Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009853 | Headphone device | Tomohiro Ito, Koji Nageno | 2011-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009853 | Headphone device | Tomohiro Ito, Koji Nageno | 2011-08-30 |