Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819828 | Method and device for optical fiber transmission | Tsukasa Takahashi, Yoichi Oikawa | 2004-11-16 |
| 6674567 | Raman excitation control method and optical transmission system using the same | Futoshi Izumi, Shota Mori, Tsukasa Takahashi, Hideki Kobayashi | 2004-01-06 |