Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480328 | Optical amplifier and optical amplification method for amplifying wavelength division multiplexed signal light | — | 2002-11-12 |
| 6417960 | Method of equalizing gain utilizing asymmetrical loss-wavelength characteristics and optical amplifying apparatus using same | — | 2002-07-09 |
| 6344914 | Gain equalizer which includes a plurality of optical filters for equalizing the gain of an optical amplifier | Takafumi Terahara, Terumi Chikama | 2002-02-05 |