Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480318 | Optical amplifier evaluation method and optical amplifier evaluation instrument | Tohru Mori | 2002-11-12 |
| 6411430 | Optical amplifier | Atsushi Ogino, Yoshihiro Emori, Haruki Ogoshi, Yoshio Tashiro | 2002-06-25 |