Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6535679 | Optical fiber and method of manufacturing the same | Akira Urano, Toshio Danzuka | 2003-03-18 |
| 6519403 | Optical fiber and method of making the same | Masaaki Hirano, Masashi Onishi | 2003-02-11 |