Inventor
Lee Yi-Shu
TW6 patents
Patents
6 patentsUS10509482B1Dec 17, 2019
Keyboard device
PRIMAX ELECTRONICS LTD7 citations81
US9633800B1Apr 25, 2017
Key structure
PRIMAX ELECTRONICS LTD3 citations70
US11011330B2May 18, 2021
Keyboard device
PRIMAX ELECTRONICS LTD0 citations49
US10403452B1Sep 3, 2019
Keyboard device
PRIMAX ELECTRONICS LTD0 citations39
US10020139B2Jul 10, 2018
Key structure
PRIMAX ELECTRONICS LTD0 citations39
US9972464B2May 15, 2018
Key structure
PRIMAX ELECTRONICS LTD0 citations39