Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032028 | Optical add/drop device | Yutaka Takita, Yutaka Kai, Kyosuke Sone | 2011-10-04 |
| 8019228 | Optical switching transmission system with timing correction | Kyosuke Sone | 2011-09-13 |
| 8000599 | Optical transmission system and optical transmission method | — | 2011-08-16 |