Inventor

HUANG CHIH-FENG

TW52 patents

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

HUANG CHIH-FENG

SYSTEM GENERAL CORP

Isolated high-voltage LDMOS transistor having a split well structure

High voltage LDMOS transistor having an isolated structure

High voltage and low on-resistance LDMOS transistor having equalized capacitance

Semiconductor structure for protecting an internal integrated circuit and method for manufacturing the same

High voltage start up circuit for power converters

Electrostatic discharge device

CMOS compatible process with different-voltage devices

High voltage and low on-resistance LDMOS transistor having radiation structure and isolation effect

Switch circuit to control on/off of a high voltage source

Different-voltage device manufactured by a CMOS compatible process and high-voltage device used in the different-voltage device

Start up circuit of power converter

Electrostatic discharge device having controllable trigger voltage

Electrostatic discharge device with controllable holding current

Electrostatic discharge device integrated with pad

Switching circuit of power converter having voltage-clipping device to improve efficiency

Voltage-controlled semiconductor structure, resistor, and manufacturing processes thereof

Semiconductor structure of a high side driver

Electrostatic discharge protection semiconductor structure

Process of fabricating high resistance CMOS resistor

Semiconductor structure of a high side driver and method for manufacturing the same

Integrated circuit with high voltage junction structure

Semiconductor structure of a high side driver for two high voltage nodes with partially linked deep wells and method for manufacturing the same

Voltage-clipping device with high breakdown voltage

MOSFET with isolation structure and fabrication method thereof

MOSFET with isolation structure for monolithic integration and fabrication method thereof

RICHTEK TECHNOLOGY CORP

Integrated JFET and schottky diode

Power transistor chip with built-in enhancement mode metal oxide semiconductor field effect transistor and application circuit thereof

Driver circuit for improving utilization rate of LED device and related constant current regulator

Control circuit for AC-DC power converter

LED driving device

Power device having lateral insulated gate bipolar transistor (LIGBT) and manufacturing method thereof

Power device including lateral insulated gate bipolar transistor (LIGBT) and manufacturing method thereof

TAIWAN SEMICONDUCTOR MFG

P-type LDMOS device with buried layer to solve punch-through problems and process for its manufacture

P-type LDMOS device with buried layer to solve punch-through problems and process for its manufacture

LDMOS device with double N-layering and process for its manufacture

Method of forming LDMOS device with double N-layering

Method of forming self-aligned twin wells

Pattern for monitoring epitaxial layer washout

PROLIFIC TECHNOLOGY INC

Device for real-time self diagnosis of a fan and the method using the same

Intelligent fan control system with interface compatibility

Intelligent fan with interface compatibility

HUANG CHIH-FENG

Power transistor chip with built-in junction field effect transistor and application circuit thereof

Isolated SCR ESD device

CHIANG CHIU-CHIH

Integrated circuit for a high-side transistor driver

Semiconductor structure with high breakdown voltage and resistance

GRAND PLASTIC TECHNOLOGY CORP

Method for wet etching of high k thin film at low temperature

UNIV NAT CHIAO TUNG

Structure of metal oxide semiconductor field effect transistor

RICHTEK TECHNOLOGY CORP ROC

Integrated PMOS transistor and Schottky diode

WU HSIN-YI

Power supply input voltage detection circuit

CHIU KUO-CHIN

Integrated PMOS transistor and Schottky diode and charging switch circuit employing the integrated device