Dandan Han

City:

Beijing

Country:

China

Published Applications:

Last publication date:

2025-07-10

Top Assignees for applications by Dandan Han

The entities that hold a legal rights for patent applications filed by inventor Han Dandan:

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

ANALYTIC METHOD AND DEVICE FOR QUANTITATIVELY CALCULATING LINE EDGE ROUGHNESS IN PLASMA ULTRA-DIFFRACTION PHOTOETCHING PROCESS

OPTICAL METHOD AND APPARATUS FOR QUICKLY REALIZING PRECISE CALIBRATION OF LITHOGRAPHY SYSTEM

InventorID:

6811181 ⎘