Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12039992 | Voice control device and voice control system | Satoshi Abe, Takahiro Yamaguchi, Kenichi Kubota | 2024-07-16 |
| 11665459 | Noise reduction device | Shinichi Takayama | 2023-05-30 |
| 11350197 | Noise reduction device | Shinichi Takayama | 2022-05-31 |
| 10687159 | Noise reduction device, noise reduction system, and fault detection method for noise reduction device | Takahiro Yamaguchi, Toshihiro Ezaki, Kenichi Kubota, Masaru Matsuoka, Yuji Suzuki +1 more | 2020-06-16 |
| 9848261 | Apparatus for removing howling and method for removing howling | Hiromasa Ohashi, Naoya Tanaka | 2017-12-19 |
| 9794717 | Audio signal processing apparatus and audio signal processing method | — | 2017-10-17 |
| 9538307 | Audio signal reproduction device and audio signal reproduction method | — | 2017-01-03 |
| 8750524 | Audio signal processing device and audio signal processing method | — | 2014-06-10 |