Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413903 | External member, external member molding method, and electronic instrument | Hirokatsu KATOH, Takahiro Moriya, Yoshihiko Sato | 2025-09-09 |
| 12389144 | External member, external member molding method, and electronic instrument | Hirokatsu KATOH, Takahiro Moriya, Yoshihiko Sato | 2025-08-12 |
| 12347411 | Electronic keyboard instrument | Hirokatsu KATOH | 2025-07-01 |
| 12185041 | Sound radiation appratus, electronic musical instrument, and sound radiation appratus fabrication method | Kazuo Shimada, Hirokatsu KATOH, Takahiro Moriya | 2024-12-31 |
| 12003918 | Electronic musical instrument and electronic keyboard instrument | Ryohei KOBAYASHI, Teruo Jinbo, Kouji OSHIMA, Shingo FUKUSHIMA | 2024-06-04 |