Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795608 | Optical communication link | Tamotsu Kamiya | 2004-09-21 |
| 6775057 | Raman amplifier, optical repeater, and raman amplification method | Yoshihiro Emori, Shu Namiki | 2004-08-10 |