FL

Feng Liu

HC Hongfujin Precision Electronics (Chengdu) Co.: 1 patents #1 of 14Top 8%
📍 Chengdu, MA: #7 of 11 inventorsTop 65%
Overall (2025): #390,179 of 469,880Top 85%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12227864 Additive compound for uniform dyeing after anodic oxidation, additive solution having the additive compound, and dyeing method Chih-Chien Hung, Xiao-Gang Peng, Jian WANG, Xing Zhang, Chao Zhang +1 more 2025-02-18