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Patent applications and USPTO patent grants for QU; Wanyuan.The latest application filed is for "voltage conversion circuit and power supply system".
Patent | Date |
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Voltage Conversion Circuit And Power Supply System App 20220285947 - QU; Wanyuan ;   et al. | 2022-09-08 |
Lamp Control Device App 20210076467 - Qu; Wanyuan ;   et al. | 2021-03-11 |
Lamp control device Grant 10,887,962 - Qu , et al. January 5, 2 | 2021-01-05 |
Lighting apparatus and driving circuit including frequency dithering and slope compensation Grant 10,085,313 - Yoo , et al. September 25, 2 | 2018-09-25 |
Lamp control device Grant 10,051,695 - Kim , et al. August 14, 2 | 2018-08-14 |
Lamp control device Grant 9,986,616 - Hong , et al. May 29, 2 | 2018-05-29 |
Lamp control device and control method therefor Grant 9,955,543 - Hong , et al. April 24, 2 | 2018-04-24 |
Lighting Apparatus And Driving Curcuit Thereof App 20180092172 - YOO; Tae Young ;   et al. | 2018-03-29 |
Lamp Control Device And Control Method Therefor App 20180007756 - HONG; Ju Pyo ;   et al. | 2018-01-04 |
Lamp Control Device App 20170374712 - QU; Wanyuan ;   et al. | 2017-12-28 |
Lamp Control Device App 20170359868 - KIM; Sung Hwan ;   et al. | 2017-12-14 |
Lamp Control Device App 20170303352 - HONG; Ju Pyo ;   et al. | 2017-10-19 |
Switching apparatus and control method thereof Grant 9,793,797 - Qu , et al. October 17, 2 | 2017-10-17 |
Switching mode converter having 100% duty cycle mode and method for controlling thereof Grant 9,625,932 - Qu , et al. April 18, 2 | 2017-04-18 |
Switching Apparatus And Control Method Thereof App 20150249388 - QU; Wanyuan ;   et al. | 2015-09-03 |
Low Dropout Circuit Capable Of Controlled Startup And Method Of Controlling Same App 20150137781 - Qu; Wanyuan ;   et al. | 2015-05-21 |
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 |
Switching Mode Converter And Method For Controlling Thereof App 20140062449 - Qu; Wanyuan ;   et al. | 2014-03-06 |
Device For Driving Light Emitting Diode App 20130106296 - SHIN; So Bong ;   et al. | 2013-05-02 |
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