Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Haohao Huang 3
1 Guifang Wang 3
3 Zhenhua Tao Unknown 2
#4 Liangxing Jiang Gem Co. 1
#4 Weifeng Ding Gem Co. 1
#4 Lifan Zhu 1
#4 Yongan Chen Gem Co. 1
#4 Chenghu Du Unknown 1
#4 Jiangzhao Liu Unknown 1