Inventor

SIU JOHNNY

CN4 patents

⚠️ This page may combine multiple inventors who share the name “SIU JOHNNY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEUNG WA-HING

2 patents

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

HUIZHOU LIGHT ENGINE LTD

2 patents

US9320099B2Apr 19, 2016

LED Switch Circuitry for Varying Input Voltage Source

HUIZHOU LIGHT ENGINE LTD3 citations70

US9113525B2Aug 18, 2015

LED switch circuitry for varying input voltage source

HUIZHOU LIGHT ENGINE LTD2 citations59