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Chuang-shu Jhuang
Taipei
TW
3 patents
3 Patents
US12362110
2025
Keycap
Primax Electronics Ltd.
0 cites
US11862411
2024
Membrane Circuit Board and Keyboard Device Using Same
PRIMAX ELECTRONICS Ltd.
0 cites
US11646167
2023
Keyboard Device and Key Structure Thereof
PRIMAX ELECTRONICS Ltd.
0 cites