YC

YU-SYONG CHEN

Overall (All Time): #2,852,195 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10260568 Connecting device for chainring of bicycle Chung-Cheng Chen, Chung-Yi Chen, Sheng Li, Yuan-Cheng Chiang 2019-04-16