Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7956261 | Pedal apparatus of electronic musical instrument | Toshiyuki Iwamoto, Mitsuru Kitajima, Koichi Saigo | 2011-06-07 |
| 7893334 | Pedal apparatus of electronic musical instrument | Toshiyuki Iwamoto, Hisashi Takeyama | 2011-02-22 |