QM

Qianjia Ma

UN Unknown: 1 patents #342 of 3,065Top 15%
📍 Zhengzhou, CA: #7 of 11 inventorsTop 65%
Overall (2023): #291,117 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11790711 Keys and locks Yaowu Ma, Fen Ruan, Jun Ma, Pinzhen Huang, Qianjing Ma +1 more 2023-10-17