Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7329812 | Electronic musical instrument | Hiroki Nakaya | 2008-02-12 |
| 5175386 | Keyboard instrument with keyboard cover mechanism | — | 1992-12-29 |
SK
Shigetoshi Kuwahara
Overall (All Time): #2,143,170 of 4,157,543Top 55%
2
Patents All Time