Inventor
YUAN GUANGKAI
CN12 patents
⚠️ This page may combine multiple inventors who share the name “YUAN GUANGKAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHENZHEN GOODIX TECH CO LTD
11 patentsUS11435855B2Sep 6, 2022
Capacitance detection circuit, touch control chip and electronic device
SHENZHEN GOODIX TECH CO LTD2 citations72
US11086446B2Aug 10, 2021
Touch detection method, touch chip and electronic device
SHENZHEN GOODIX TECH CO LTD3 citations72
US10627959B2Apr 21, 2020
Differential circuit, capacitance detection circuit, touch detection device and terminal device
SHENZHEN GOODIX TECH CO LTD3 citations72
US10788903B2Sep 29, 2020
Signal generating circuit of active pen, active pen and signal driving method
SHENZHEN GOODIX TECH CO LTD3 citations70
US11620018B2Apr 4, 2023
Signal driving method, signal driving apparatus and touch control chip
SHENZHEN GOODIX TECH CO LTD2 citations68
US12197678B2Jan 14, 2025
Signal driving method, signal driving apparatus and touch control chip preliminary class
SHENZHEN GOODIX TECH CO LTD1 citations59
US11326907B2May 10, 2022
Circuit and method for capacitance detection, touch chip and electronic device
SHENZHEN GOODIX TECH CO LTD0 citations59
US11093073B2Aug 17, 2021
Touch control chip, touch detection method, touch detection system and electronic device
SHENZHEN GOODIX TECH CO LTD0 citations51
US11275468B2Mar 15, 2022
Capacitance detection circuit, touch control chip and electronic device
SHENZHEN GOODIX TECH CO LTD0 citations49
US11301093B2Apr 12, 2022
Positive and negative voltage driving circuit, chip, active stylus and driving method
SHENZHEN GOODIX TECH CO LTD0 citations47
US11275428B2Mar 15, 2022
Capacitance detection circuit, touch control chip and electronic device
SHENZHEN GOODIX TECH CO LTD0 citations46