Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9971225 | Spot size converter, semiconductor optical device | — | 2018-05-15 |
| 9885936 | Mach-Zehnder modulator, method for fabricating Mach-Zehnder modulator | Masataka Watanabe | 2018-02-06 |