AS

Akinobu Sato

NE Nec: 2 patents #77 of 1,039Top 8%
Overall (2004): #74,216 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6833957 Tunable filter, manufacturing method thereof and optical switching device comprising the tunable filter 2004-12-21
6798936 Optical switching system and optical switching method 2004-09-28