AS

Akihiko Sugiyama

NE Nec: 1 patents #355 of 1,409Top 30%
📍 Tokyo, MO: #48 of 85 inventorsTop 60%
Overall (2003): #267,901 of 273,478Top 100%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6577731 Method and apparatus of cancelling multi-channel echoes — 2003-06-10