JF

Junfei Fan

BC Baoshan Iron & Steel Co.: 1 patents #7 of 35Top 20%
📍 Shanghai, MS: #1 of 1 inventorsTop 100%
Overall (2025): #329,750 of 469,880Top 75%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12319998 Vacuum coating device Sanbing Ren, Shanqing Li, Chunwei Zhang, Xiaoli Jin 2025-06-03