Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11153683 | Sound signal control device and method, and recording medium | Satoru Furuta, Atsuyoshi Yano | 2021-10-19 |
| 9299362 | Audio signal processing device | Masaru Kimura, Takashi Yamazaki, Asako Omote | 2016-03-29 |
| 9286881 | Echo canceler and echo detector | Tomoharu Awano, Atsuyoshi Yano | 2016-03-15 |
| 8918325 | Signal processing device for processing stereo signals | Masaru Kimura | 2014-12-23 |
| 8306243 | Audio device | Masaru Kimura | 2012-11-06 |
| 7492906 | Speaker-characteristic method and speaker reproduction system | Masaru Kimura | 2009-02-17 |
| 6898426 | Mobile phone terminal, and peripheral unit for acoustic test of mobile phone terminal | — | 2005-05-24 |
| 6868158 | Echo processing apparatus | Shinya Takahashi, Ikuo Kajiyama | 2005-03-15 |
| 6643618 | Speech decoding unit and speech decoding method | Hirohisa Tasaki | 2003-11-04 |
| 6516050 | Double-talk detecting apparatus, echo canceller using the double-talk detecting apparatus and echo suppressor using the double-talk detecting apparatus | Hirohisa Tasaki, Ikuo Kajiyama, Shinya Takahashi | 2003-02-04 |
| 5875423 | Method for selecting noise codebook vectors in a variable rate speech coder and decoder | — | 1999-02-23 |