Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12363496 | Audio signal processing method and audio signal processing apparatus | — | 2025-07-15 |
| 12342151 | Live data distribution method, live data distribution system, and live data distribution apparatus | Futoshi SHIRAKIHARA, Tadashi Morikawa, Kentaro NOTO, Katsumi Ishikawa | 2025-06-24 |
| 12288546 | Live data distribution method, live data distribution system, and live data distribution apparatus | Futoshi SHIRAKIHARA, Tadashi Morikawa, Kentaro NOTO, Katsumi Ishikawa | 2025-04-29 |
| 8767951 | Talk deciding system | Satoshi Sekine | 2014-07-01 |
| 8311237 | Howling suppression apparatus and computer readable recording medium | Hirobumi Tanaka | 2012-11-13 |
| 8259961 | Audio processing apparatus and program | — | 2012-09-04 |
| 8218788 | Anti-feedback device and anti-feedback method | Hirobumi Tanaka | 2012-07-10 |
| 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, Yoshikazu Honji, 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, Yoshikazu Honji, Hiroshi Iriyama, Koji Niimi | 2011-04-12 |
| 7899195 | Adaptive howling canceller | Hiroaki Fujita | 2011-03-01 |
| 7697696 | Audio amplification apparatus with howling canceler | — | 2010-04-13 |
| 7574005 | Howling frequency component emphasis method and apparatus | Mikio Tohyama, Yoshinori Takahashi, Hiroaki Fujita | 2009-08-11 |
| 7403609 | 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, Yoshikazu Honji, Hiroshi Iriyama, Koji Niimi | 2008-07-22 |