Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10965094 | Wavelength-tunable laser device | Kazuaki Kiyota, Yasutaka Higa | 2021-03-30 |
| 10923880 | Semiconductor laser device, diffraction grating structure, and diffraction grating | Kazuaki Kiyota | 2021-02-16 |