Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296644 | Chord detecting device and automatic accompaniment device | — | 1994-03-22 |
| 5290964 | Musical tone control apparatus using a detector | Teruo Hiyoshi, Kinpara Mamoru, Suzuki Hideo, Akira Nakada, Masao Sakama | 1994-03-01 |
| 5290966 | Control apparatus and electronic musical instrument using the same | — | 1994-03-01 |