Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686684 | Effect adaptor attachable to karaoke machine to create harmony chorus | Yuichi Nagata, Mikio Kitano | 1997-11-11 |
MY
Masao Yoshida
Overall (1997): #105,690 of 185,788Top 60%
1
Patents 1997