Inventor

CHANG CHIH-KANG

TW2 patents

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

EVERLIGHT USA INC

1 patent

US7915322B2Mar 29, 2011

Polymerizable water-soluble or alcohol-soluble ultraviolet absorber

EVERLIGHT USA INC5 citations54

POWER GEODE TECHNOLOGY CO LTD

1 patent

US7017627B2Mar 28, 2006

Nitrogen-filling system

POWER GEODE TECHNOLOGY CO LTD3 citations51