Yoo; Jung-Ho

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yoo; Jung-Ho.The latest application filed is for "compound for organic light emitting element, and organic light emitting element comprising same and having long lifespan".

Company Profile

4.8.14

Yoo; Jung-Ho - Cheongju-si KR
Yoo; Jung-Ho - Seosan-si KR
Yoo; Jung-Ho - Seosan KR
Yoo; Jung-Ho - Chungju-Si N/A KR
Yoo; Jung-Ho - Gangnam-gu KR
Yoo; Jung Ho - Seoul N/A 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
Compound For Organic Light Emitting Element, And Organic Light Emitting Element Comprising Same And Having Long Lifespan App 20220123219 - Cha; Soon-Wook ; et al.	2022-04-21
Organic heterocyclic compound and light-emitting diode comprising same Grant 11,279,693 - Cha , et al. March 22, 2	2022-03-22
Organic light-emitting diode having long lifespan, low voltage, and high efficiency property Grant 11,133,472 - Cha , et al. September 28, 2	2021-09-28
Organic Light-emitting Diode Having Long Lifespan, Low Voltage, And High Efficiency Property App 20210296590 - CHA; Soon-Wook ; et al.	2021-09-23
Organic Light-emitting Diode Having Long Lifespan, Low Voltage, And High Efficiency Property App 20210288266 - CHA; Soon-Wook ; et al.	2021-09-16
Organic light-emitting diode with high efficiency Grant 10,797,259 - Cha , et al. October 6, 2	2020-10-06
Organic Light Emitting Diode Having High Efficiency App 20200127209 - CHA; Soon-Wook ; et al.	2020-04-23
Novel Amine Compound And Organic Light-emitting Diode Including Same App 20190067588 - CHA; Soon-Wook ; et al.	2019-02-28
Novel Organic Light Emitting Compound And Organic Light Emitting Diode Comprising Same App 20180351112 - CHA; Soon-Wook ; et al.	2018-12-06
Novel Organic Heterocyclic Compound And Lihght-emitting Diode Comprising Same App 20180319776 - CHA; Soon-Wook ; et al.	2018-11-08
Organic light-emitting diode with high efficiency App 20180019430 - CHA; Soon-Wook ; et al.	2018-01-18
Novel Amine Compounds For Organic Light-emitting Diode And Organic Light-emitting Diode Including The Same App 20170141322 - Cha; Soon-Wook ; et al.	2017-05-18
Energy storage apparatus for railway vehicles by adopting a bidirectional DC-DC converter Grant 9,440,539 - Lee , et al. September 13, 2	2016-09-13
Semiconductor devices Grant 9,112,015 - Park , et al. August 18, 2	2015-08-18
SEMICONDUCTOR DEVICES (as amended) App 20140027824 - PARK; Keum-Seok ; et al.	2014-01-30
Steel structure including pre-stressing brackets for improving load-carrying capacity and serviceability Grant 8,621,797 - Kim , et al. January 7, 2	2014-01-07
Energy Storage Apparatus for Railway Vehicles by Adopting a Bidirectional DC-DC Converter App 20130175855 - Lee; Eun Kyu ; et al.	2013-07-11
Steel Structure Including Pre-stressing Brackets For Improving Load-carrying Capacity And Serviceability App 20130097947 - Kim; Sang Hyo ; et al.	2013-04-25

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