Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8054538 | Raman amplification apparatus and distributed raman amplification system as well as starting up method for distributed raman amplification system | Kiyotoshi Noheji, Masanori Kondoh, Togo Fukushi | 2011-11-08 |
| 8049955 | Optical amplification apparatus, optical communication apparatus, and optical communication method | Yasushi Sugaya, Togo Fukushi, Masanori Kondoh, Kiyotoshi Noheji, Takashi Hayasaka | 2011-11-01 |
| 8050574 | Optical receiving apparatus and optical level adjusted quantity setting method therefor | — | 2011-11-01 |
| 8004751 | Wavelength division multiplexing optical transmission system utilizing distributed raman amplification | Kiyotoshi Noheji, Togo Fukushi, Masanori Kondoh | 2011-08-23 |
| 7933063 | Monitoring method and apparatus of noise light due to Raman amplification and optical communication system using the same | — | 2011-04-26 |