Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8554070 | Optical transmission apparatus and optical attenuation amount control method | Shigeru Ishii | 2013-10-08 |
| 8451532 | Control apparatus of optical amplifier | Miki Onaka | 2013-05-28 |
| 8180219 | Providing signal reachability information to a network | Snigdho C. Bardalai, Abinder S. Dhillon, Sanjay Gera, Hideaki Sugiya, Vibha Chhatwal Sarin | 2012-05-15 |