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