Inventor · disambiguated record
Joo-Dong Lee
Also filed as: LEE JOO-DONG
26 granted patents·7 pending applications·41 citations·filing 2002–2018
93Inventor score
Top patents by PatentIndex Score
33 records- 0189US10446765B2Heterocyclic compound and organic light emitting element using sameHEESUNG MAT LTD·Filed 2015·Granted Oct 15, 2019·5 cites·14 claims
- 0288US10177319B2Nitrogen-containing polycyclic compound and organic light emitting element using sameHEESUNG MAT LTD·Filed 2015·Granted Jan 8, 2019·5 cites·15 claims
- 0388US9728731B2Heterocyclic compound and organic light emitting device using sameHEESUNG MAT LTD·Filed 2014·Granted Aug 8, 2017·9 cites·12 claims
- 0486US10026908B2Hetero-cyclic compound and organic light emitting device using the sameHEESUNG MAT LTD·Filed 2017·Granted Jul 17, 2018·4 cites·10 claims
- 0582US11515484B2Heterocyclic compound and organic light emitting element comprising sameLT MATERIALS CO LTD·Filed 2018·Granted Nov 29, 2022·3 cites·17 claims
- 0682US10381577B2Hetero-cyclic compound and organic light emitting device using the sameHEESUNG MAT LTD·Filed 2016·Granted Aug 13, 2019·3 cites·17 claims
- 0771US11434228B2Heterocyclic compound and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2018·Granted Sep 6, 2022·1 cites·14 claims
- 0871US7173062B2Method for the improvement of skin wrinkles using retinyl retinoateENPRANI CO LTD·Filed 2002·Granted Feb 6, 2007·9 cites·1 claims
- 0970US10644244B2Heterocyclic compound and organic light emitting device using sameLT MATERIALS CO LTD·Filed 2015·Granted May 5, 2020·1 cites·11 claims
- 1066US10344030B2Heterocyclic compound and organic light emitting device using sameHEESUNG MAT LTD·Filed 2015·Granted Jul 9, 2019·1 cites·14 claims
- 1159US11891361B2Heterocyclic compound and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2018·Granted Feb 6, 2024·0 cites·9 claims
- 1255US11665961B2Heterocyclic compound and organic light emitting device using sameLT MATERIALS CO LTD·Filed 2018·Granted May 30, 2023·0 cites·13 claims
- 1352US10672993B2Nitrogen-containing polycyclic compound and organic light emitting element using sameLT MATERIALS CO LTD·Filed 2018·Granted Jun 2, 2020·0 cites·16 claims
- 1451US11552255B2Heterocyclic compound and organic light-emitting element using sameLT MATERIALS CO LTD·Filed 2017·Granted Jan 10, 2023·0 cites·12 claims
- 1551US11141781B2Roller assembly, casting apparatus, and roller separating method for samePOSCO·Filed 2018·Granted Oct 12, 2021·0 cites·2 claims
- 1650US2007009455A1Whitening and antionxidative cosmetic composition containing resveratrol and method for preparing the sameKIM HYO-JUNG·Filed 2004·Application pending·0 cites
- 1745US9899600B2Multicyclic aromatic compound and organic light emitting device using the sameHEESUNG MAT LTD·Filed 2013·Granted Feb 20, 2018·0 cites·16 claims
- 1845US9333594B2Lead-free solder composition for glassHYUNDAI MOTOR CO LTD·Filed 2012·Granted May 10, 2016·0 cites·7 claims
- 1943US11563185B2Heterocyclic compound and organic light-emitting device comprising sameLT MATERIALS CO LTD·Filed 2018·Granted Jan 24, 2023·0 cites·15 claims
- 2041US11248008B2Heterocyclic compound and organic light emitting element using sameLT MATERIALS CO LTD·Filed 2017·Granted Feb 15, 2022·0 cites·9 claims
- 2141US2016023269A1Casting equipment and casting method using samePOSCO·Filed 2014·Application pending·0 cites
- 2241US2014197393A1Hydrocarbon-based fused ring compound and organic light emitting device using the sameHEESUNG MAT LTD·Filed 2013·Application pending·0 cites
- 2340US11133477B2Heterocyclic compound and organic light emitting element using sameLT MATERIALS CO LTD·Filed 2017·Granted Sep 28, 2021·0 cites·11 claims
- 2439US2019393430A1Organic light emitting element and composition for organic material layer of organic light emitting elementHEESUNG MAT LTD·Filed 2017·Application pending·0 cites
- 2539US2020339513A1Heterocyclic compound and organic light emitting element comprising sameLT MATERIALS CO LTD·Filed 2018·Application pending·0 cites
- 2638US11427562B2Heterocyclic compound, and organic light-emitting device using sameLT MATERIALS CO LTD·Filed 2017·Granted Aug 30, 2022·0 cites·8 claims
- 2738US10454043B2Heterocyclic compound and organic light-emitting element using sameHEESUNG MAT LTD·Filed 2015·Granted Oct 22, 2019·0 cites·6 claims
- 2838US7406850B2Hot rolled strip cooling device with coolant headerPOSCO·Filed 2006·Granted Aug 5, 2008·0 cites·24 claims
- 2937US11239427B2Heterocyclic compound and organic light emitting device using sameLT MATERIALS CO LTD·Filed 2017·Granted Feb 1, 2022·0 cites·8 claims
- 3037US2019054575A1Lead-free solder compositionHYUNDAI MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 3135US10930857B2Heterocyclic compound and organic light emitting device using sameLT MATERIALS CO LTD·Filed 2016·Granted Feb 23, 2021·0 cites·6 claims
- 3235US10913109B2Vertical semi-continuous casting equipment and vertical semi-continuous casting methodPOSCO·Filed 2015·Granted Feb 9, 2021·0 cites·11 claims
- 3331US2016204357A1Polycyclic compound and organic light emitting device using the sameHEESUNG MAT LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →