Issued Patents 2011
Showing 1–3 of 3 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, Miki Onaka | 2011-11-08 |
| 8049955 | Optical amplification apparatus, optical communication apparatus, and optical communication method | Miki Onaka, Yasushi Sugaya, Masanori Kondoh, Kiyotoshi Noheji, Takashi Hayasaka | 2011-11-01 |
| 8004751 | Wavelength division multiplexing optical transmission system utilizing distributed raman amplification | Miki Onaka, Kiyotoshi Noheji, Masanori Kondoh | 2011-08-23 |