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name:-0.015126943588257
name:-0.0095410346984863
name:-0.002716064453125
QU; Wanyuan Patent Filings

QU; Wanyuan

Patent Applications and Registrations

Patent applications and USPTO patent grants for QU; Wanyuan.The latest application filed is for "voltage conversion circuit and power supply system".

Company Profile
2.8.13
  • QU; Wanyuan - Hangzhou CN
  • Qu; Wanyuan - Daejeon KR
  • Qu; Wanyuan - Daejeon-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
PatentDate
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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