Xia CAO

City:

Beijing

Country:

China

Published Applications:

Last publication date:

2026-02-05

Top Assignees for applications by Xia CAO

The entities that hold a legal rights for patent applications filed by inventor CAO Xia:

Xia CAO from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

POWER GENERATION DEVICE, METHOD AND PORTABLE POWER THEREOF

SELF-DRIVING PULSE MICROCURRENT COSMETIC MASK

Self-generating power supply apparatus

InventorID:

5629018 ⎘