Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10483931 | Audio device, speaker device, and audio signal processing method | Katsumasa KOSUGE | 2019-11-19 |
| 10402150 | Audio-signal processing device, and audio-signal processing method | Ryotaro Aoki | 2019-09-03 |