Inventor
TSAI SHENG-AN
TW30 patents
⚠️ This page may combine multiple inventors who share the name “TSAI SHENG-AN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRIMAX ELECTRONICS LTD
19 patentsUS11681379B1Jun 20, 2023
Mouse device
PRIMAX ELECTRONICS LTD8 citations84
US11099667B1Aug 24, 2021
Roller module for a mouse device having a movable magnet
PRIMAX ELECTRONICS LTD10 citations84
US10276328B1Apr 30, 2019
Keyboard structure
PRIMAX ELECTRONICS LTD9 citations82
US10236141B1Mar 19, 2019
Key structure
PRIMAX ELECTRONICS LTD7 citations77
US12039114B1Jul 16, 2024
Mouse device including a magnetic ratchet
PRIMAX ELECTRONICS LTD3 citations74
US11797108B1Oct 24, 2023
Mouse device
PRIMAX ELECTRONICS LTD6 citations73
US10658137B1May 19, 2020
Key structure
PRIMAX ELECTRONICS LTD2 citations71
US10658135B1May 19, 2020
Keyboard key structure that generates an operation sound
PRIMAX ELECTRONICS LTD2 citations71
US10490369B1Nov 26, 2019
Key structure
PRIMAX ELECTRONICS LTD4 citations71
US11404227B1Aug 2, 2022
Keyboard device
PRIMAX ELECTRONICS LTD2 citations70
US12444555B2Oct 14, 2025
Mechanical keyboard
PRIMAX ELECTRONICS LTD0 citations56
US11810733B1Nov 7, 2023
Key structure
PRIMAX ELECTRONICS LTD0 citations52
US12321537B1Jun 3, 2025
Mouse device
PRIMAX ELECTRONICS LTD0 citations51
US12057266B2Aug 6, 2024
Wheel control mechanism and mouse device with same
PRIMAX ELECTRONICS LTD0 citations50
US12028063B2Jul 2, 2024
Input device control wheel
PRIMAX ELECTRONICS LTD0 citations50
US11728109B2Aug 15, 2023
Key structure
PRIMAX ELECTRONICS LTD0 citations50
US10903025B1Jan 26, 2021
Keyboard with vibration function
PRIMAX ELECTRONICS LTD0 citations50
US12455638B1Oct 28, 2025
Roller module
PRIMAX ELECTRONICS LTD0 citations47
US11094479B1Aug 17, 2021
Key structure
PRIMAX ELECTRONICS LTD0 citations46
QUANTA COMP INC
6 patentsUS11298831B2Apr 12, 2022
Robotic system capable of facilitating return alignment
QUANTA COMP INC7 citations84
US10651594B1May 12, 2020
Detachable robotic system
QUANTA COMP INC20 citations84
US11117264B2Sep 14, 2021
Robotic system
QUANTA COMP INC8 citations82
US11116376B2Sep 14, 2021
Vacuum cleaner system
QUANTA COMP INC0 citations50
US9628148B2Apr 18, 2017
Electronic device with modulization parts
QUANTA COMP INC0 citations39
US9459658B1Oct 4, 2016
Modular electronic device
QUANTA COMP INC0 citations39