Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12183312 | Vibration plate and musical instrument | Banri Abe, Ichiro Osuga, Masatsugu Okazaki, Shinji SUMINO, Takashi KITAGAWA +1 more | 2024-12-31 |
| 10424275 | Upright piano | Keiichi Fukatsu, Azumi Yoshida, Hiroshi Komada, Hitoshi Izutani | 2019-09-24 |