Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891662 | Optical amplifier and method for amplifying wavelength multiplexed transmission signal light | Yasushi Sugaya, Etsuko Hayashi, Sinya Inagaki, Norifumi Shukunami | 2005-05-10 |
| 6873457 | Optical amplifier, excitation light source control method for use in optical amplifier, and optical amplifier control method | Susumu Kinoshita | 2005-03-29 |