Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702584 | Karaoke device with built-in microphone and microphone therefor | Hiromu Ueshima | 2004-03-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702584 | Karaoke device with built-in microphone and microphone therefor | Hiromu Ueshima | 2004-03-09 |