SY

Shi Yan

📍 Beijing, CA: #489 of 715 inventorsTop 70%
Overall (2020): #271,937 of 565,922Top 50%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10774895 Clamped frequency dependent piston assembly — 2020-09-15