Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656789 | Electronic musical instrument having a function to indicate keys to be operated | Yasuo Nagahama, Takeo Shibukawa, Masanobu Chihana, Tatsuhiro Koike | 1997-08-12 |
| 5641930 | Electronic musical apparatus for controlling musical tone using initial touch information | Takeo Shibukawa, Yasuhiro Hinago | 1997-06-24 |