Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11444436 | Semiconductor optical amplifier, semiconductor optical amplification device, optical output device, and distance measuring device | Junichiro HAYAKAWA, Daiki Tominaga, Fumio Koyama | 2022-09-13 |
| 11431153 | Semiconductor optical amplifier, light output apparatus, and distance measuring apparatus | Junichiro HAYAKAWA | 2022-08-30 |
| 11362135 | Light emitting element array and optical transmission device | Junichiro HAYAKAWA, Hideo Nakayama, Tsutomu Otsuka | 2022-06-14 |