Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081881 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Eiji Oki, Masaru Katayama, Satoru Okamoto | 2011-12-20 |
| 7894368 | OVPN system, OVPN terminating device, collective controlling device, and optical communication network | Satoru Okamoto, Masaru Katayama, Naoaki Yamanaka | 2011-02-22 |