Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621620 | Optical amplification system using Raman amplification | — | 2003-09-16 |
| 6532102 | Optical amplifier | Hideki Kobayashi, Tsukasa Takahashi, Futoshi Izumi, Shota Mori | 2003-03-11 |