Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661958 | Optical fiber and nonlinear optical fiber, optical amplifier and wavelength converter using the same, and method of making optical fiber | Masashi Onishi, Toshiaki Okuno | 2003-12-09 |
| 6658190 | Optical fiber and optical communication system including the same | Takatoshi Kato | 2003-12-02 |
| 6522821 | Dispersion-compensating optical fiber and optical transmission system including the same | Motonori Nakamura, Takatoshi Kato | 2003-02-18 |
| 6519403 | Optical fiber and method of making the same | Masashi Onishi, Yoshio Yokoyama | 2003-02-11 |