Inventor

CHANG CHIN-CHEN

TW17 patents

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

CHANG CHIN-CHEN

IND TECH RES INST

Method for extracting and matching gesture features of image

Method for aligning gesture features of image

Fuzzy inference system for simplifying mesh

Li wan yu

Foldable leg rest

Foldable leg rest

Foldable leg rest

(unassigned)

Decorative lights network

Decorative Christmas tree illumination assembly

TAIWAN SEMICONDUCTOR MFG

Valve safety lockout and method for using

Lock structure and method for using thereof

Li wan-yu

Folding table and chair device

Rotatable vehicle seat frame assembly

CHANG CHIN CHEN

Inter-connected non-interlocked chain shape lamp

Combination lock with variable code

WAN YU LI

Multi-functional table and chair device

INFOSEC INFORMATION SECURITY C

Cryptosystem for encrypting digital image or voice file

GOLDEN BAY ENTERPRISES INC

Decorative Christmas tree illumination assembly