Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889026 | Sequencer unit of electronic musical instrument | — | 1989-12-26 |
| 4887504 | Automatic accompaniment apparatus realizing automatic accompaniment and manual performance selectable automatically | Eisaku Okamoto | 1989-12-19 |
| 4839810 | Automatic rhythm performance apparatus having ending performance function | — | 1989-06-13 |
| 4813327 | Musical tone control signal generating apparatus for electronic musical instrument | — | 1989-03-21 |