Inventor
LI CHENGYU
CN13 patents
⚠️ This page may combine multiple inventors who share the name “LI CHENGYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZHANG HONGJIE
2 patentsIMHEAR CORP
2 patentsSICHUAN SUN FOR LIGHT CO LTD
2 patentsUS9695360B2Jul 4, 2017
Yellow light afterglow material and preparation method thereof as well as LED illuminating device using same
SICHUAN SUN FOR LIGHT CO LTD1 citations59
US9695359B2Jul 4, 2017
Yellow light afterglow material and preparation method thereof as well as LED illuminating device using same
SICHUAN SUN FOR LIGHT CO LTD0 citations48