Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10702909 | Workpiece conveyance device | Hidetoshi Akashi | 2020-07-07 |
| 4586416 | Rhythm generating apparatus of an electronic musical instrument | — | 1986-05-06 |
| 4502359 | Electronic musical instrument | — | 1985-03-05 |
| 4467440 | Digital filter apparatus with resonance characteristics | Kohtaro Hanzawa | 1984-08-21 |
| 4422156 | Digital filter device | — | 1983-12-20 |
| 4344345 | Automatic rhythm accompaniment system | — | 1982-08-17 |