YC

Yoon Young Chang

LG: 1 patents #17,402 of 26,165Top 70%
📍 Seoul, KR: #24,369 of 39,741 inventorsTop 65%
Overall (All Time): #3,087,631 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8627909 Walking-assistant device Byeong Rim Jo, Juhn Ho Park, Byungju Dan, Hong Gul Jun, Byunghoon Min 2014-01-14