QD

Qiankun Duan

📍 Loudi, CN: #6 of 19 inventorsTop 35%
Overall (2025): #249,249 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1080690 Road roller Wenjun Chai, Hengning Tang, Ying Huang 2025-06-24