Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006802 | Acoustic structure and acoustic room | — | 2011-08-30 |
| 7961894 | Engine sound processing system | — | 2011-06-14 |
| 7925006 | Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus | Toru Hirai, Mikio Tohyama, Hiraku Okumura, Hiroshi Iriyama, Koji Niimi | 2011-04-12 |
| 7925008 | Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus | Toru Hirai, Mikio Tohyama, Hiraku Okumura, Hiroshi Iriyama, Koji Niimi | 2011-04-12 |