Inventor

CHANG JACK

TW19 patents

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

CHANG JACK

CHANG JACK

Espresso/cappuccino machine

Baby crib with slidably lockable fence member

Photoelectric controlled garbage disposal equipment

DYNAFLO IND CORPORATION

Faucet

Faucet

HITACHI GLOBAL STORAGE TECH

Magnetic thin film media with an underlayer of CrMoZr, CrMoNb or CrMoMn

Media for recording devices

GP ACOUSTICS INTERNAT LTD

Earpiece

(unassigned)

Oval-tracked exercise device

UMAX DATA SYSTEMS INC

Scanner

WINBOND ELECTRONICS CORP

Scaled video output overlaid onto a computer graphics output

EVERTEK IND INC

Faucet

CALIFORNIA EXOTIC NOVELTIES LLC

Miniature vibrator

WINBOND ELECTRONIC CORP

Address range setting method and apparatus for a computer expansion card

LEADTEK RESEARCH INC

Community dialing circuit apparatus for pots phone and IP phone

HITACHI GLOBAL STORAGE TECH NL

Media for recording devices

OBRIST CLOSURES SWITZERLAND

Tamper-evident pouch closure

Jopen LLC

Vibrating glass massager

TRACE STORAGE TECHNOLOGY CORP

Low noise magnetic recording media having a interlayer film