Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223659 | Electronic musical instrument with automatic accompaniment based on fingerboard fingering | Shiro Ishiguro, Akinori Matsubara | 1993-06-29 |
| 4966052 | Electronic musical instrument | Shiro Ishiguro, Akinori Matsubara | 1990-10-30 |