Sen YAN

City:

Kunming

Country:

China

Published Applications:

Last publication date:

2025-10-02

Top Assignees for applications by Sen YAN

The entities that hold a legal rights for patent applications filed by inventor YAN Sen:

Sen YAN from Kunming, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

METHOD FOR TREATING POLLUTED ACIDIC WASTEWATER FROM SMELTING WITH ACTIVATED PYRITE CONCENTRATE

Method for extracting germanium based on acid decomposition

InventorID:

6901315 ⎘