CH

Chang-Jun He

P( Polygroup Macau Limited (Bvi): 1 patents #1 of 4Top 25%
📍 Lo Wu, CN: #1,614 of 4,691 inventorsTop 35%
Overall (2025): #427,841 of 469,880Top 95%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12362523 Powered tree construction with rotation limiting Chi Yin Alan Leung, Ricky Tong, Chi Kin Samuel Kwok 2025-07-15