Inventor
HO JYUN-CHE
TW15 patents
⚠️ This page may combine multiple inventors who share the name “HO JYUN-CHE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICHTEK TECHNOLOGY CORP
12 patentsUS9781786B2Oct 3, 2017
Control circuit and method of a LED driver
RICHTEK TECHNOLOGY CORP39 citations93
US10097092B1Oct 9, 2018
Multi-phase switching regulator and control circuit and control method thereof
RICHTEK TECHNOLOGY CORP12 citations83
US9130464B2Sep 8, 2015
Soft-start switching power converting apparatus with pulse-frequency modulation technique
RICHTEK TECHNOLOGY CORP5 citations72
US10177558B1Jan 8, 2019
Overvoltage protection method and buck switching regulator having overvoltage protection function and control circuit thereof
RICHTEK TECHNOLOGY CORP1 citations62
US12483120B2Nov 25, 2025
Power supply system with power factor correction(PFC) and control method thereof
RICHTEK TECHNOLOGY CORP0 citations51
US9203319B2Dec 1, 2015
Soft-start switching power converting apparatus with pulse-frequency modulation technique
RICHTEK TECHNOLOGY CORP0 citations51
US8791725B2Jul 29, 2014
High voltage offset detection circuit
RICHTEK TECHNOLOGY CORP1 citations50
US10498254B2Dec 3, 2019
Power conversion device, slow soft-startup circuit, and power conversion chip
RICHTEK TECHNOLOGY CORP0 citations41
US9966857B2May 8, 2018
AC-to-DC power converter and control method and control integrated circuit thereof
RICHTEK TECHNOLOGY CORP0 citations41
US9263940B2Feb 16, 2016
Power converter and power factor corrector thereof
RICHTEK TECHNOLOGY CORP0 citations41
US9112404B2Aug 18, 2015
Multiplier-divider circuit and AC-to-DC power converting apparatus incorporating the same
RICHTEK TECHNOLOGY CORP0 citations41
US9257900B2Feb 9, 2016
Signal peak detector and detection method, and control IC and method for a PFC converter
RICHTEK TECHNOLOGY CORP0 citations40