YM

Yajuan Ma

TC Tianjin Hualai Technology Co.: 1 patents #1 of 6Top 20%
Overall (2024): #213,128 of 561,600Top 40%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1034270 Smart doorbell Xiyin Xu, Jincan Lv, Bo Li, Qing Zhang, Huaizhong Xie 2024-07-09