Inventor
PAN CHIN-SUNG
TW27 patents
⚠️ This page may combine multiple inventors who share the name “PAN CHIN-SUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRIMAX ELECTRONICS LTD
25 patentsUS11175444B1Nov 16, 2021
Luminous keyboard and backlight module thereof
PRIMAX ELECTRONICS LTD10 citations85
US10937609B1Mar 2, 2021
Membrane circuit structure
PRIMAX ELECTRONICS LTD2 citations73
US10020138B1Jul 10, 2018
Keyboard device
PRIMAX ELECTRONICS LTD2 citations72
US9959990B1May 1, 2018
Keyboard device
PRIMAX ELECTRONICS LTD3 citations72
US9941072B1Apr 10, 2018
Keyboard device
PRIMAX ELECTRONICS LTD2 citations72
US10026566B1Jul 17, 2018
Keyboard device
PRIMAX ELECTRONICS LTD3 citations71
US10340098B2Jul 2, 2019
Key structure
PRIMAX ELECTRONICS LTD3 citations70
US11598751B2Mar 7, 2023
Resonance detection system for peripheral interface device
PRIMAX ELECTRONICS LTD1 citations62
US11289283B1Mar 29, 2022
Key structure and rubber dome thereof
PRIMAX ELECTRONICS LTD1 citations62
US11177092B1Nov 16, 2021
Keyboard device and key structure thereof
PRIMAX ELECTRONICS LTD1 citations62
US10275041B2Apr 30, 2019
Keyboard device and key structure thereof
PRIMAX ELECTRONICS LTD1 citations62
US10242819B1Mar 26, 2019
Mechanical key structure
PRIMAX ELECTRONICS LTD1 citations62
US10242818B2Mar 26, 2019
Key structure employing a dome and scissor-type support
PRIMAX ELECTRONICS LTD1 citations62
US11626259B1Apr 11, 2023
Membrane circuit structure
PRIMAX ELECTRONICS LTD0 citations61
US10656727B2May 19, 2020
Keyboard device
PRIMAX ELECTRONICS LTD1 citations61
US10276325B2Apr 30, 2019
Keyboard device
PRIMAX ELECTRONICS LTD1 citations60
US11309142B1Apr 19, 2022
Keyboard device
PRIMAX ELECTRONICS LTD0 citations52
US11120956B1Sep 14, 2021
Keyboard device
PRIMAX ELECTRONICS LTD0 citations52
US10199186B1Feb 5, 2019
Key structure with extensions to provide haptic feedback
PRIMAX ELECTRONICS LTD0 citations52
US10020140B2Jul 10, 2018
Keyboard device
PRIMAX ELECTRONICS LTD1 citations51
US11610745B1Mar 21, 2023
Key structure
PRIMAX ELECTRONICS LTD0 citations50
US11145474B1Oct 12, 2021
Keyboard device and key structure thereof
PRIMAX ELECTRONICS LTD0 citations50
US11205549B1Dec 21, 2021
Keycap structure
PRIMAX ELECTRONICS LTD0 citations49
US10755873B2Aug 25, 2020
Membrane circuit board and keyboard device with same
PRIMAX ELECTRONICS LTD0 citations42
US10242820B1Mar 26, 2019
Luminous keyboard
PRIMAX ELECTRONICS LTD0 citations39