Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10148342 | Relaying device, communication system, and method for relaying audio signal | — | 2018-12-04 |
| 10009737 | Relaying device, voice communication system and voice communication method | Keishiro UWAMORI | 2018-06-26 |