HH

Hangjian Hu

PH Phichem: 2 patents #2 of 4Top 50%
Overall (2024): #163,506 of 561,600Top 30%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

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