Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10498389 | Echo canceller device and voice telecommunications device | Tomoharu Awano, Jun Ishii | 2019-12-03 |
| 10367949 | Echo canceller device and voice telecommunications device | Tomoharu Awano, Jun Ishii | 2019-07-30 |