Inventor

YU CHIH-SHAN

CN2 patents

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

HARVATEK CORP

1 patent

US7701124B2Apr 20, 2010

White light-emitting device having a cap layer formed from a mixture of silicon and a phosphor blend

HARVATEK CORP0 citations47

JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD

1 patent

US12200839B2Jan 14, 2025

LED filament and light bulb using LED filament

JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD0 citations45