Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641928 | Musical instrument having a chord detecting function | Yoshiko Fukushima | 1997-06-24 |
YT
Yutaka Tohgi
Overall (1997): #53,708 of 185,788Top 30%
1
Patents 1997