Inventor record

CHANG LIU

This page previously combined 2different people who filed under the same name. Pick the inventor you're looking for — each profile now covers one disambiguated person.

• 68Liu Chang3 patent records·92 citations·G06K G11B2 on this record
• 41Liu Chang1 patent record·22 citations·G06Q1 on this record

Inventor identities via PatentsView disambiguation — see methodology.