Hwang; Sung Won

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hwang; Sung Won.The latest application filed is for "light emitting device for light amplification using graphene quantum dot and method for producing the device".

Company Profile

2.8.9

Hwang; Sung Won - Chungcheongbuk-do KR
Hwang; Sung Won - Hwaseong-si KR
Hwang; Sung-won - Suwon-si N/A KR
Hwang; Sung-Won - Gyeonggi-do KR
Hwang; Sung-Won - Yongin-si KR

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

Patent Activity

Patent	Date
Light emitting device for light amplification using graphene quantum dot and method for producing the device Grant 10,873,004 - Hwang , et al. December 22, 2	2020-12-22
Light Emitting Device For Light Amplification Using Graphene Quantum Dot And Method For Producing The Device App 20190312174 - HWANG; Sung Won ; et al.	2019-10-10
Semiconductor light emitting device Grant 9,478,702 - Hwang , et al. October 25, 2	2016-10-25
Graphene light-emitting device and method of manufacturing the same Grant 9,166,099 - Hwang , et al. October 20, 2	2015-10-20
Semiconductor Light Emitting Device App 20150221823 - HWANG; Sung Won ; et al.	2015-08-06
Semiconductor light-emitting devices including contact layers to form reflective electrodes Grant 9,012,884 - Kim , et al. April 21, 2	2015-04-21
Light-emitting diode for emitting ultraviolet light Grant 8,907,320 - Hwang , et al. December 9, 2	2014-12-09
Semiconductor Light-emitting Devices Including Contact Layers To Form Reflective Electrodes App 20140008608 - KIM; Jung-Sub ; et al.	2014-01-09
Light-emitting Diode For Emitting Ultraviolet Light App 20130193408 - Hwang; Sung-Won ; et al.	2013-08-01
Graphene Quantum Dot Light Emitting Device And Method Of Manufacturing The Same App 20120068154 - HWANG; Sung-won ; et al.	2012-03-22
Graphene Light-emitting Device And Method Of Manufacturing The Same App 20120068152 - HWANG; Sung-won ; et al.	2012-03-22
Guide structure of a tray Grant 7,293,815 - Hwang November 13, 2	2007-11-13
Grip handle at passenger seat in automobile Grant 7,090,278 - Hwang August 15, 2	2006-08-15
Grip handle at passenger seat in automobile App 20060055198 - Hwang; Sung-Won	2006-03-16
Painting device of a crash pad App 20060054084 - Hwang; Sung-Won	2006-03-16
Guide structure of a tray App 20060038422 - Hwang; Sung-Won	2006-02-23

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