Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490078 | Optical fiber for optical amplifier, optical fiber amplifier and optical fiber laser | Tadashi Enomoto, Masahiro Takagi, Yuichi Ohga, Motoki Kakui, Shinji Ishikawa +1 more | 2002-12-03 |
| 6452717 | Fiber optic amplifier | — | 2002-09-17 |