Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7002735 | Method for detecting disengagement of an optical fiber, an optical fiber amplifier, and a unit of an optical fiber amplifier with a transmission optical fiber | Ryo Sugimoto, Takuya Aizawa, Tetsuya Sakai | 2006-02-21 |