RI

Ryuichi Ikematsu

NE Nec: 1 patents #308 of 890Top 35%
Overall (2017): #257,651 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9609401 Optical switch, optical transmission device, and optical switching method Hitoshi Takeshita, Akio Tajima 2017-03-28