Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656789 | Electronic musical instrument having a function to indicate keys to be operated | Akira Nakada, Takeo Shibukawa, Masanobu Chihana, Tatsuhiro Koike | 1997-08-12 |
| 5504269 | Electronic musical instrument having a voice-inputting function | — | 1996-04-02 |
| 5406023 | Electronic musical instrument using simplified registration selection | — | 1995-04-11 |
| 4191932 | Voltage-controlled oscillator | — | 1980-03-04 |