Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9767779 | Operator device for electronic musical instrument | Ichiro Osuga, Hiroshi Harimoto | 2017-09-19 |
| 9697816 | Keyboard unit | Ichiro Osuga | 2017-07-04 |
| 9613607 | Keyboard unit | Ichiro Osuga | 2017-04-04 |
| 8420918 | Pedal device, and electronic musical instrument including the pedal device | Kenichi Nishida | 2013-04-16 |