Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11961499 | Sound signal generation device, keyboard instrument and sound signal generation method | Yasuhiko Oba, Akihiko Komatsu | 2024-04-16 |
| 11922912 | Instrument playing apparatus | Fukutaro Okuyama | 2024-03-05 |