Inventor · disambiguated record
Kam Wah Siu
Also filed as: SIU KAM WAH
8 granted patents·5 pending applications·34 citations·filing 2004–2022
81Inventor score
Top patents by PatentIndex Score
13 records- 0187US8723439B2Triac dimmable power supply unit for LEDLEUNG WA-HING·Filed 2010·Granted May 13, 2014·14 cites·16 claims
- 0278US9161404B2AC LED array configuration switching circuit triggered by source voltage levelHUIZHOU LIGHT ENGINE LTD·Filed 2013·Granted Oct 13, 2015·5 cites·16 claims
- 0361US9462648B2Method and arrangement for remotely driving light emitting diodes from a three-phase power source via a single phase cable systemHUIZHOU LIGHT ENGINE LTD·Filed 2014·Granted Oct 4, 2016·1 cites·15 claims
- 0461US9445472B2Method and circuit for driving light-emitting diodes from three-phase power sourceHUIZHOU LIGHT ENGINE LTD·Filed 2014·Granted Sep 13, 2016·1 cites·20 claims
- 0561US7446643B2Resetable over-current and/or over-temperature protection systemUNIV HONG KONG POLYTECHNIC·Filed 2004·Granted Nov 4, 2008·13 cites·5 claims
- 0651US2015042236A1Method and apparatus for controlling brightness of light emitting diodesHUIZHOU LIGHT ENGINE LTD·Filed 2014·Application pending·0 cites
- 0751US2024162830A1Direct drive leds using floating switches in 3-phase or single-phase rectifier circuitINVENT10 LTD·Filed 2022·Application pending·0 cites
- 0851US2024163991A1Single stage power factor correction circuit for horticultural led lightsINVENT10 LTD·Filed 2022·Application pending·0 cites
- 0948US9161400B2Method and apparatus for cancelling output current ripples in LED driving circuitsHUIZHOU LIGHT ENGINE LTD·Filed 2013·Granted Oct 13, 2015·0 cites·14 claims
- 1045US2015015142A1Led light bulb with leds mounted on angled circuit boardHUIZHOU LIGHT ENGINE LTD·Filed 2013·Application pending·0 cites
- 1144US2015008834A1Lossless forward voltage matching network for led driversHUIZHOU LIGHT ENGINE LTD·Filed 2013·Application pending·0 cites
- 1237US8928241B2Method and apparatus for controlling brightness of light emitting diodesLO CHUNG PING KEVIN·Filed 2010·Granted Jan 6, 2015·0 cites·2 claims
- 1335US9357604B2Light engine with LED switching arraySIU KAM WAH·Filed 2012·Granted May 31, 2016·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →