Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10805710 | Acoustic device and acoustic processing method | Naoki Yasuraoka, Yukio Tada, Jun Inoue, Jun Usui, Mitsuki Arita +3 more | 2020-10-13 |
| 10614727 | Musical instrument practice system, playing practice implementation device, content reproduction system, and content reproduction device | Yuji Takahashi, Kenichi Shiba, Jun Usui, Kouki Hayafuchi, Kenichi Yamauchi | 2020-04-07 |