Kwon; Ok Hwan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kwon; Ok Hwan.The latest application filed is for "ac led driving circuit".

Company Profile

0.6.9

Kwon; Ok Hwan - Daejeon-si KR
Kwon; Ok Hwan - Daejeon KR
Kwon; Ok Hwan - Seoul KR
KWON; Ok Hwan - Yuseong-gu KR
Kwon; Ok Hwan - Gumi-si 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
Switching apparatus and control method thereof Grant 9,793,797 - Qu , et al. October 17, 2	2017-10-17
Signal control circuit and switching apparatus for increased current control Grant 9,653,993 - Kwon , et al. May 16, 2	2017-05-16
AC LED driving circuit Grant 9,603,215 - Shin , et al. March 21, 2	2017-03-21
Ac Led Driving Circuit App 20160278177 - SHIN; So-Bong ; et al.	2016-09-22
Signal Control Circuit And Switching Apparatus App 20150340945 - KWON; Ok Hwan ; et al.	2015-11-26
Dimming system of lamp using light-emitting device Grant 9,144,128 - Shin , et al. September 22, 2	2015-09-22
Switching Apparatus And Control Method Thereof App 20150249388 - QU; Wanyuan ; et al.	2015-09-03
Light Emitting Diode Driving Circuit And Light Emitting Diode Illumination Apparatus Including The Same App 20150048744 - Shin; So Bong ; et al.	2015-02-19
Dimming System Of Lamp Using Light-emitting Device App 20140292217 - SHIN; So-Bong ; et al.	2014-10-02
System Control Unit, Led Driver Including The System Control Unit, And Method Of Controlling Static Current Of The Led Driver App 20140111108 - QU; Wanyuan ; et al.	2014-04-24
Device for driving light emitting diode Grant 8,686,649 - Shin , et al. April 1, 2	2014-04-01
System Control Unit, Led Driver Including The System Control Unit, And Method Of Controlling Static Current Of The Led Driver App 20140077715 - KWON; Ok Hwan ; et al.	2014-03-20
Device For Driving Light Emitting Diode App 20130106296 - SHIN; So Bong ; et al.	2013-05-02
Flat panel display with clock being generated insider the data driver using XOR logic with the data signal and a second signal generated from the data signal using a encoding scheme as the two inputs that are transmitted to a clock generator inside the data driver Grant 8,120,602 - Kwon , et al. February 21, 2	2012-02-21
Flat Panel Display Device App 20080297445 - KWON; Ok Hwan ; et al.	2008-12-04

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