Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003871 | Keyboard apparatus | — | 2011-08-23 |
| 7956261 | Pedal apparatus of electronic musical instrument | Toshiyuki Iwamoto, Shigeru Muramatsu, Koichi Saigo | 2011-06-07 |
| 7897860 | Keyboard apparatus | Ichiro Osuga | 2011-03-01 |