YM

Yushan Ma

📍 Shengli, CN: #1 of 3 inventorsTop 35%
Overall (2020): #206,986 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10821465 Spherical core spraying tool Jun Li, Zhandong Chang, Yongxing Zhou, Yongxiang Ding, Husheng Li 2020-11-03