Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8189256 | Gain equalizer, optical amplifier, loss compensation method, and optical amplification method | — | 2012-05-29 |
| 7375876 | Optical transmitting apparatus having variable optical transmitting unit including plurality of paths | — | 2008-05-20 |
| 7239441 | Raman amplification repeater | — | 2007-07-03 |
| 7158285 | Raman amplification repeater and optical transmission system using the same | — | 2007-01-02 |
| 7031052 | Optical fiber amplifier | — | 2006-04-18 |
| 6567600 | Optical amplifying medium component and optical fiber amplifier having the same | — | 2003-05-20 |