YM

Yushan Ma

📍 Shengli, CN: #1 of 5 inventorsTop 20%
Overall (2024): #201,070 of 561,600Top 40%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12085192 Straight-stroke no-material-loss high-temperature normal-pressure filler sealing structure Haixia SU, Zhandong Chang, Zhiyun Feng, Runhai Hou 2024-09-10