Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649786 | Electronic musical instrument | Kunihiko Watanabe | 1987-03-17 |
| 4391176 | Electronic musical instrument with musical composition fashion selectors | Kunihiko Watanabe | 1983-07-05 |
| 4356751 | Electronic musical instrument | Kunihiko Watanabe | 1982-11-02 |