CH

Chang-Jun He

P( Polygroup Macau Limited (Bvi): 2 patents #5 of 20Top 25%
📍 Lo Wu, CN: #278 of 933 inventorsTop 30%
Overall (2020): #186,190 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10842306 Multi-wire quick assemble tree Chi Yin Alan Leung, Chi Kin Samuel Kwok 2020-11-24
10777949 Powered tree construction Chi Yin Alan Leung, Ricky Tong, Chi Kin Samuel Kwok 2020-09-15