AS

Akihiko Sugiyama

NE Nec: 1 patents #251 of 1,039Top 25%
📍 Tokyo, MO: #41 of 86 inventorsTop 50%
Overall (2004): #265,648 of 270,089Top 100%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6700977 Method and apparatus for cancelling multi-channel echo — 2004-03-02