Inventor record

HAN QINGYOU

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.

• 94Qingyou Han39 patent records·72 citations·B22D B22C B22F39 on this record
• 7HAN QINGYOU3 patent records·0 citations·B01F B22D C23C3 on this record

Inventor identities via PatentsView disambiguation — see methodology.