Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8781270 | Optical cross-connect apparatus | Yasuko Nozu, Kohei Ichimura | 2014-07-15 |
| 7039314 | Communication system | — | 2006-05-02 |
| 5978354 | Optical transmission system and transmission line switching control method | Hatsumi Iino, Fumihiro Ikawa, Kanji Naito, Junichi Moriyama | 1999-11-02 |