RP

Ran Pang

Overall (2021): #293,703 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11208561 Colorant and preparation method thereof Chengyu Li, Hongjie Zhang, Lei Tian, Jianyi Chi, Wei Jiang +3 more 2021-12-28