Assignee

LEUNG WA-HING

CN3 patents

Top patents by PatentIndex Score

US8723439B2May 13, 2014

Triac dimmable power supply unit for LED

LEUNG WA-HING14 citations81

US8508140B2Aug 13, 2013

LED switch circuitry for varying input voltage source

LEUNG WA-HING19 citations79

US8947014B2Feb 3, 2015

LED switch circuitry for varying input voltage source

LEUNG WA-HING0 citations48