Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Guoliang Yun Shijiazhuang Chengzhi Yonghua Display Material Co. 2
2 Ruimao Hua Shijiazhuang Chengzhi Yonghua Display Material Co. 1
2 Yunxia Qiao Shijiazhuang Chengzhi Yonghua Display Material Co. 1
2 Yongchang Niu 1