Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936993 | Chromatic dispersion compensating apparatus | Hiroki Ooi, Takashi Iwabuchi, Junichi Kumasako, George Ishikawa, Tomoo Takahara | 2011-05-03 |
| 7933519 | Optical cross-connect using wavelength selective switches | Yuichi Akiyama, Hiroki Ooi | 2011-04-26 |
| 7873283 | Method of monitoring optical signal to noise ratio and optical transmission system using the same | Yuichi Akiyama | 2011-01-18 |