Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7970278 | Flexible open ring optical network and method | Susumu Kinoshita, Koji Takeguchi, Cechan Tian | 2011-06-28 |
| 7957644 | Flexible open ring optical network and method | Susumu Kinoshita, Koji Takeguchi, Cechan Tian | 2011-06-07 |