Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9332326 | Optical transmission device and monitoring method of optical signal | Akihiro Mukai, Takaaki Itose, Ichiro Nakajima, Yoshinobu Matsukawa | 2016-05-03 |
| 7684382 | Provider network for providing L-2 VPN services and edge router | Kenichi Ishii, Colin Peters, Shinichi Kuranari | 2010-03-23 |