Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11462886 | Buried-type semiconductor optical device | Hironori Sakamoto, Shunya YAMAUCHI, Yoshihiro Nakai | 2022-10-04 |
| 11329450 | Electro-absorption optical modulator and manufacturing method thereof | Atsushi Nakamura, Takeshi Kitatani, Kaoru Okamoto | 2022-05-10 |