Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433925 | Optical fiber amplifier and optical transmission system using the same | Ichiro Yokota, Junya Kosaka, Takayuki Suzuki | 2002-08-13 |
| 6393182 | Optical fiber and method for coupling optical fibers | — | 2002-05-21 |