Oh; Han-Kook

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oh; Han-Kook.The latest application filed is for "heterocyclic compound, organic light emitting device comprising same, composition for organic layer of organic light emitting device, and method for manufacturing organic light emitting device".

Company Profile

4.4.9

Oh; Han-Kook - Osan-si KR
OH; Han-Kook - Yongin-si KR
Oh; Han-Kook - Osan 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 using same Grant 11,427,562 - Oh , et al. August 30, 2	2022-08-30
Heterocyclic Compound, Organic Light Emitting Device Comprising Same, Composition For Organic Layer Of Organic Light Emitting Device, And Method For Manufacturing Organic Light Emitting Device App 20220259187 - LEE; Young-Jin ; et al.	2022-08-18
Heterocyclic compound and organic light emitting element comprising same Grant 11,362,282 - Ji , et al. June 14, 2	2022-06-14
Heterocyclic Compound And Organic Light-emitting Diode Comprising Same App 20220109111 - OH; Han-Kook ; et al.	2022-04-07
Heterocyclic compound and organic light emitting device using same Grant 11,239,427 - Lee , et al. February 1, 2	2022-02-01
Heterocyclic Compound And Organic Light Emitting Element Comprising Same App 20210234102 - JI; Hye-Su ; et al.	2021-07-29
Heterocyclic Compound And Organic Light Emitting Element Comprising Same App 20210226133 - OH; Han-Kook ; et al.	2021-07-22
Heterocyclic Compound And Organic Light Emitting Element Comprising Same App 20210202863 - LEE; Yun-Ji ; et al.	2021-07-01
Heterocyclic Compound And Organic Light Emitting Device Using Same App 20190319195 - LEE; Gi-Back ; et al.	2019-10-17
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 Element Using Same App 20180287072 - PARK; Geon-yu ; et al.	2018-10-04
Hetero-cyclic Compound And Organic Light Emitting Device Using The Same App 20170213988 - PARK; Geon-Yu ; et al.	2017-07-27

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.