Inventor

CHANG YU-CHENG

TW78 patents

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

CHANG YU-CHENG

O2MICRO INT LTD

Sequential burst mode activation circuit

Sequential burst mode activation circuit

Sequential burst mode activation circuit

Integrated circuit capable of synchronization signal detection

QUANTA COMP INC

Cover apparatus for server chassis

Cable release device and method for releasing a cable

Fan module with pivoting lever and efficient space utilization

Eye bolt assemblies and methods of installing the same

CHANG YU-CHENG

Optical reading head of scanning apparatus

Thin film transistor substrate and method for manufacturing same

Liquid-crystal display television

Touch sensing method and touch sensing apparatus of charge distribution type

ALFASEMI INC

Power line resistance sensing device

Filament simulation circuit for LED tube

LED control circuit

Voltage regulation circuit for LED tube

TAIWAN SEMICONDUCTOR MFG CO LTD

Chemical liquid supplying system and method of supplying chemical liquid

Liquid storage for facility chemical supply system

Liquid storage for facility chemical supply system

Method of supplying chemical liquid

ALPHA & OMEGA SEMICONDUCTOR

Voltage/current control apparatus and method

High efficiency single-inductor dual-control loop power converter

Voltage/current control apparatus and method

POWER QUOTIENT INT CO LTD

Flash drive

Electrical connector

Electrical connector

DARWIN PRECISIONS CORP

Backlight module

Light-emitting device, light-emitting module, and backlight module

Light emitting module

MEDIATEK INC

Method, system and circuits for headset crosstalk reduction

Programmable amplifier circuit capable of providing large or larger resistance for feedback path of its amplifier

LEE MING-TOWN

Multi-secured RFID electronic seal

Electronic seal with multiple means of identification and method based on electronic seal for inspecting goods

NAT CHUNG SHAN INST SCIENCE & TECH

Wireless charging module with versatile charging orientation and modularized sensing device therewith

Near field communication electronic bolt

02MICRO INT LTD

Sequential burst mode activation circuit

JIN XUECHENG

Adaptive switch mode LED driver

MITAC INT CORP

Mother board assembly

DIALOG SEMICONDUCTOR INC

Adaptive switch mode LED driver

SHU YIN SUN

Draining device adapted to be disposed within a drain port

CHANG YU CHENG

Voltage/current control apparatus and method

TSAI CHIA-HSIN

USB connector

LUXMILL ELECTRONIC CO LTD

Current control circuit and method thereof for a power converter

(unassigned)

In-line roller skate with an auxiliary wheel system

INVENTEC PUDONG TECH CORP

Display module

ASUSTEK COMP INC

Electronic device and pivot assembly thereof

ELGATO IDISPLAY LTD

Bracket

PRIMAX ELECTRONICS LTD

Optical reading device of scanning apparatus

CHIPMOS TECHNOLOGIES INC

Chip package structure

AALTO UNIV FOUNDATION SR

Ultra-fast coulomb blockade thermometer