Richtek Technology Corp.

Taiwan, Province of China


 
Total IP 579
Total IP Rank # 2,264
IP Activity Score 3.3/5.0    366
IP Activity Rank # 1,943
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

558 13
0 0
0 0
8
 
Last Patent 2025 - Junction field effect transistor...
First Patent 2002 - Apparatus and method for balanci...
Last Trademark 2024 - ColdBridge
First Trademark 2003 - YOUR POWER PARTNER

Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Electronic device having multiple speakers controlled by a single functional chip. An electronic...
G/S Computer memory devices; computers; Circuit boards; Digital to analogue converters; Analog-to-dig...
G/S Computer memory devices; computers; circuit boards; digital-to-analog converters; analog-to-digit...
Invention High voltage device and manufacturing method thereof. A high voltage device includes: a semicond...
Invention Multi-phase conversion circuit and control method thereof. A multi-phase conversion circuit incl...
Invention Chip packaging method and chip package unit. A chip packaging method includes: providing a wafer...
Invention Multi-level switching converter circuit and multi-level switching conversion method. A multi-lev...
Invention Resonant half-bridge flyback power converter with skipping cycles and control method thereof. A r...
Invention Adaptive slew rate resonant power converter and conversion control circuit and control method the...
Invention Bus configuration system and method thereof. A bus configuration system includes a plurality of ...
2023 Invention Pull-up voltage detection circuit and pull-up voltage detection method. A pull-up voltage detect...
Invention Temperature compensated oscillator and ring oscillator temperature compensation method. A temper...
Invention Multi-phase switching converter and control method thereof. A multi-phase switching converter inc...
Invention Lead frame and package method. A lead frame includes: a die pad having a die disposing area; a p...
Invention Body bias circuit and body bias generation method. A body bias circuit configured to generate a ...
Invention High precision inductor current emulator circuit and emulation control circuit and control method...
Invention Wireless power transmitter circuit and method capable of detecting wireless power receiver and fo...
Invention Switching converter having audible noise suppression and conversion control circuit and method th...
Invention Switching converter having pulse skipping mode and control method thereof. A switching converter...
Invention Switching converter and control circuit and discontinuous conduction mode control method thereof....
Invention Switching regulator and control method thereof. A switching regulator includes: a power stage ci...
Invention Charging/discharging power conversion system and auxiliary current control circuit and control me...
Invention Reference voltage generator circuit with reduced manufacturing steps. A reference voltage genera...
Invention High efficiency switching converter and conversion control circuit and method thereof. A switchi...
Invention Wireless power transmitter circuit having low power groping and control circuit and method thereo...
Invention Half-bridge driver and half-bridge driving method having slew rate adjustment function. A half-b...
Invention Switching converter having linear conversion function and conversion control circuit and method t...
Invention Multi-phase switching converter and control method thereof. A multi-phase switching converter, in...
Invention Wireless power transmitter circuit having ovp control for receiver circuit and control circuit an...
Invention Junction field effect transistor device and method of manufacturing the same. A junction field e...
Invention Flyback power converter and secondary side power supply circuit and control method thereof. A fl...
Invention Switching regulator and operation clock signal generator circuit and control method thereof. A s...
Invention Buck-boost switching converter and control method thereof. A buck-boost switching converter for ...
Invention Wireless power transmitter circuit capable of detecting misalignment and control circuit and meth...
Invention Class-d amplifier circuit. A class-D amplifier circuit includes an amplifier circuit, a PWM circ...
Invention Power supply system and power factor correction control circuit and control method thereof. A po...
Invention Multilevel buck converter with valley current mode control and dual slope compensation. A multil...
Invention Voltage regulator for use in flyback converter. A voltage regulator for converting an input volt...
Invention Dimming circuit and method for use in dimming control. A dimming circuit is configured to genera...
Invention Switching regulator and control circuit thereof and quick response method. A switching regulator...
Invention Power conversion system and method thereof. A power conversion system includes: first and second ...
Invention High efficiency power conversion circuit having high voltage tolerance. A power conversion circu...
Invention Resonant flyback power converter and switching control circuit and method thereof. A switching c...
Invention Package structure and packaging method. A package structure, includes: a lead frame, having a di...
Invention Switching power converter having fixed frequency during current limit operation and control circu...
Invention Packaging method. A packaging method, includes: providing a continuous multi-package structure, ...
Invention Resonant flyback power converter and switching control circuit and method thereof. A resonant fl...
Invention Resonant ahb flyback power converter and switching control circuit thereof. A resonant asymmetri...
G/S computer programming; computer software design; computer software consultancy; computer system de...
G/S computer memory devices; computers; circuit boards; digital to analogue converters; analogue to d...
Invention Wireless power transmission device and operation method thereof. A wireless power transmission d...
2022 Invention Power converter and control method for power converter. A power converter that properly copes wi...
Invention Electronic device having multiple speakers controlled by a single functional chip. An electronic ...
G/S Computer memory devices; Computers; Circuit boards; Digital to analog converters (DACs); Analog t...
G/S Computer programming; Computer software design; Computer software consultancy; Computer system de...
2020 G/S Microcircuits; Microcontrollers; Circuit boards; Integrated circuit cards and components; Integra...
2015 G/S Computer programming; Computer software design; Computer system design services; Computer systems...
2013 G/S Amplifiers; Apparatus for recording, transmission, processing and reproduction of sound, images o...
2012 G/S [ Amplifiers; Apparatus for recording, transmission, processing and reproduction of sound, images...
G/S Computer memories; Computers; Computer storage devices, namely, high-speed storage subsystems for...
2011 G/S Amplifiers; [ Apparatus for recording, transmission, processing and reproduction of sound, images...
2010 G/S Computer chips in the nature of integrated circuits; [ Computers; Computer memories; ] Semi-condu...
G/S Chips [integrated circuits]; Computers; Computer memories; Semi-conductors; Transformers [electri...
G/S Chips (integrated circuits); semi-conductors; transformers (electricity); transistors (electronic...
2003 G/S Integrated circuits; voltage regulators for electric power; electric converters; electric control...