Inventor

CHANG BAOYAN

CN3 patents

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

SHENZHEN HONGYA OPTO ELECTRONI

2 patents

US7806554B2Oct 5, 2010

LED direct-plugging type multi-chip high power light source

SHENZHEN HONGYA OPTO ELECTRONI12 citations77

US7686479B2Mar 30, 2010

LED flat-plate type multi-chip high power light source

SHENZHEN HONGYA OPTO ELECTRONI2 citations55

CHANG BAOYAN

1 patent

US8614549B2Dec 24, 2013

Emergency illumination system based on LED combined LED lamps

CHANG BAOYAN7 citations72