Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656789 | Electronic musical instrument having a function to indicate keys to be operated | Akira Nakada, Yasuo Nagahama, Takeo Shibukawa, Masanobu Chihana | 1997-08-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656789 | Electronic musical instrument having a function to indicate keys to be operated | Akira Nakada, Yasuo Nagahama, Takeo Shibukawa, Masanobu Chihana | 1997-08-12 |