Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795629 | Optical fiber and optical communication system using this optical fiber | Kazunori Mukasa | 2004-09-21 |
| 6768848 | Optical fiber and optical transmission line using the same, and optical transmission system | — | 2004-07-27 |
| 6766087 | Nonlinear dispersion-shifted optical fiber, optical signal processing apparatus using said optical fiber and wavelength converter using said optical fiber | Jiro Hiroishi, Ryuichi Sugizaki | 2004-07-20 |