Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11444436 | Semiconductor optical amplifier, semiconductor optical amplification device, optical output device, and distance measuring device | Junichiro HAYAKAWA, Akemi Murakami, Fumio Koyama | 2022-09-13 |