Hu; Qingcong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hu; Qingcong.The latest application filed is for "a luminaire and connection mechanism for connecting multiple luminaires".

Company Profile

1.15.16

Hu; Qingcong - Morrisville NC

*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
Luminaire and connection mechanism for connecting multiple luminaires Grant 10,508,797 - Walker , et al. Dec	2019-12-17
Auxiliary supply generation for power converters Grant 10,141,740 - Hu Nov	2018-11-27
A Luminaire And Connection Mechanism For Connecting Multiple Luminaires App 20180172246 - Walker; Donald ; et al.	2018-06-21
Dual mode power supply controller with charge balance multipliers and charge balance multiplier circuits Grant 9,998,027 - Walters , et al. June 12, 2	2018-06-12
Voltage level shifting circuits for signal levels and/or power supply voltage levels using constant voltage circuit elements, lighting apparatuses and methods of operating the same Grant 9,871,522 - Hu , et al. January 16, 2	2018-01-16
Auxiliary Supply Generation For Power Converters App 20170373496 - Hu; Qingcong	2017-12-28
High efficiency driver circuit with fast response Grant 9,791,110 - Hu , et al. October 17, 2	2017-10-17
Solid State Light Fixtures Having Ultra-low Dimming Capabilities And Related Driver Circuits And Methods App 20170231045 - Hu; Yuequan ; et al.	2017-08-10
Solid state light fixtures having ultra-low dimming capabilities and related driver circuits and methods Grant 9,730,289 - Hu , et al. August 8, 2	2017-08-08
Power converter circuitry with switching frequency control circuitry Grant 9,654,010 - Hu May 16, 2	2017-05-16
Dual Mode Power Supply Controller With Charge Balance Multipliers And Charge Balance Multiplier Circuits App 20170077833 - Walters; Michael ; et al.	2017-03-16
Dual mode power supply controller with charge balance multipliers and charge balance multiplier circuits Grant 9,509,215 - Walters , et al. November 29, 2	2016-11-29
Voltage Level Shifting Circuits For Signal Levels And/or Power Supply Voltage Levels Using Constant Voltage Circuit Elements, Lighting Apparatuses And Methods Of Operating The Same App 20160322972 - Hu; Qingcong ; et al.	2016-11-03
Dual mode power supply controller with current regulation Grant 9,484,805 - Walters , et al. November 1, 2	2016-11-01
Power Converter Circuitry With Switching Frequency Control Circuitry App 20160156269 - Hu; Qingcong	2016-06-02
Power supply with low electro-magnetic interference and inductor for power supply with low electro-magnetic interference Grant 9,330,833 - Hu , et al. May 3, 2	2016-05-03
SEPIC driver circuit with low input current ripple Grant 9,303,823 - Hu , et al. April 5, 2	2016-04-05
High Efficiency Driver Circuit With Fast Response App 20150312983 - Hu; Yuequan ; et al.	2015-10-29
Sepic Driver Circuit With Low Input Current Ripple App 20150312974 - Hu; Qingcong ; et al.	2015-10-29
Minimum off time control systems and methods for switching power converters in discontinuous conduction mode Grant 9,130,465 - Hu September 8, 2	2015-09-08
Minimum Off Time Control Systems And Methods For Switching Power Converters In Discontinuous Conduction Mode App 20150123565 - Hu; Qingcong	2015-05-07
Driving circuits for solid-state lighting apparatus with high voltage LED components and related methods Grant 8,853,958 - Athalye , et al. October 7, 2	2014-10-07
Multiple Power Outputs Generated From A Single Current Source App 20140265885 - HU; QINGCONG ; et al.	2014-09-18
Driver circuits for dimmable solid state lighting apparatus Grant 8,810,144 - Hu , et al. August 19, 2	2014-08-19
Power Supply With Low Electro-magnetic Interference And Inductor For Power Supply With Low Electro-magnetic Interference App 20140218987 - Hu; Yuequan ; et al.	2014-08-07
Dual Mode Power Supply Controller with Charge Balance Multipliers and Charge Balance Multiplier Circuits App 20140117964 - Walters; Michael ; et al.	2014-05-01
Dual Mode Power Supply Controller with Current Regulation App 20140119078 - Walters; Michael ; et al.	2014-05-01
Driver Circuits For Dimmable Solid State Lighting Apparatus App 20130293135 - Hu; Qingcong ; et al.	2013-11-07
Driving Circuits for Solid-State Lighting Apparatus With High Voltage LED Components and Related Methods App 20130127353 - Athalye; Praneet ; et al.	2013-05-23

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