KC

Kejian Cui

AL Appotronics Corporation Limited: 2 patents #15 of 33Top 50%
Overall (2024): #146,919 of 561,600Top 30%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11921412 Method for manufacturing projection screen and projection screen Hongxiu Zhang, Wei Sun, Yi Li 2024-03-05
11921415 Optical coating for projection screen Fei Hu, Yi Li 2024-03-05