Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774294 | Key for musical instrument | Hidenori Kugimoto, Jun Ishii | 2004-08-10 |
| 6693235 | Key for musical instrument | — | 2004-02-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774294 | Key for musical instrument | Hidenori Kugimoto, Jun Ishii | 2004-08-10 |
| 6693235 | Key for musical instrument | — | 2004-02-17 |