Inventor · disambiguated record
Tasuku Haketa
Also filed as: HAKETA TASUKU
43 granted patents·52 pending applications·144 citations·filing 2014–2025
95Inventor score
Files withIDEMITSU KOSAN CO95
Top patents by PatentIndex Score
95 records- 0198US10435350B2Organic electroluminecence deviceIDEMITSU KOSAN CO·Filed 2018·Granted Oct 8, 2019·128 cites·57 claims
- 0291US11069861B2Mixture, organic electroluminescence device and electronic equipmentIDEMITSU KOSAN CO·Filed 2020·Granted Jul 20, 2021·2 cites·23 claims
- 0390US11548877B2Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2020·Granted Jan 10, 2023·2 cites·17 claims
- 0485US11489128B1Organic electroluminescent element emitting light at high luminous effiency and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Granted Nov 1, 2022·1 cites·32 claims
- 0584US9902687B2CompoundIDEMITSU KOSAN CO·Filed 2015·Granted Feb 27, 2018·2 cites·25 claims
- 0684US2025374825A1Compound, organic electroluminescent element material, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2025·Application pending·0 cites
- 0781US10424740B2Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2018·Granted Sep 24, 2019·2 cites·27 claims
- 0880US2024300912A1Compound having naphthobenezofuranyl sturcture, material for organic electroluminescence device, organic electroluminescent device, and electronic instrumentIDEMITSU KOSAN CO·Filed 2024·Application pending·0 cites
- 0979US9963429B2Carbazole derivative, material for organic electroluminescent element which comprises same, and organic electroluminescent element and electronic device each manufactured using sameIDEMITSU KOSAN CO·Filed 2014·Granted May 8, 2018·2 cites·24 claims
- 1078US12012389B2Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2023·Granted Jun 18, 2024·0 cites·36 claims
- 1177US2023200222A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 1275US12338234B2Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Granted Jun 24, 2025·0 cites·21 claims
- 1375US11795155B2Compound having naphthobenzofuranyl structure, material for organic electroluminescence device, organic electroluminescence device, and electronic instrumentIDEMITSU KOSAN CO·Filed 2022·Granted Oct 24, 2023·0 cites·28 claims
- 1475US11744149B2Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Granted Aug 29, 2023·0 cites·29 claims
- 1572US2024407255A1Compound, organic electroluminescent element material, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1671US11730054B2Compound having dibenzofuran and naphthalene structures, and organic electroluminescent element using sameIDEMITSU KOSAN CO·Filed 2022·Granted Aug 15, 2023·0 cites·17 claims
- 1771US10170707B2Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic deviceIDEMITSU KOSAN CO·Filed 2018·Granted Jan 1, 2019·1 cites·28 claims
- 1871US9991445B2Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the sameIDEMITSU KOSAN CO·Filed 2014·Granted Jun 5, 2018·2 cites·19 claims
- 1971US2023159479A1Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 2070US10217954B2Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2014·Granted Feb 26, 2019·2 cites·51 claims
- 2169US11678569B2Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Granted Jun 13, 2023·0 cites·31 claims
- 2267US2022310930A1Organic electroluminescent element emitting light at high luminous efficiency and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2366US11393986B2Mixture, organic electroluminescence device and electronic equipmentIDEMITSU KOSAN CO·Filed 2021·Granted Jul 19, 2022·0 cites·24 claims
- 2463US12048242B2Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2020·Granted Jul 23, 2024·0 cites·27 claims
- 2563US11618740B2Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2020·Granted Apr 4, 2023·0 cites·15 claims
- 2663US10118889B2CompoundIDEMITSU KOSAN CO·Filed 2017·Granted Nov 6, 2018·0 cites·44 claims
- 2762US12464943B2Compound and organic electroluminescent element using sameIDEMITSU KOSAN CO·Filed 2019·Granted Nov 4, 2025·0 cites·13 claims
- 2857US2025136569A1Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2956US2017229661A1Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic deviceIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 3056US2024381761A1Compound, organic electroluminescent element material, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3156US2024415013A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3256US2024423010A1Organic electroluminescent element, organic electroluminescent display device, and electronic equipmentIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3356US2023008737A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 3455US2022324804A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3555US2025287774A1Organic electroluminescent element, organic electroluminescent display apparatus, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3655US2024140904A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3754US2024260300A1Organic electroluminescent element, organic electroluminescent display device, and electronic equipmentIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3854US2023006136A1Compound, organic electroluminescent element material, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2020·Application pending·0 cites
- 3953US12369490B2Organic electroluminescent element, organic electroluminescent display device, and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Granted Jul 22, 2025·0 cites·34 claims
- 4053US11053437B2Compound, material for organic electroluminescent devices, organic electroluminescent device and electronic deviceIDEMITSU KOSAN CO·Filed 2020·Granted Jul 6, 2021·0 cites·30 claims
- 4153US9887367B2Heterocyclic compound, material for organic electroluminescent elements using same, organic electroluminescent element using same, and electronic deviceIDEMITSU KOSAN CO·Filed 2014·Granted Feb 6, 2018·0 cites·22 claims
- 4253US2018370981A1Hetero-condensed phenylquinazolines and their use in electronic devicesIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 4353US2024147843A1Organic electroluminescent element, organic electroluminescent display apparatus, and digital deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4453US2024349528A1Organic electroluminescent element, organic electroluminescent display device, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4553US2024130224A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 4652US2023026162A1Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2020·Application pending·0 cites
- 4752US2023301176A1Compound, material for organic electroluminescence elements, organic electroluminescence element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 4852US2023262999A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 4952US2023180597A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 5052US2023389347A1Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
Showing the top 50 of 95 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →