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 | Masaaki Hirano, Masashi Onishi | 2003-12-09 |
| 6611637 | Dispersion-compensating module | Shinji Ishikawa | 2003-08-26 |
| 6603913 | Single-mode optical fiber having multiple cladding regions for dispersion compensation | — | 2003-08-05 |
| 6542677 | Amplification optical fiber and fiber optic amplifier including the same | — | 2003-04-01 |