EY

Ergai Yu

Overall (2025): #393,557 of 469,880Top 85%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12424336 Method, device and system for tracking potential infected persons in public place during epidemic period Qian Luo, Wanli Dang, Xiao Luo, Rui Deng, Long Geng +2 more 2025-09-23