Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11100908 | Keyboard and keyboard component | Shunsuke Saito, Ken Takahashi | 2021-08-24 |
| 10984760 | Musical instrument and vibrator | Banri Abe, Masatsugu Okazaki, Shinji SUMINO, Takuya Abe, Takashi KITAGAWA | 2021-04-20 |
| 10984761 | Key assembly and keyboard apparatus | Kento Ogawa | 2021-04-20 |
| 10891923 | Vibrator and musical instrument | Masatsugu Okazaki, Banri Abe, Shinji SUMINO, Takashi KITAGAWA, Takuya Abe | 2021-01-12 |