ST

Sheng-An Tsai

PE Primax Electronics: 3 patents #16 of 70Top 25%
Overall (2019): #68,756 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10490369 Key structure Li-Jen Chien, Hsiang-Wen Cheng 2019-11-26
10276328 Keyboard structure Hsiang-Wen Cheng, Li-Jen Chien 2019-04-30
10236141 Key structure Li-Jen Chien, Hsiang-Wen Cheng, Jia-Jui Yang, Pai-Ping Hsu 2019-03-19