P

Inventor

LIU KUO-CHI

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

RICHTEK TECHNOLOGY CORP

41 patents
US9853486B2Dec 26, 2017

Resonant wireless power receiver circuit and control method thereof

RICHTEK TECHNOLOGY CORP24 citations94
US12136876B2Nov 5, 2024

Switched capacitor voltage converter circuit

RICHTEK TECHNOLOGY CORP6 citations75
US11736007B2Aug 22, 2023

Resonant switching power converter having charging/discharging duration period related to charging/discharging resonant frequency

RICHTEK TECHNOLOGY CORP4 citations75
US11671002B2Jun 6, 2023

Resonant switching power converter

RICHTEK TECHNOLOGY CORP5 citations75
US11646654B2May 9, 2023

Resonant switching power converter capable of performing discharging operation in a sequential order

RICHTEK TECHNOLOGY CORP6 citations75
US11552547B2Jan 10, 2023

Resonant switching power converter

RICHTEK TECHNOLOGY CORP4 citations75
US12136877B2Nov 5, 2024

Switched capacitor voltage converter circuit and switched capacitor voltage conversion method

RICHTEK TECHNOLOGY CORP2 citations73
US11955884B2Apr 9, 2024

Resonant switching power converter circuit

RICHTEK TECHNOLOGY CORP2 citations73
US11742751B2Aug 29, 2023

Resonant switching power converter

RICHTEK TECHNOLOGY CORP2 citations73
US11716020B2Aug 1, 2023

SCC-based DC-DC power conversion system capable of receiving switching control adjustable by output voltage thereof, and power conversion method thereof

RICHTEK TECHNOLOGY CORP2 citations73
US11682966B2Jun 20, 2023

Pipeline resonant and non-resonant switched capacitor converter circuit

RICHTEK TECHNOLOGY CORP3 citations73
US11601048B2Mar 7, 2023

Resonant switching power converter

RICHTEK TECHNOLOGY CORP3 citations73
US11418112B2Aug 16, 2022

Power converter

RICHTEK TECHNOLOGY CORP2 citations73
US11411493B2Aug 9, 2022

Two-stage power converter

RICHTEK TECHNOLOGY CORP2 citations73
US9853505B2Dec 26, 2017

Resonant wireless power receiver circuit and control circuit and wireless power conversion method thereof

RICHTEK TECHNOLOGY CORP2 citations73
US9059585B2Jun 16, 2015

Self-discharge control for an EMI filter capacitor

RICHTEK TECHNOLOGY CORP5 citations71
US12176811B2Dec 24, 2024

Switched capacitor voltage converter circuit and switched capacitor converter control method

RICHTEK TECHNOLOGY CORP1 citations63
US12136875B2Nov 5, 2024

Switched capacitor voltage converter circuit and switched capacitor voltage conversion method

RICHTEK TECHNOLOGY CORP2 citations63
US11283298B2Mar 22, 2022

Resonant wireless power transmitter circuit and control circuit and control method thereof

RICHTEK TECHNOLOGY CORP1 citations62
US12431802B2Sep 30, 2025

Multilevel buck converter with valley current mode control and dual slope compensation

RICHTEK TECHNOLOGY CORP0 citations61
US8350539B2Jan 8, 2013

Frequency modulation control of a buck-boost power converter

RICHTEK TECHNOLOGY CORP2 citations61
US8368375B2Feb 5, 2013

Switching regulator with transient control function and control circuit and method therefor

RICHTEK TECHNOLOGY CORP2 citations57
US12567803B2Mar 3, 2026

Conversion control circuit for controlling a resonant power converter and control method thereof

RICHTEK TECHNOLOGY CORP0 citations52
US12519394B2Jan 6, 2026

Multi-level switching converter circuit and multi-level switching conversion method

RICHTEK TECHNOLOGY CORP0 citations52
US12456913B2Oct 28, 2025

Resonant switched capacitor voltage converter and control method thereof

RICHTEK TECHNOLOGY CORP0 citations52
US12407248B2Sep 2, 2025

Feedforward frequency response for resonant charge pump

RICHTEK TECHNOLOGY CORP0 citations52
US12362665B2Jul 15, 2025

Power converter for reducing switching loss and enhancing system efficiency and control method thereof

RICHTEK TECHNOLOGY CORP0 citations52
US12273035B2Apr 8, 2025

Control circuit and method for use in stackable multiphase power converter

RICHTEK TECHNOLOGY CORP0 citations52
US12199507B2Jan 14, 2025

Multi-phase switching converter and control method thereof

RICHTEK TECHNOLOGY CORP0 citations52
US12199506B2Jan 14, 2025

Switched capacitor voltage converter circuit and control method of switched capacitor converter

RICHTEK TECHNOLOGY CORP0 citations52
US12199516B2Jan 14, 2025

Multi-phase switching converter and control method thereof

RICHTEK TECHNOLOGY CORP0 citations52
US12184168B2Dec 31, 2024

Switched capacitor voltage converter circuit and switched capacitor voltage conversion method

RICHTEK TECHNOLOGY CORP0 citations52
US11742760B2Aug 29, 2023

Resonant switching power converter and driving circuit thereof

RICHTEK TECHNOLOGY CORP0 citations52
US10680463B2Jun 9, 2020

Resonant wireless power transmitter circuit and control circuit and control method thereof

RICHTEK TECHNOLOGY CORP0 citations52
US9958886B2May 1, 2018

Tunable DC voltage generating circuit

RICHTEK TECHNOLOGY CORP0 citations52
US9853506B2Dec 26, 2017

Resonant wireless power receiver circuit and control circuit and wireless power conversion method thereof

RICHTEK TECHNOLOGY CORP1 citations52
US9825525B2Nov 21, 2017

Tunable DC voltage generating circuit

RICHTEK TECHNOLOGY CORP0 citations52
US9823675B2Nov 21, 2017

Tunable DC voltage generating circuit

RICHTEK TECHNOLOGY CORP0 citations52
US11382177B2Jul 5, 2022

Heating apparatus and temperature control circuit and temperature control method thereof

RICHTEK TECHNOLOGY CORP0 citations51
US11340645B2May 24, 2022

Power conversion apparatus for tracking maximum power point and control method thereof

RICHTEK TECHNOLOGY CORP0 citations51
US11139670B2Oct 5, 2021

Charger circuit with temperature compensation function and controller circuit thereof

RICHTEK TECHNOLOGY CORP0 citations51

CHEN WEN-WEI

2 patents

HON HAI PREC IND CO LTD

2 patents

HUANG PEI-CHENG

2 patents

LEE YEN-TE

1 patent

LIU KUO-CHI

1 patent

TSENG SHENG-YU

1 patent

Showing the top 50 of 61 patents by PatentIndex Score.