HH

Hangjian Hu

PH Phichem: 2 patents #2 of 9Top 25%
Overall (All Time): #1,751,182 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11999889 Etching solution and application thereof Xiaoyi Gao 2024-06-04
11920073 Etching composition and application thereof Xiaoyi Gao 2024-03-05