Inventor · disambiguated record

Changmai Zhang

Also filed as: Zhang Changmai

2 granted patents·1 pending application·0 citations·filing 2024–2024

22Inventor score

Technology areasA45D

Files withSHYA HSIN PACKAGING IND CHINA CO LTD3

Top patents by PatentIndex Score

3 records

0170US12391443B1Packaging containerSHYA HSIN PACKAGING IND CHINA CO LTD·Filed 2024·Granted Aug 19, 2025·0 cites·18 claims
0264US12478164B2Retractable press makeup penSHYA HSIN PACKAGING IND CHINA CO LTD·Filed 2024·Granted Nov 25, 2025·0 cites·11 claims
0360US2025331631A1Split applicator and packaging container including sameSHYA HSIN PACKAGING IND CHINA CO LTD·Filed 2024·Application pending·0 cites

Join the waitlist — get patent alerts

Get an alert when Changmai Zhang files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →