Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11595139 | Device and method for estimating communication quality | Junichi Sugiyama | 2023-02-28 |
| 11588550 | Optical transmission device and optical transmission system | Junichi Sugiyama | 2023-02-21 |