CH

Chang-Jun He

P( Polygroup Macau Limited (Bvi): 2 patents #1 of 15Top 7%
📍 Lo Wu, CN: #465 of 2,697 inventorsTop 20%
Overall (2023): #167,713 of 537,848Top 35%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11799251 Powered tree construction with rotation limiting Chi Yin Alan Leung, Ricky Tong, Chi Kin Samuel Kwok 2023-10-24
11602237 Multi-wire quick assemble tree Chi Yin Alan Leung, Chi Kin Samuel Kwok 2023-03-14