Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10984760 | Musical instrument and vibrator | Banri Abe, Masatsugu Okazaki, Ichiro Osuga, Shinji SUMINO, Takuya Abe | 2021-04-20 |
| 10891923 | Vibrator and musical instrument | Masatsugu Okazaki, Ichiro Osuga, Banri Abe, Shinji SUMINO, Takuya Abe | 2021-01-12 |