Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413903 | External member, external member molding method, and electronic instrument | Hiroki AKAI, Takahiro Moriya, Yoshihiko Sato | 2025-09-09 |
| 12389144 | External member, external member molding method, and electronic instrument | Hiroki AKAI, Takahiro Moriya, Yoshihiko Sato | 2025-08-12 |
| 12347411 | Electronic keyboard instrument | Hiroki AKAI | 2025-07-01 |
| 12300205 | Rotary operation device, and electronic keyboard instrument | — | 2025-05-13 |
| 12185041 | Sound radiation appratus, electronic musical instrument, and sound radiation appratus fabrication method | Hiroki AKAI, Kazuo Shimada, Takahiro Moriya | 2024-12-31 |
| 11551647 | Keyboard instrument | Akihisa Hoshino, Atsushi Oshiro | 2023-01-10 |