YC

Yun Yu Cheung

UN Unknown: 1 patents #329 of 3,506Top 10%
📍 Sha Tin, CN: #99 of 338 inventorsTop 30%
Overall (2020): #209,175 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10765598 Negative pressure device and methods thereof Hon San Sung, Geng Li 2020-09-08