL display device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2020·Granted Aug 19, 2025·0 cites·24 claims
- 4165US10351765B2Organic electroluminescence element and electronic deviceIDEMITSU KOSAN CO·Filed 2018·Granted Jul 16, 2019·0 cites·29 claims
- 4265US2024057478A1Organic electroluminescence element and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 4364US11552251B2Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2017·Granted Jan 10, 2023·0 cites·10 claims
- 4464US2021028365A1Organic electroluminescence device and electronic applianceIDEMITSU KOSAN CO·Filed 2019·Application pending·0 cites
- 4563US12029119B2Organic electroluminescence element and electronic deviceIDEMITSU KOSAN CO·Filed 2018·Granted Jul 2, 2024·0 cites·17 claims
- 4663US10964891B2Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light- emitting mediumIDEMITSU KOSAN CO·Filed 2018·Granted Mar 30, 2021·0 cites·8 claims
- 4760US11456425B2Organic electroluminescent element, and electronic apparatusIDEMITSU KOSAN CO·Filed 2016·Granted Sep 27, 2022·0 cites·20 claims
- 4860US10854838B2Organic EL light emitting apparatus and electronic instrumentIDEMITSU KOSAN CO·Filed 2016·Granted Dec 1, 2020·0 cites·4 claims
- 4960US10125310B2Organic electroluminescence element and electronic deviceIDEMITSU KOSAN CO·Filed 2016·Granted Nov 13, 2018·0 cites·21 claims
- 5060US2011284827A1Indenofluorenedione derivative, material for organic electroluminescent element, and organic electroluminescent elementMORISHITA HIRONOBU·Filed 2009·Application pending·0 cites
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →