Inventor

ZHANG LIANWEI

CN3 patents

Patents

3 patents

US10344920B2Jul 9, 2019

Lighting device

XIAMEN ECO LIGHTING CO LTD1 citations59

US11248783B2Feb 15, 2022

Lighting apparatus

XIAMEN ECO LIGHTING CO LTD1 citations56

US10473291B2Nov 12, 2019

Filament bulb with uniform luminance

XIAMEN ECO LIGHTING CO LTD0 citations49