Inventor

CHANG RICHARD

TW64 patents

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

CHANG RICHARD

WELCOME CO LTD

Sealer

Sealer

Hand-held electric heat sealer

Double-end sealer

Battery-type vacuum-pumping device

Sealing and vacuum-pumping device

Storage electric sealer

Table-top electric heat sealer

Electric heat sealer

Portable air extracting device

Rechargeable sealer with storage function

Electric heat sealer with safety device

Hand-held electric heat sealer

Electric heat sealer with safety device

CHANG RICHARD

Software testing using machine learning

Electric sealer

Electric sealer

Combination of power supply and detachable electric implement

Abrasive apparatus of a sander

Hand-held electric sealer with detachable sealing module

Hand-held electric sealer with dual heads

PLUME DESIGN INC

Thermal management of wireless accessed points based on optimization and operation in a distributed Wi-Fi network

Cloud-based thermal control of wireless access points

Cooling of a compact electronic device

Compact, direct plugged, and high-performance Wi-Fi access point

Local thermal control of wireless access points

Wireless electronic device

CIRRUS LOGIC INC

Stream synchronization method and apparatus for MPEG playback system

Programmable audio-video synchronization method and apparatus for multimedia systems

Memory controller for decoding a compressed/encoded video data frame

Memory controller for decoding a compressed/encoded video data frame

WELCOME COMPANY LTD

Hand-held electric sealer with safety means

Hand-held electric sealer with detachable heat resistant cover sheet

Safety electric sealer having a safety gate

Electric heat sealer with offset sealer portion

(unassigned)

Tea maker

Electric heat sealer with safety device

Timer tea maker

Timer tea maker

KINGSAND MACHINERY LTD

Quickly detachable protective cover unit of a table sawing machine

Manual clutch device for a roller sander for controlling reciprocating movement of a roller

Chisel quickly adjusting and positioning device for a chiselling machine

ALTERA CORP

Highly configurable PLL architecture for programmable logic

Highly configurable PLL architecture for programmable logic

Techniques for dynamically selecting phases of oscillator signals

US ARMY

Method and instrumentation for measuring fluorescence spectra of individual airborne particles sampled from ambient air

SILICON MOTION INC

Auto screen centering and expansion of VGA display modes on larger size of LCD display device

MATTEL INC

Miniature flywheel car for side-wheelie stunts

SCHERING CORP

Dry sustained release theophylline oral formulation

UNITED MICROELECTRONICS CORP

Method of manufacturing flash memory