CHANG; Younghak

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHANG; Younghak.The latest application filed is for "display device using semiconductor light emitting element".

Company Profile

7.9.12

CHANG; Younghak - Seoul 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
Display Device Using Semiconductor Light Emitting Element App 20220231000 - CHANG; Younghak	2022-07-21
Display device using semiconductor light emitting element Grant 11,322,488 - Chang May 3, 2	2022-05-03
Display Device Using Semiconductor Light-emitting Elements App 20210320146 - KIM; Jungsub ; et al.	2021-10-14
Display Device Using Semiconductor Light-emitting Diodes App 20210313490 - KIM; Jungsub ; et al.	2021-10-07
Display Apparatus Using Semiconductor Light-emitting Device App 20210159269 - KIM; Jungsub ; et al.	2021-05-27
Transfer head and transfer system for semiconductor light-emitting device and method for transferring semiconductor light-emitting device Grant 10,950,583 - Moon , et al. March 16, 2	2021-03-16
Display device using semiconductor light emitting device Grant 10,854,692 - Chang , et al. December 1, 2	2020-12-01
Display Device Using Semiconductor Light Emitting Element App 20200219858 - CHANG; Younghak	2020-07-09
Display device using semiconductor light emitting device Grant 10,446,529 - Chang , et al. Oc	2019-10-15
Semiconductor light emitting device, transfer head of semiconductor light emitting device, and method of transferring semiconductor light emitting device Grant 10,424,500 - Chang , et al. Sept	2019-09-24
Display Device Using Semiconductor Light Emitting Device App 20190206954 - CHANG; Younghak ; et al.	2019-07-04
Display Device Using Semiconductor Light Emitting Device App 20190081025 - CHANG; Younghak ; et al.	2019-03-14
Transfer Head And Transfer System For Semiconductor Light-emitting Device And Method For Transferring Semiconductor Light-emitting Device App 20180277524 - MOON; Sunghyun ; et al.	2018-09-27
Display Device Using Semiconductor Light Emitting Device App 20180277589 - CHANG; Younghak	2018-09-27
Semiconductor Light Emitting Device, Transfer Head Of Semiconductor Light Emitting Device, And Method Of Transferring Semiconductor Light Emitting Device App 20160300745 - CHANG; Younghak ; et al.	2016-10-13
Non-polar nitride-based light emitting device and method for fabricating the same Grant 9,184,340 - Jung , et al. November 10, 2	2015-11-10
Non-polar substrate having hetero-structure and method for manufacturing the same, and nitride-based light emitting device using the same Grant 9,136,119 - Jung , et al. September 15, 2	2015-09-15
Non-polar Substrate Having Hetero-structure And Method For Manufacturing The Same, And Nitride-based Light Emitting Device Using The Same App 20130009182 - Jung; Sukkoo ; et al.	2013-01-10
Non-polar Nitride-based Light Emitting Device And Method For Fabricating The Same App 20120286286 - JUNG; Sukkoo ; et al.	2012-11-15

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