LT

Lei-Lung Tsai

PE Primax Electronics: 4 patents #5 of 82Top 7%
Overall (2023): #43,955 of 537,848Top 9%
4
Patents 2023

Issued Patents 2023

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11624867 Keycap, method of manufacturing the same and key structure Che-An Li 2023-04-11
11626259 Membrane circuit structure Sheng-Fan Chang, Chin-Sung Pan 2023-04-11
11610745 Key structure Sheng-Fan Chang, Chin-Sung Pan 2023-03-21
11574780 Key structure 2023-02-07