Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7925040 | Speaker | Hideo Kitazawa, Akinori Ushikoshi, Kenji Yokoyama | 2011-04-12 |
| 7864976 | Speaker | Hideo Kitazawa, Akinori Ushikoshi, Kenji Yokoyama | 2011-01-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7925040 | Speaker | Hideo Kitazawa, Akinori Ushikoshi, Kenji Yokoyama | 2011-04-12 |
| 7864976 | Speaker | Hideo Kitazawa, Akinori Ushikoshi, Kenji Yokoyama | 2011-01-04 |