Inventor
LIU YUN-CHENG
TW18 patents
⚠️ This page may combine multiple inventors who share the name “LIU YUN-CHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUANTA COMP INC
10 patentsUS7948479B2May 24, 2011
Method and system for distinguishing multiple touch points
QUANTA COMP INC22 citations91
US8982101B2Mar 17, 2015
Optical touch system and optical touch-position detection method
QUANTA COMP INC4 citations73
US9946913B2Apr 17, 2018
Electronic device
QUANTA COMP INC4 citations71
US9594441B2Mar 14, 2017
Stylus
QUANTA COMP INC2 citations69
US9367140B2Jun 14, 2016
Keyboard device and electronic device
QUANTA COMP INC1 citations52
US9389780B2Jul 12, 2016
Touch-control system
QUANTA COMP INC1 citations51
US12276799B2Apr 15, 2025
Illumination module, head-mounted display including illumination module, and method for creating uniform lighting
QUANTA COMP INC0 citations50
US9395848B2Jul 19, 2016
Optical touch control systems and methods thereof
QUANTA COMP INC0 citations41
US7764399B2Jul 27, 2010
Image processing apparatus and method of the same
QUANTA COMP INC0 citations41
US9200747B2Dec 1, 2015
Outer-hanging touch apparatus
QUANTA COMP INC0 citations39