Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8611545 | Surround generation apparatus | — | 2013-12-17 |
| 8195316 | Audio apparatus | — | 2012-06-05 |
| 7920711 | Audio device and method for generating surround sound having first and second surround signal generation units | Masaichi Akiho, Hareo Hamada | 2011-04-05 |