Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804441 | Optical fiber, optical fiber component and optical transmission method | Shinichi Arai, Hirofumi Saito | 2004-10-12 |
| 6766089 | Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiber | Shinichi Arai, Ryuichi Sugizaki, Keiichi Aiso, Jun Terada, Hisashi Koaizawa +1 more | 2004-07-20 |
| 6684018 | Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiber | Shinichi Arai, Ryuichi Sugizaki, Keiichi Aiso, Jun Terada, Hisashi Koaizawa +1 more | 2004-01-27 |