Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9343872 | Optical amplification device and optical amplification method | Setsuo Yoshida | 2016-05-17 |
| 9258062 | Optical amplification device and optical amplification method | Setsuo Yoshida | 2016-02-09 |