WL

Wa Hing Leung

HL Huizhou Light Engine Limited: 6 patents #1 of 7Top 15%
Overall (2016): #16,199 of 481,213Top 4%
6
Patents 2016

Issued Patents 2016

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9462648 Method and arrangement for remotely driving light emitting diodes from a three-phase power source via a single phase cable system Chung Ping Kevin Lo, Kam Wah Siu 2016-10-04
9445472 Method and circuit for driving light-emitting diodes from three-phase power source Chung Ping Kevin Lo, Kam Wah Siu 2016-09-13
9357604 Light engine with LED switching array Kam Wah Siu 2016-05-31
9322517 Non-glare reflective LED lighting apparatus with heat sink mounting Tin Po Chu 2016-04-26
9320099 LED Switch Circuitry for Varying Input Voltage Source Johnny Siu 2016-04-19
9234646 Non-glare reflective LED lighting apparatus with heat sink mounting Tin Po Chu 2016-01-12