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, Takeo Shibukawa, Masanobu Chihana, Tatsuhiro Koike | 1997-08-12 |
YN
Yasuo Nagahama
Overall (1997): #57,453 of 185,788Top 35%
1
Patents 1997