YC

Yi-Chung Chang

📍 Pingzhen District, CA: #2 of 2 inventorsTop 100%
Overall (2021): #203,001 of 548,734Top 40%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11129769 Method for measuring strokes of CPR and system using the same Li-Chung Chang 2021-09-28