Inventor · disambiguated record
Yuanqiang Liu
Also filed as: LIU YUANQIANG
8 granted patents·0 citations·filing 2015–2021
70Inventor score
Top patents by PatentIndex Score
8 records- 0154US11997770B2Mechanism for controlling a driver arrangementSIGNIFY HOLDING BV·Filed 2021·Granted May 28, 2024·0 cites·15 claims
- 0253US12144075B2Lighting device which receives power from an external power supplySIGNIFY HOLDING BV·Filed 2021·Granted Nov 12, 2024·0 cites·15 claims
- 0353US12063727B2Tubular LED lamp and a circuit used for the lampSIGNIFY HOLDING BV·Filed 2021·Granted Aug 13, 2024·0 cites·10 claims
- 0450US11466818B2Lighting unit such as a bulbSIGNIFY HOLDING BV·Filed 2021·Granted Oct 11, 2022·0 cites·15 claims
- 0549US11540376B2Power source type determinerSIGNIFY HOLDING BV·Filed 2020·Granted Dec 27, 2022·0 cites·16 claims
- 0643US11582849B2LED driver for LED lighting units for replacing a high-intensity discharge lampSIGNIFY HOLDING BV·Filed 2020·Granted Feb 14, 2023·0 cites·12 claims
- 0742US11277898B2Retrofit 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 detectorSIGNIFY HOLDING BV·Filed 2018·Granted Mar 15, 2022·0 cites·11 claims
- 0841US10015854B2LED driver circuit, LED circuit and drive methodPHILIPS LIGHTING HOLDING BV·Filed 2015·Granted Jul 3, 2018·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →