LIU; Yuanqiang

Patent Applications and Registrations

Patent applications and USPTO patent grants for LIU; Yuanqiang.The latest application filed is for "an led driver for led lighitng units for replacing a high-intensity discharge lamp".

Company Profile

1.3.6

LIU; Yuanqiang - SHANGHAI CN
Liu; Yuanqiang - Zhejiang Province CN
Liu; Yuanqiang - Eindhoven NL

*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
An Led Driver For Led Lighitng Units For Replacing A High-intensity Discharge Lamp App 20220141934 - VELDMAN; Paul Robert ; et al.	2022-05-05
Lighting Unit Such As A Bulb App 20220120387 - YAN; CHENGRUI ; et al.	2022-04-21
Power Source Type Determiner App 20220095433 - MALYNA; Dmytro Viktorovych ; et al.	2022-03-24
Retrofit light emitting diode, LED, lighting device for connection to a ballast, wherein said LED lighting device is arranged to detect a dip in said mains voltage using a zero current detector Grant 11,277,898 - Malyna , et al. March 15, 2	2022-03-15
A Retrofit Light Emitting Diode, Led, Lighting Device For Connection To A Ballast, Wherein Said Led Lighting Device Is Arranged To Detect A Dip In Said Mains Voltage Using A Zero Current Detector App 20210144828 - MALYNA; DMYTRO VIKTOROVYCH ; et al.	2021-05-13
Method for preparing functional engineered wood Grant 10,105,866 - Zhan , et al. October 23, 2	2018-10-23
LED driver circuit, LED circuit and drive method Grant 10,015,854 - Hilgers , et al. July 3, 2	2018-07-03
Method For Preparing Functional Engineered Wood App 20170239836 - Zhan; Xianxu ; et al.	2017-08-24
Led Driver Circuit, Led Circuit And Drive Method App 20170208660 - HILGERS; ACHIM ; et al.	2017-07-20

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