TA

Tomiyuki Arakawa

OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
Overall (All Time): #2,153,439 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7164822 Variable optical gain control device — 2007-01-16
6687446 Optical waveguide device and manufacturing method therefor — 2004-02-03