Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11233174 | Semiconductor optical device, optical module, and manufacturing method of semiconductor optical device | Takayuki Nakajima, Yuji SEKINO | 2022-01-25 |
| 11081858 | Optical transmitter module, optical module, optical transmission equipment and method of manufacturing thereof | Shunya YAMAUCHI, Yoshihiro Nakai, Takayuki Nakajima | 2021-08-03 |
| 10230008 | Semiconductor light receiving device, optical receiver module and manufacturing method thereof | Hiroshi Hamada, Yasushi Sakuma, Shigenori Hayakawa | 2019-03-12 |