Inventor
TSAI MENG JEN
TW26 patents
⚠️ This page may combine multiple inventors who share the name “TSAI MENG JEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEADTREND TECH CORP
18 patentsUS9048723B2Jun 2, 2015
Active feedback control integrated circuit applied to an alternating current/direct current converter and operation method thereof
LEADTREND TECH CORP20 citations92
US9755421B2Sep 5, 2017
Control circuit applied to a power converter and operation method thereof
LEADTREND TECH CORP12 citations83
US10742124B2Aug 11, 2020
Active clamp flyback converter capable of switching operation modes
LEADTREND TECH CORP5 citations73
US10666153B2May 26, 2020
Active clamp flyback converters and control methods thereof
LEADTREND TECH CORP2 citations73
US10691189B2Jun 23, 2020
Line-voltage detection method, power controller and power supply with brown-out protection and brown-in mechanism
LEADTREND TECH CORP4 citations72
US9584030B2Feb 28, 2017
Controller for eliminating acoustic noise of a power converter and related method thereof
LEADTREND TECH CORP2 citations72
US10056823B2Aug 21, 2018
Protection circuit applied to an alternating current power source and related protection method thereof
LEADTREND TECH CORP4 citations70
US10348208B2Jul 9, 2019
Power controllers and control methods thereof for switching mode power supplies
LEADTREND TECH CORP1 citations62
US12149157B2Nov 19, 2024
Controller applied to a power converter and operational method thereof
LEADTREND TECH CORP0 citations61
US12483146B2Nov 25, 2025
Primary-controller with voltage compensation function and operational method thereof
LEADTREND TECH CORP0 citations52
US9882494B2Jan 30, 2018
Switching-mode power supplies capable of operating at valley switching, and relevant control methods
LEADTREND TECH CORP0 citations52
US9331590B2May 3, 2016
Device and method for detecting an average output current of a power converter
LEADTREND TECH CORP0 citations52
US10797591B2Oct 6, 2020
Power controllers with frequency jittering, and control methods thereof
LEADTREND TECH CORP0 citations51
US9843264B2Dec 12, 2017
Controller of a power converter and operation method thereof
LEADTREND TECH CORP0 citations51
US9825534B2Nov 21, 2017
Dummy load controllers and control methods for power supplies capable of quickly lowering output voltage at output node
LEADTREND TECH CORP0 citations51
US9160233B2Oct 13, 2015
Controller for controlling a power converter to output constant power and related method thereof
LEADTREND TECH CORP1 citations51
US9641086B2May 2, 2017
Oscillator applied to a control circuit of a power converter and control method thereof
LEADTREND TECH CORP0 citations41
US9337739B2May 10, 2016
Power controller with over power protection
LEADTREND TECH CORP0 citations41
SEMICONDUCTOR COMPONENTS IND LLC
3 patentsUS10411584B2Sep 10, 2019
Start-up circuit to discharge EMI filter for power saving of power supplies
SEMICONDUCTOR COMPONENTS IND LLC2 citations71
US10971992B2Apr 6, 2021
Start-up circuit to discharge EMI filter for power saving of power supplies
SEMICONDUCTOR COMPONENTS IND LLC0 citations61
US10193435B2Jan 29, 2019
Start-up circuit to discharge EMI filter for power saving of power supplies
SEMICONDUCTOR COMPONENTS IND LLC0 citations50