Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076129 | Apparatus for opening and closing the cover for a keyboard of a musical instrument | — | 1991-12-31 |
| 4667563 | Key apparatus for electronic musical instrument | Masaji Miyano | 1987-05-26 |