Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836605 | Optical fiber preform, production method thereof, and optical fiber produced from the preform | Masaaki Hirano, Masashi Onishi | 2004-12-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836605 | Optical fiber preform, production method thereof, and optical fiber produced from the preform | Masaaki Hirano, Masashi Onishi | 2004-12-28 |