SH

Song-Hui Han

PE Primax Electronics: 2 patents #210 of 571Top 40%
Overall (All Time): #1,892,530 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11177091 Keyboard device Lei-Lung Tsai, Chuang-Shu Jhuang 2021-11-16
9799465 Key structure Chuang-Shu Jhuang 2017-10-24