Qingfeng Xu

City:

Waterloo

Country:

Canada

Published Applications:

Last publication date:

2011-11-24

Top Assignees for applications by Qingfeng Xu

The entities that hold a legal rights for patent applications filed by inventor Xu Qingfeng:

Qingfeng Xu from Waterloo, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

Single-sided speech quality measurement

InventorID:

3482752 ⎘