Junfeng DU

City:

Sichuan

Country:

China

Published Applications:

Last publication date:

2020-12-24

Top Assignees for applications by Junfeng DU

The entities that hold a legal rights for patent applications filed by inventor DU Junfeng:

Junfeng DU from Sichuan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Method for figure correction of optical element by reactive ion etching

InventorID:

2944139 ⎘