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Changhua Chen

📍 Beijing, CA: #541 of 767 inventorsTop 75%
Overall (2022): #503,158 of 548,613Top 95%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11366084 Ultrasonic flaw detector test block Li Zhang, Hong Mei Zhang, Zhengmao Xu, Zheng Dong, Qingyong Chen +2 more 2022-06-21