Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474108 | Fiber preform method with a hot drill-in step for a Ge-doped tube and an F-doped rod | Masashi Onishi, Yoshio Yokoyama | 2002-11-05 |
| 6477306 | Dispersion-compensating optical fiber, and, optical transmission line and dispersion-compensating module respectively including the same | Takatoshi Kato | 2002-11-05 |
| 6400877 | Negative-dispersion optical fiber and optical transmission line incorporating the same | Takatoshi Kato | 2002-06-04 |
| 6374027 | Optical fiber transmission-line | Masashi Onishi, Takatoshi Kato | 2002-04-16 |