Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950230 | Pump light source for Raman amplifier and Raman amplifier using the same | Yoshihiro Emori | 2005-09-27 |
| 6738180 | Optical transmission system | Takeshi Hirasawa, Yoshihiro Emori | 2004-05-18 |