Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11694664 | Keyboard musical instrument | Ryohei KOBAYASHI, Kouji OSHIMA, Yuuki NAKAJIMA, Shingo FUKUSHIMA, Mari NAKAJIMA | 2023-07-04 |
| 11670269 | Keyboard instrument | So SATO, Naoya ISHIBASHI, Kouji OSHIMA | 2023-06-06 |
| 11594205 | Switch device, electronic apparatus, and electronic musical instrument | Kouji OSHIMA, Yuuki NAKAJIMA, Mari NAKAJIMA, Ryohei KOBAYASHI, Shingo FUKUSHIMA | 2023-02-28 |