Inventor · disambiguated record
Yuhong Fang
Also filed as: FANG YUHONG
14 granted patents·5 pending applications·6 citations·filing 2005–2023
82Inventor score
Files withSIGNIFY HOLDING BV11FANG YUHONG4KONINKL PHILIPS ELECTRONICS NV2CHEN YIMIN1KONINKL PHILIPS NV1
Top patents by PatentIndex Score
19 records- 0155US8184457B2Switch mode power supply for in-line voltage applicationsCHEN YIMIN·Filed 2007·Granted May 22, 2012·6 cites·16 claims
- 0254US2025168950A1Protection circuit for multi-channel LED luminaireSIGNIFY HOLDING BV·Filed 2023·Application pending·0 cites
- 0351US12016101B2Power supply configuration across isolation barrierSIGNIFY HOLDING BV·Filed 2020·Granted Jun 18, 2024·0 cites·11 claims
- 0450US11638341B2Isolated converter and led driver using the isolated converterSIGNIFY HOLDING BV·Filed 2020·Granted Apr 25, 2023·0 cites·15 claims
- 0548US10542591B2LED lamp(s) with single channel driverSIGNIFY HOLDING BV·Filed 2017·Granted Jan 21, 2020·0 cites·13 claims
- 0644US12081123B2System and method for detecting a DC bus voltage while minimizing power loss in standby modeSIGNIFY HOLDING BV·Filed 2020·Granted Sep 3, 2024·0 cites·14 claims
- 0744US11895746B2Class 2 circuit protectionSIGNIFY HOLDING BV·Filed 2020·Granted Feb 6, 2024·0 cites·8 claims
- 0843US12289041B2System and method for determining mains voltage of a power supplySIGNIFY HOLDING BV·Filed 2021·Granted Apr 29, 2025·0 cites·13 claims
- 0943US10912174B2Method of lighting driver protection in case of loss of neutral connection, and lighting driver including such protectionSIGNIFY HOLDING BV·Filed 2017·Granted Feb 2, 2021·0 cites·16 claims
- 1041US11071185B2LED arrangement with over-current protectionSIGNIFY HOLDING BV·Filed 2018·Granted Jul 20, 2021·0 cites·7 claims
- 1141US2014292210A1Low power standby shutdown circuitKONINKL PHILIPS NV·Filed 2012·Application pending·0 cites
- 1239US9379626B2Power supply circuit for a PFC converterFANG YUHONG·Filed 2012·Granted Jun 28, 2016·0 cites·14 claims
- 1338US11147138B2Lighting power supply system and methodSIGNIFY HOLDING BV·Filed 2018·Granted Oct 12, 2021·0 cites·15 claims
- 1437US2008129216A1Anti-Striation Circuit For A Gas Discharge Lamp BallastKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 1537US2013009565A1Electronic ballast for parallel lamp operation with program startKONINKL PHILIPS ELECTRONICS NV·Filed 2011·Application pending·0 cites
- 1633US9210783B2Electronic ballast and startup methodFANG YUHONG·Filed 2010·Granted Dec 8, 2015·0 cites·12 claims
- 1733US2014049161A1Instant start ballast systemFANG YUHONG·Filed 2012·Application pending·0 cites
- 1830US11467211B2Error detection on integrated circuit input/output pinsSIGNIFY HOLDING BV·Filed 2017·Granted Oct 11, 2022·0 cites·14 claims
- 1927US10009989B2Electronic ballast with power thermal cutbackFANG YUHONG·Filed 2010·Granted Jun 26, 2018·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →