Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11810541 | Electronic musical instrument, power control device for electronic musical instrument, and power control method | Hideaki Koyama | 2023-11-07 |
| D995547 | Display screen or portion thereof with graphical user interface | Hideaki Shiraishi | 2023-08-15 |