HEESUNG MATERIAL LTD.

Patent Applications and Registrations

Patent applications and USPTO patent grants for HEESUNG MATERIAL LTD..The latest application filed is for "heterocyclic compound and organic light emitting device comprising same".

Company Profile

34.18.62

HEESUNG MATERIAL LTD. - Yongin-City, Gyeonggi-do KR
HEESUNG MATERIAL LTD. - Yongin-si, Gyeonggi-do KR
HEESUNG MATERIAL LTD. - Yongin, Gyeonggi-do N/A KR
HEESUNG MATERIAL LTD. - Yongin KR
HEESUNG MATERIAL LTD. - Yongin-si KR
HEESUNG MATERIAL LTD. - Yongin-City KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Heterocyclic Compound And Organic Light Emitting Device Comprising Same App 20200308150 - LEE; Gi-Back ; et al.	2020-10-01
Heterocyclic Compound And Organic Light Emitting Element Comprising Same App 20200266355 - PARK; Geon-Yu ; et al.	2020-08-20
Heterocyclic Compound And Organic Light Emitting Device Using Same App 20200243775 - LA; Hyun-Ju ; et al.	2020-07-30
Heterocyclic Compound And Organic Light Emitting Device Comprising Same App 20200131133 - LA; Hyun-Ju ; et al.	2020-04-30
Heterocyclic Compound And Organic Light Emitting Element Comprising Same App 20200123133 - NO; Young Seok ; et al.	2020-04-23
Organic Light Emitting Element And Composition For Organic Material Layer In Organic Light Emitting Element App 20200119285 - NO; Young Seok ; et al.	2020-04-16
Organic Light Emitting Element And Composition For Organic Material Layer In Organic Light Emitting Element App 20200111969 - NO; Young Seok ; et al.	2020-04-09
Organic Light-emitting Device App 20200066996 - LA; Hyun Ju ; et al.	2020-02-27
Organic Light Emitting Element And Composition For Organic Material Layer Of Organic Light Emitting Element App 20190393430 - PARK; Geon Yu ; et al.	2019-12-26
Heterocyclic compound and organic light-emitting element using same Grant 10,454,043 - Kim , et al. Oc	2019-10-22
Heterocyclic Compound And Organic Light Emitting Device Using Same App 20190319195 - LEE; Gi-Back ; et al.	2019-10-17
Heterocyclic compound and organic light emitting element using same Grant 10,446,765 - Lee , et al. Oc	2019-10-15
Heterocyclic Compound And Organic Light Emitting Element Using Same App 20190312211 - LEE; Yun-Ji ; et al.	2019-10-10
Heterocyclic Compound And Organic Light-emitting Element Using Same App 20190288218 - LA; Hyun-Ju ; et al.	2019-09-19
Heterocyclic Compound And Organic Light Emitting Element Using Same App 20190263834 - JEONG; Won-Jang ; et al.	2019-08-29
Hetero-cyclic compound and organic light emitting device using the same Grant 10,381,577 - Park , et al. A	2019-08-13
Heterocyclic Compound, And Organic Light-emitting Device Using Same App 20190233398 - OH; Han-Kook ; et al.	2019-08-01
Heterocyclic compound and organic light emitting device using same Grant 10,344,030 - Lee , et al. July 9, 2	2019-07-09
Lead-free Solder Composition App 20190054575 - KIM; Jeejung ; et al.	2019-02-21
Nitrogen-containing polycyclic compound and organic light emitting element using same Grant 10,177,319 - No , et al. J	2019-01-08
Heterocyclic Compound And Organic Light Emitting Device Using Same App 20180366652 - MO; Jun-Tae ; et al.	2018-12-20
Nitrogen-containing Polycyclic Compound And Organic Light Emitting Element Using Same App 20180323380 - NO; Young-Seok ; et al.	2018-11-08
Heterocyclic Compound And Organic Light Emitting Element Using Same App 20180323379 - KIM; Mi-Jin ; et al.	2018-11-08
Heterocyclic Compound And Organic Light Emitting Element Using Same App 20180287072 - PARK; Geon-yu ; et al.	2018-10-04
Hetero-cyclic compound and organic light emitting device using the same Grant 10,026,908 - Park , et al. July 17, 2	2018-07-17
Multicyclic aromatic compound and organic light emitting device using the same Grant 9,899,600 - Lee , et al. February 20, 2	2018-02-20
Hetero-cyclic Compound And Organic Light Emitting Device Using The Same App 20170331052 - PARK; Geon-Yu ; et al.	2017-11-16
Heterocyclic Compound And Organic Light-emitting Element Using Same App 20170324046 - KIM; Mi-Jin ; et al.	2017-11-09
Nitrogen-containing Polycyclic Compound And Organic Light Emitting Element Using Same App 20170317295 - NO; Young-Seok ; et al.	2017-11-02
Heterocyclic compound and organic light emitting device using same Grant 9,728,731 - La , et al. August 8, 2	2017-08-08
Hetero-cyclic Compound And Organic Light Emitting Device Using The Same App 20170213988 - PARK; Geon-Yu ; et al.	2017-07-27
Heterocyclic Compound And Organic Light Emitting Device Using Same App 20170141325 - LEE; Jung-Hyun ; et al.	2017-05-18
Heterocyclic Compound And Organic Light Emitting Element Using Same App 20170133602 - LEE; Jung-Hyun ; et al.	2017-05-11
Heterocyclic Compound And Organic Light Emitting Device Using Same App 20170107217 - LEE; Jung-Hyun ; et al.	2017-04-20
Heterocyclic Compound And Organic Light Emitting Device Using Same App 20160380208 - LA; Hyun-Ju ; et al.	2016-12-29
Polycyclic Compound And Organic Light Emitting Device Using The Same App 20160204357 - JANG; So-Hyun ; et al.	2016-07-14
Lead-free solder composition for glass Grant 9,333,594 - Jeong , et al. May 10, 2	2016-05-10
Heat Exchanger for Refrigeration Cycle App 20140311181 - Matsumoto; Terumasa ; et al.	2014-10-23
Hydrocarbon-based Fused Ring Compound And Organic Light Emitting Device Using The Same App 20140197393 - LEE; Jun-A ; et al.	2014-07-17
Multicyclic Aromatic Compound And Organic Light Emitting Device Using The Same App 20140145169 - LEE; Do-Hyung ; et al.	2014-05-29
Lead-free Solder Composition For Glass App 20140044589 - Jeong; Hae Won ; et al.	2014-02-13