Inventor · disambiguated record
Nobutaka Akashi
Also filed as: AKASHI NOBUTAKA
29 granted patents·8 pending applications·44 citations·filing 2003–2024
94Inventor score
Top patents by PatentIndex Score
37 records- 0195US9590186B2Material for organic electroluminescent device and organic electroluminescent device including the sameSAMSUNG DISPLAY CO LTD·Filed 2015·Granted Mar 7, 2017·15 cites·5 claims
- 0289US10333085B2Polycyclic compound and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Granted Jun 25, 2019·5 cites·23 claims
- 0388US10689568B2Organic electroluminescent deviceSAMSUNG DISPLAY CO LTD·Filed 2019·Granted Jun 23, 2020·2 cites·18 claims
- 0486US10184078B2Organic electroluminescent deviceSAMSUNG DISPLAY CO LTD·Filed 2018·Granted Jan 22, 2019·2 cites·6 claims
- 0583US11050025B2Material for organic electroluminescent device and organic electroluminescent device including the sameSAMSUNG DISPLAY CO LTD·Filed 2016·Granted Jun 29, 2021·2 cites·18 claims
- 0675US10886476B2Polycyclic compound and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2018·Granted Jan 5, 2021·1 cites·21 claims
- 0774US9902901B2Organic electroluminescent deviceSAMSUNG DISPLAY CO LTD·Filed 2015·Granted Feb 27, 2018·1 cites·13 claims
- 0870US10385262B2Organic electroluminescent deviceSAMSUNG DISPLAY CO LTD·Filed 2018·Granted Aug 20, 2019·0 cites·10 claims
- 0970US8043725B2Organic electroluminescence elementBANDO CHEMICAL IND·Filed 2007·Granted Oct 25, 2011·3 cites·3 claims
- 1062US2024343743A1Light emitting element, polycyclic compound for the same, and display device including the light emitting elementSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 1157US12421256B2Organic electroluminescence device and polycyclic compound for organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2021·Granted Sep 23, 2025·0 cites·20 claims
- 1257US2024138263A1Light emitting element and polycyclic compound for the sameSAMSUNG DISPLAY CO LTD·Filed 2023·Application pending·0 cites
- 1355US12069946B2Organic electroluminescence device and polycyclic compound for organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2021·Granted Aug 20, 2024·0 cites·20 claims
- 1451US9269913B2Thiolate-bridged multinuclear copper(I) complexSAMSUNG DISPLAY CO LTD·Filed 2014·Granted Feb 23, 2016·0 cites·4 claims
- 1551US2011186834A1Novel 1,3,5-tris(diarylamino)benzene and use thereofBANDO CHEMICAL IND·Filed 2009·Application pending·0 cites
- 1650US11844272B2Organic electroluminescence device and polycyclic compound for organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Dec 12, 2023·0 cites·22 claims
- 1750US11527726B2Organic electroluminescence device and compound for organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Dec 13, 2022·0 cites·20 claims
- 1850US7629059B2Organo-electronic functional material and use thereofBANDO CHEMICAL IND·Filed 2004·Granted Dec 8, 2009·9 cites·6 claims
- 1949US11889752B2Organic electroluminescence device and polycyclic compound for organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Jan 30, 2024·0 cites·20 claims
- 2049US7271291B21,3,5-tris (arylamino) benzenesBANDO CHEMICAL IND·Filed 2004·Granted Sep 18, 2007·2 cites·3 claims
- 2148US11018306B2Compound for thermally activated delayed fluorescence and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2018·Granted May 25, 2021·0 cites·18 claims
- 2248US2014239229A1Organic electroluminescence material and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2014·Application pending·0 cites
- 2347US11502259B2Organic electroluminescence device and polycyclic compound for organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Nov 15, 2022·0 cites·20 claims
- 2446US10714693B2Polycyclic compound and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Granted Jul 14, 2020·0 cites·20 claims
- 2545US9214638B2Material for organic electroluminescent device and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2015·Granted Dec 15, 2015·0 cites·12 claims
- 2643US11393985B2Organic electroluminescence device and polycyclic compound for organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2019·Granted Jul 19, 2022·0 cites·9 claims
- 2743US10686139B2Nitrogen-containing compound and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2016·Granted Jun 16, 2020·0 cites·18 claims
- 2843US8029920B21,3,5-tris(diarylamino)benzenes and use thereofBANDO CHEMICAL IND·Filed 2007·Granted Oct 4, 2011·0 cites·8 claims
- 2942US10862050B2Heterocyclic compound and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2018·Granted Dec 8, 2020·0 cites·20 claims
- 3042US10147886B2Organic electroluminescent material and organic electroluminescent device including the sameSAMSUNG DISPLAY CO LTD·Filed 2015·Granted Dec 4, 2018·0 cites·3 claims
- 3142US2009066222A1Organic electronic functional material and use thereofBANDO CHEMICAL IND·Filed 2005·Application pending·0 cites
- 3242US2019312210A1Organic electroluminescence device and polycyclic compound for organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2019·Application pending·0 cites
- 3340US7196224B21,3,5-tris(arylamino)benzenesBANDO CHEMICAL IND·Filed 2003·Granted Mar 27, 2007·2 cites·4 claims
- 3440US2018287090A1Phosphorus-containing compound and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Application pending·0 cites
- 3539US11174427B2Aromatic compound and organic electroluminescence device including the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Granted Nov 16, 2021·0 cites·9 claims
- 3636US12289991B2Organic electroluminescence deviceSAMSUNG DISPLAY CO LTD·Filed 2018·Granted Apr 29, 2025·0 cites·8 claims
- 3736US2016190487A1Material for organic electroluminescent device and organic electroluminescent device including the sameSAMSUNG DISPLAY CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →