Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7738671 | Headphone | Tomohiro Ito, Rumi Nakano | 2010-06-15 |
| 7558398 | Headphones | Tomohiro Ito, Rumi Nakano | 2009-07-07 |
| 6744901 | Headphone | Tomohiro Ito, Naotaka Tsunoda | 2004-06-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7738671 | Headphone | Tomohiro Ito, Rumi Nakano | 2010-06-15 |
| 7558398 | Headphones | Tomohiro Ito, Rumi Nakano | 2009-07-07 |
| 6744901 | Headphone | Tomohiro Ito, Naotaka Tsunoda | 2004-06-01 |