YC

Yau Dong Chang

📍 Shiliujia, TW: #67 of 176 inventorsTop 40%
Overall (All Time): #1,071,381 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12216023 Testing machine for tires — 2025-02-04
10914663 Plastometer — 2021-02-09
10830319 Transmission structure of ozone testing machine — 2020-11-10
10732077 Tire rolling resistance test machine — 2020-08-04