Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8576480 | Optical amplifier and an optical amplification method | — | 2013-11-05 |
| 7989754 | Optical circuit and method for measuring monitor characteristic | — | 2011-08-02 |
| 6977772 | Direct optical amplifier correlating average level of main signal with level of pilot tone signal | — | 2005-12-20 |