YC

Ying-Ying Chang

📍 Taipei, CA: #59 of 156 inventorsTop 40%
Overall (2011): #125,172 of 364,097Top 35%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8082942 Oil pipe connector Ching-Ching Chang, Li-Jen Chang 2011-12-27