LT

Lei-Lung Tsai

PE Primax Electronics: 7 patents #4 of 70Top 6%
Overall (2019): #17,697 of 560,194Top 4%
7
Patents 2019

Issued Patents 2019

Patent #TitleCo-InventorsDate
10509482 Keyboard device Yi-Shu Lee 2019-12-17
10410807 Luminous keyboard Chung-Yuan Chen 2019-09-10
10403452 Keyboard device Yi-Shu Lee 2019-09-03
10312035 Luminous keyboard Ying-Te Chiang, Kun-I Yuan 2019-06-04
10242819 Mechanical key structure Chia Feng Lee, Chin-Sung Pan 2019-03-26
10236142 Luminous keyboard Ying-Te Chiang 2019-03-19
10170254 Key structure 2019-01-01