Inventor · disambiguated record
Hiroaki Toyoshima
Also filed as: TOYOSHIMA HIROAKI
11 granted patents·26 pending applications·14 citations·filing 2012–2022
83Inventor score
Top patents by PatentIndex Score
37 records- 0197US11575087B1Organic electroluminescence device, light emitting device, organic electroluminescence display device and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Granted Feb 7, 2023·7 cites·27 claims
- 0287US11552259B1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Granted Jan 10, 2023·1 cites·27 claims
- 0385US11489128B1Organic electroluminescent element emitting light at high luminous effiency and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Granted Nov 1, 2022·1 cites·32 claims
- 0482US11279876B2Phosphor and light-emitting device using sameDENKA COMPANY LTD·Filed 2019·Granted Mar 22, 2022·2 cites·15 claims
- 0576US11856808B2Organic electroluminescent element and electronic device drivable at low voltage with improved lifetimeIDEMITSU KOSAN CO·Filed 2019·Granted Dec 26, 2023·1 cites·20 claims
- 0671US10833281B2Organic electroluminescence composition, material for organic electroluminescence element, solution of material for organic electroluminescence element, and organic electroluminescence elementIDEMITSU KOSAN CO·Filed 2014·Granted Nov 10, 2020·1 cites·17 claims
- 0770US2025072273A1Organic electroluminescence element, electronic device, composition, and mixture powderIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0868US2022393113A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0967US2022310930A1Organic electroluminescent element emitting light at high luminous efficiency and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1064US10093854B2Phosphor and light emitting deviceDENKA COMPANY LTD·Filed 2014·Granted Oct 9, 2018·1 cites·8 claims
- 1158US2022416178A1Composition, organic electroluminescence device, and electronic apparatusIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1258US2024376072A1Compound, material for an organic electroluminescence device and an organic electroluminescence device comprising the compoundIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1356US2023036664A1Organic electroluminescence device, light emitting device, organic electroluminescence display device and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1456US2024415013A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1556US2022310933A1Organic electroluminescence device comprising an azine compound and a rare earth metal, rare earth metal compound, and/or rare earth metal complex and an electronic equipment comprising said organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1656US2024423010A1Organic electroluminescent element, organic electroluminescent display device, and electronic equipmentIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1755US2025287774A1Organic electroluminescent element, organic electroluminescent display apparatus, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1855US2024251585A1Organic electroluminescent element, organic electroluminescent display apparatus, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1954US2024260300A1Organic electroluminescent element, organic electroluminescent display device, and electronic equipmentIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2054US2024122064A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2154US2025248302A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2254US2023210002A1Composition, and organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2354US2024130223A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 2453US9309460B2Phosphor, method for producing same, and use of sameDENKI KAGAKU KOGYO KK·Filed 2012·Granted Apr 12, 2016·0 cites·11 claims
- 2553US2024147843A1Organic electroluminescent element, organic electroluminescent display apparatus, and digital deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2653US2024130224A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 2752US11952520B2Method for manufacturing phosphor powder, phosphor powder, and light emitting deviceDENKA COMPANY LTD·Filed 2021·Granted Apr 9, 2024·0 cites·10 claims
- 2852US2024107876A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 2952US2023120308A1Compound, material for an organic electroluminescence device and an organic electroluminescence device comprising the compoundIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3051US2023263001A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 3151US2024334814A1Mixed powder, mixture, and method for fabricating organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3250US2023171977A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 3348US12256579B2Phosphor, method of producing phosphor, light-emitting element, light-emitting device, and image display apparatusDENKA COMPANY LTD·Filed 2020·Granted Mar 18, 2025·0 cites·11 claims
- 3448US12006459B2Phosphor powder and light emitting deviceDENKA COMPANY LTD·Filed 2021·Granted Jun 11, 2024·0 cites·5 claims
- 3548US2023240133A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 3646US2024124773A1Phosphor powder, wavelength conversion body, and light emitting deviceDENKA COMPANY LTD·Filed 2022·Application pending·0 cites
- 3732US2021130689A1Phosphor, production method for same, and light-emitting deviceDENKA COMPANY LTD·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →