Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954304 | Raman amplifier | Toshiki Tanaka | 2005-10-11 |
| 6930823 | Optical transmission method and optical transmission system utilizing Raman amplification | Hiroshi Nakamoto, Naomasa Shimojoh, Toshiki Tanaka | 2005-08-16 |
| 6882466 | Optical amplifier | Naomasa Shimojoh | 2005-04-19 |