Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10262690 | Signal processing device, signal processing system, signal processing method, and program | Shinji Negishi | 2019-04-16 |
| 10244271 | Audio recording device, audio recording system, and audio recording method | — | 2019-03-26 |