Inventor
TU ZHONGXUAN
CN8 patents
⚠️ This page may combine multiple inventors who share the name “TU ZHONGXUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ULTRASENSE SYSTEMS INC
7 patentsUS11803274B2Oct 31, 2023
Multi-virtual button finger-touch input systems and methods of detecting a finger-touch event at one of a plurality of virtual buttons
ULTRASENSE SYSTEMS INC4 citations73
US11719671B2Aug 8, 2023
Methods of distinguishing among touch events
ULTRASENSE SYSTEMS INC6 citations73
US11835400B2Dec 5, 2023
Force-measuring device testing system, force-measuring device calibration system, and a method of calibrating a force-measuring device
ULTRASENSE SYSTEMS INC5 citations69
US12366489B2Jul 22, 2025
Force-measuring and touch-sensing integrated circuit device
ULTRASENSE SYSTEMS INC0 citations61
US12277292B2Apr 15, 2025
Multi-virtual button finger-touch input systems and methods of detecting a finger-touch event at one of a plurality of virtual buttons
ULTRASENSE SYSTEMS INC0 citations61
US11725993B2Aug 15, 2023
Force-measuring and touch-sensing integrated circuit device
ULTRASENSE SYSTEMS INC0 citations61
US11898925B2Feb 13, 2024
System for mapping force transmission from a plurality of force-imparting points to each force-measuring device and related method
ULTRASENSE SYSTEMS INC0 citations56