Inventor · disambiguated record
Tsuyoshi Naijo
Also filed as: NAIJO TSUYOSHI
35 granted patents·35 pending applications·52 citations·filing 2002–2025
95Inventor score
Files withSAMSUNG DISPLAY CO LTD65NAIJO TSUYOSHI1NIPPON STEEL CHEMICAL CO1PARK SOO-JIN1PIONEER TOHOKU CORP1
Top patents by PatentIndex Score
70 records- 0195US11832467B2Light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2021·Granted Nov 28, 2023·6 cites·20 claims
- 0294US9711736B2Condensed cyclic compound and organic light-emitting device comprising the sameSAMSUNG DISPLAY CO LTD·Filed 2014·Granted Jul 18, 2017·12 cites·20 claims
- 0388US9577220B2Organic light emitting diode displaySAMSUNG DISPLAY CO LTD·Filed 2015·Granted Feb 21, 2017·4 cites·20 claims
- 0484US11411187B2Organic light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2018·Granted Aug 9, 2022·2 cites·20 claims
- 0584US9171890B2Organic light emitting diode displaySAMSUNG DISPLAY CO LTD·Filed 2013·Granted Oct 27, 2015·5 cites·18 claims
- 0683US2025063884A1Light emitting element and display panel including the sameSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 0782US12279475B2Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the sameSAMSUNG DISPLAY CO LTD·Filed 2023·Granted Apr 15, 2025·0 cites·16 claims
- 0882US12167618B2Light emitting element and display panel including the sameSAMSUNG DISPLAY CO LTD·Filed 2023·Granted Dec 10, 2024·0 cites·4 claims
- 0982US11626566B2Organic light-emitting device and apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Apr 11, 2023·1 cites·20 claims
- 1081US11557744B2Organic light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2018·Granted Jan 17, 2023·2 cites·19 claims
- 1181US9991446B2Organic light emitting device and display device having the sameSAMSUNG DISPLAY CO LTD·Filed 2015·Granted Jun 5, 2018·4 cites·16 claims
- 1280US2025248282A1Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the sameSAMSUNG DISPLAY CO LTD·Filed 2025·Application pending·0 cites
- 1379US2025120250A1Light-emitting device and an electronic apparatus including sameSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 1478US11758760B2Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the sameSAMSUNG DISPLAY CO LTD·Filed 2022·Granted Sep 12, 2023·0 cites·19 claims
- 1578US2025228127A1Organic light-emitting device and apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2025·Application pending·0 cites
- 1677US12284859B2Organic light-emitting device and apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2023·Granted Apr 22, 2025·0 cites·20 claims
- 1773US12262629B2Organic light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2022·Granted Mar 25, 2025·0 cites·7 claims
- 1873US9099414B2Organic light emitting diode displaySAMSUNG DISPLAY CO LTD·Filed 2013·Granted Aug 4, 2015·2 cites·13 claims
- 1972US12274117B2Light-emitting device and an electronic apparatus including sameSAMSUNG DISPLAY CO LTD·Filed 2021·Granted Apr 8, 2025·0 cites·20 claims
- 2072US9041284B2Display device utilizing a flexible substrate configured to be foldedSAMSUNG DISPLAY CO LTD·Filed 2013·Granted May 26, 2015·2 cites·11 claims
- 2170US11778844B2Light emitting element and display panel including the sameSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Oct 3, 2023·0 cites·11 claims
- 2270US11437604B2Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the sameSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Sep 6, 2022·0 cites·18 claims
- 2370US9231221B2Organic light emitting diode display including bent flexible substrate and method of forming the sameSAMSUNG DISPLAY CO LTD·Filed 2014·Granted Jan 5, 2016·2 cites·15 claims
- 2469US2025160112A1Organic light-emitting device and apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2025·Application pending·0 cites
- 2567US9165978B2Light emitting apparatus and method for fabricating the sameSAMSUNG DISPLAY CO LTD·Filed 2013·Granted Oct 20, 2015·1 cites·19 claims
- 2666US12219789B2Organic light-emitting device and apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2020·Granted Feb 4, 2025·0 cites·20 claims
- 2765US12256630B2Light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2021·Granted Mar 18, 2025·0 cites·20 claims
- 2864US2023225207A1Light-emitting device including condensed cyclic compound, electronic apparatus including the same, and the condensed cyclic compoundSAMSUNG DISPLAY CO LTD·Filed 2023·Application pending·0 cites
- 2963US2025366304A1Light emitting element and display device including the sameSAMSUNG DISPLAY CO LTD·Filed 2025·Application pending·0 cites
- 3062US2025143172A1Light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 3162US2025311626A1Light-emitting device including heterocyclic compound, electronic apparatus including the light-emitting device, and the heterocyclic compoundSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 3261US9755158B2Organic light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2015·Granted Sep 5, 2017·1 cites·20 claims
- 3361US2024324262A1Composition, light-emitting device including the same, and electronic apparatus including the light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 3461US2024324267A1Organic light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 3561US2024357852A1Light emitting element and display device including the sameSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 3660US9793494B2Organic light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2015·Granted Oct 17, 2017·1 cites·19 claims
- 3760US2025287841A1Organic compound, light-emitting device including the same and electronic apparatus including the light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 3860US2024334729A1Light-emitting device and electronic apparatus and electronic equipment including the light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2023·Application pending·0 cites
- 3959US2025120313A1Light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 4059US2025261559A1Light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 4159US2024298457A1Light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2023·Application pending·0 cites
- 4259US2025204246A1Light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 4359US2024215286A1Light emitting device and display device including the sameSAMSUNG DISPLAY CO LTD·Filed 2023·Application pending·0 cites
- 4459US2024237382A1Light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2023·Application pending·0 cites
- 4559US2025275473A1Light-emitting device including heterocyclic compound, electronic apparatus and electronic equipment including the light-emitting device, and the heterocyclic compoundSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 4658US2025287840A1Light-emitting element and display device including the sameSAMSUNG DISPLAY CO LTD·Filed 2025·Application pending·0 cites
- 4758US2024341184A1Light emitting element and display deviceSAMSUNG DISPLAY CO LTD·Filed 2024·Application pending·0 cites
- 4857US7038372B2Organic EL element and method of producing the samePIONEER TOHOKU CORP·Filed 2004·Granted May 2, 2006·7 cites·4 claims
- 4957US2024155861A1Light-emitting device and electronic apparatus including the sameSAMSUNG DISPLAY CO LTD·Filed 2023·Application pending·0 cites
- 5055US12503642B2Light-emitting device including heterocyclic compound and electronic apparatus including the light-emitting deviceSAMSUNG DISPLAY CO LTD·Filed 2022·Granted Dec 23, 2025·0 cites·20 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →