Inventor · disambiguated record
Yung-Chuan Lu
Also filed as: LU YUNG-CHUAN
12 granted patents·2 pending applications·7 citations·filing 2005–2023
81Inventor score
Top patents by PatentIndex Score
14 records- 0180US9648690B1Dimmable instant-start ballastDELTA ELECTRONICS INC·Filed 2016·Granted May 9, 2017·4 cites·14 claims
- 0268US10152068B1Electrical ballast and driving method thereofDELTA ELECTRONICS INC·Filed 2018·Granted Dec 11, 2018·1 cites·20 claims
- 0366US8760059B2Current-preheat electronic ballast and resonant capacitor adjusting circuit thereofCHOU CHING-HO·Filed 2012·Granted Jun 24, 2014·2 cites·20 claims
- 0457US11388800B2Power supply for light-emitting diode and operating method thereofDELTA ELECTRONICS INC·Filed 2020·Granted Jul 12, 2022·0 cites·12 claims
- 0556US12408248B2LED power supplyDELTA ELECTRONICS INC·Filed 2023·Granted Sep 2, 2025·0 cites·13 claims
- 0655US12349247B2LED power supply equipment with bi-level dimmingDELTA ELECTRONICS INC·Filed 2023·Granted Jul 1, 2025·0 cites·8 claims
- 0751US11991797B2LED power supply with bi-level dimming and bi-level dimming methodDELTA ELECTRONICS INC·Filed 2023·Granted May 21, 2024·0 cites·9 claims
- 0849US9232619B2Fluorescent electronic ballastDELTA ELECTRONICS INC·Filed 2014·Granted Jan 5, 2016·0 cites·6 claims
- 0948US11646655B2LLC resonant converter and control method thereofDELTA ELECTRONICS INC·Filed 2021·Granted May 9, 2023·0 cites·10 claims
- 1044US8378592B2End of lamp life protection circuit with bi-level detections for the electronic ballast and method thereofDELTA ELECTRONICS INC·Filed 2010·Granted Feb 19, 2013·0 cites·19 claims
- 1143US9544980B2Driving device and illumination systemDELTA ELECTRONICS INC·Filed 2015·Granted Jan 10, 2017·0 cites·16 claims
- 1243US9426869B2Multi-output electronic ballastCHOU CHING-HO·Filed 2011·Granted Aug 23, 2016·0 cites·13 claims
- 1338US2018108281A1Electronic ballast system for signage lightDELTA ELECTRONICS INC·Filed 2017·Application pending·0 cites
- 1436US2007013357A1Inverter apparatus with built-in programmable logic-controllerDELTA ELECTRONICS INC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →