P

Inventor

TANG CHIEN-FU

TW61 patents
⚠️ This page may combine multiple inventors who share the name “TANG CHIEN-FU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICHTEK TECHNOLOGY CORP

32 patents
US10560012B1Feb 11, 2020

ZVS control circuit for use in a flyback power converter

RICHTEK TECHNOLOGY CORP10 citations84
US8350548B2Jan 8, 2013

Frequency control circuit and method for a non-constant frequency voltage regulator

RICHTEK TECHNOLOGY CORP8 citations84
US8704590B2Apr 22, 2014

Control circuit for power converter and method thereof

RICHTEK TECHNOLOGY CORP6 citations83
US7576522B2Aug 18, 2009

Circuit and method for soft start of a switching regulator from a residual voltage

RICHTEK TECHNOLOGY CORP7 citations74
US11303218B2Apr 12, 2022

Low delay time power converter circuit and driver circuit thereof

RICHTEK TECHNOLOGY CORP4 citations73
US10461624B2Oct 29, 2019

Power switch control circuit and open detection method thereof

RICHTEK TECHNOLOGY CORP2 citations73
US10461652B2Oct 29, 2019

Flyback power converter and secondary side control circuit thereof

RICHTEK TECHNOLOGY CORP2 citations73
US9614449B2Apr 4, 2017

Flyback power converter with programmable output and control circuit and control method thereof

RICHTEK TECHNOLOGY CORP3 citations73
US9104216B2Aug 11, 2015

Mixed mode compensation circuit and method for a power converter

RICHTEK TECHNOLOGY CORP5 citations73
US10326351B2Jun 18, 2019

Switching regulator and control circuit thereof

RICHTEK TECHNOLOGY CORP2 citations72
US9130464B2Sep 8, 2015

Soft-start switching power converting apparatus with pulse-frequency modulation technique

RICHTEK TECHNOLOGY CORP5 citations72
US8779806B2Jul 15, 2014

Circuit and method for improving noise immunity of a single-end level shifter in a floating gate driver

RICHTEK TECHNOLOGY CORP4 citations72
US9136766B2Sep 15, 2015

Switching power converting apparatus

RICHTEK TECHNOLOGY CORP2 citations63
US11489439B1Nov 1, 2022

Spike suppression circuit and power converter and control method thereof

RICHTEK TECHNOLOGY CORP0 citations62
US9093914B2Jul 28, 2015

Bootstrap circuit and method for controlling the same

RICHTEK TECHNOLOGY CORP2 citations62
US8717091B2May 6, 2014

Control circuit for power converter and method thereof

RICHTEK TECHNOLOGY CORP2 citations61
US8823424B1Sep 2, 2014

Circuit and method for improving noise immunity of a single-end level shifter in a floating gate driver

RICHTEK TECHNOLOGY CORP3 citations60
US12537446B2Jan 27, 2026

Adaptive slew rate resonant power converter and conversion control circuit and control method thereof

RICHTEK TECHNOLOGY CORP0 citations59
US9270186B2Feb 23, 2016

Voltage converting controller, voltage converting circuit, and control method for voltage converting

RICHTEK TECHNOLOGY CORP2 citations56
US10153703B2Dec 11, 2018

Flyback power converter with programmable output and control circuit and control method thereof

RICHTEK TECHNOLOGY CORP0 citations52
US9964972B2May 8, 2018

Mixed mode compensation circuit

RICHTEK TECHNOLOGY CORP0 citations52
US9703302B2Jul 11, 2017

Mixed mode compensation circuit

RICHTEK TECHNOLOGY CORP0 citations52
US9541929B2Jan 10, 2017

Mixed mode compensation circuit

RICHTEK TECHNOLOGY CORP0 citations52
US9024607B2May 5, 2015

Control circuit for power converter and method thereof

RICHTEK TECHNOLOGY CORP1 citations52
US7800425B2Sep 21, 2010

On-chip mode-setting circuit and method for a chip

RICHTEK TECHNOLOGY CORP1 citations52
US11784570B2Oct 10, 2023

Power path switch circuit

RICHTEK TECHNOLOGY CORP0 citations51
US9219352B2Dec 22, 2015

Power off delay circuit and method, and audio system with power off delay

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
US12556176B2Feb 17, 2026

Gate drive circuit

RICHTEK TECHNOLOGY CORP0 citations48
US11169179B2Nov 9, 2021

Current sensing circuit having self calibration

RICHTEK TECHNOLOGY CORP0 citations47
US9570989B2Feb 14, 2017

Control circuit of power converter with error detection circuit and reverse adjusting circuit

RICHTEK TECHNOLOGY CORP0 citations42

TANG CHIEN-FU

8 patents

TANG CHIEN FU

2 patents

PAN JIUN-HUNG

1 patent

TSENG PEI-KAI

1 patent

LIN KUN-YU

1 patent

LEE YEN-TE

1 patent

CHENG JUNG-PEI

1 patent

CHEN AN-TUNG

1 patent

RICKTEK TECHNOLOGY CORP

1 patent

LIN CHI-HUA

1 patent

Showing the top 50 of 61 patents by PatentIndex Score.