Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643060 | Multi-wavelength light source utilizing acousto-optic tunable filter | Naoki Hashimoto | 2003-11-04 |
| 6594069 | Control method and control apparatus of optical wavelength variable filter | Hideyuki Miyata | 2003-07-15 |
| 6583900 | Optical transmission apparatus, optical transmission system, and optical terminal station | Hiroshi Onaka, Hideyuki Miyata, Kazue Otsuka, Yutaka Kai, Terumi Chikama | 2003-06-24 |
| 6549328 | Acousto-optic tunable filter | Shinichi Aoki | 2003-04-15 |