Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11399227 | Wireless earphone charger, wireless earphone and wireless earphone system | Yasuyuki Morimoto, Takashi Nara | 2022-07-26 |
| 11303755 | Conference system | Toru Aikawa | 2022-04-12 |
| 11227618 | Sound signal processing device, sound signal processing method and sound signal processing program | Toru Aikawa, Yasuhito Kikuhara, Yuri Jitsukata | 2022-01-18 |