Inventor
CHEN CHUN-CHIH
TW39 patents
⚠️ This page may combine multiple inventors who share the name “CHEN CHUN-CHIH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VANGUARD INT SEMICONDUCT CORP
11 patentsUS11652477B2May 16, 2023
Voltage tracking circuits and electronic circuits
VANGUARD INT SEMICONDUCT CORP4 citations74
US10867989B2Dec 15, 2020
Driving circuit having electrostatic discharge protection
VANGUARD INT SEMICONDUCT CORP4 citations72
US12500411B2Dec 16, 2025
Trigger circuit and operating circuit
VANGUARD INT SEMICONDUCT CORP0 citations62
US12334920B2Jun 17, 2025
Level shifter
VANGUARD INT SEMICONDUCT CORP1 citations62
US12107415B2Oct 1, 2024
Electrostatic discharge protection circuit and electronic circuit
VANGUARD INT SEMICONDUCT CORP0 citations62
US11894430B2Feb 6, 2024
Semiconductor structure
VANGUARD INT SEMICONDUCT CORP0 citations52
US12500410B2Dec 16, 2025
Driving circuit
VANGUARD INT SEMICONDUCT CORP0 citations50
US11940828B2Mar 26, 2024
Voltage tracking circuits with low power consumption and electronic circuits using the same
VANGUARD INT SEMICONDUCT CORP0 citations50
US11387649B2Jul 12, 2022
Operating circuit having ESD protection function
VANGUARD INT SEMICONDUCT CORP0 citations50
US11164979B1Nov 2, 2021
Semiconductor device
VANGUARD INT SEMICONDUCT CORP0 citations49
US10784252B2Sep 22, 2020
Electrostatic discharge protection circuit
VANGUARD INT SEMICONDUCT CORP0 citations40
PIXART IMAGING INC
3 patentsUS10698996B2Jun 30, 2020
Wearable device having higher security and skin sensor equipped thereon
PIXART IMAGING INC3 citations73
US10891362B2Jan 12, 2021
Wearable device having higher security and skin sensor equipped thereon
PIXART IMAGING INC1 citations62
US11864864B2Jan 9, 2024
Wearable device and method for performing registration process in the wearable device
PIXART IMAGING INC0 citations45