Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11227618 | Sound signal processing device, sound signal processing method and sound signal processing program | Kazuhiro Onizuka, Toru Aikawa, Yasuhito Kikuhara | 2022-01-18 |
| 10971169 | Sound signal processing device | Yasuhito Kikuhara, Toru Aikawa | 2021-04-06 |