Issued Patents All Time
Showing 1–11 of 11 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 |
| 5406021 | Electronic musical instrument which prevents tone generation for partial keystrokes | — | 1995-04-11 |
| 5248846 | Musical instrument incorporating a Helmholtz resonator | Yoichi Misawa, Toshiyuki Suzuki | 1993-09-28 |
| 5031500 | Keyboard instrument | Yoichi Misawa, Toshiyuki Suzuki | 1991-07-16 |
| 4781099 | Musical quiz apparatus | — | 1988-11-01 |
| 4633752 | Operating panel device in electronic musical instrument | Takamichi Masubuchi | 1987-01-06 |
| 4602544 | Performance data processing apparatus | Shigeru Yamada, Koichi Kozuki | 1986-07-29 |
| 4538500 | Apparatus for printing out graphical patterns | Koichi Kozuki | 1985-09-03 |
| 4506580 | Tone pattern identifying system | — | 1985-03-26 |
| 4485716 | Method of processing performance data | — | 1984-12-04 |
| 4453439 | Electronic musical instrument with game function | — | 1984-06-12 |