Inventor

CHANG WEN-CHUN

TW4 patents

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

UNITED MICROELECTRONICS CORP

2 patents

US7759957B2Jul 20, 2010

Method for fabricating a test structure

UNITED MICROELECTRONICS CORP2 citations60

US7649377B2Jan 19, 2010

Test structure

UNITED MICROELECTRONICS CORP4 citations60

CHUAN YEN TECH CO LTD

1 patent

USD1039653SAug 20, 2024

Nozzle

CHUAN YEN TECH CO LTD3 citations63

CHANG WEN-CHUN

1 patent

US8739816B2Jun 3, 2014

Fire hydrant box

CHANG WEN-CHUN2 citations51