HC

Hsien-Tsan Chang

PE Primax Electronics: 2 patents #15 of 55Top 30%
Overall (2018): #143,205 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Patent #TitleCo-InventorsDate
9941072 Keyboard device Bo-An Chen, Yi-Chen Wang, Chen-Hsuan Hsu, Chin-Sung Pan, Ming-Han Wu 2018-04-10
9905380 Magnetic type keyboard and magnetic key thereof Wei-Yung Huang 2018-02-27