Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11563302 | Heater-integrated ridge type optical semiconductor optical device | Akira Nakanishi, Noriko Sasada, Takayuki Nakajima | 2023-01-24 |
| 11233174 | Semiconductor optical device, optical module, and manufacturing method of semiconductor optical device | Masahiro EBISU, Takayuki Nakajima | 2022-01-25 |
| 11196232 | Modulation doped semiconductor laser and manufacturing method therefor | Takayuki Nakajima, Atsushi Nakamura | 2021-12-07 |
| 11112571 | Optical subassembly | Akira Nakanishi, Takayuki Nakajima | 2021-09-07 |