Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12229408 | Memory system and read method | — | 2025-02-18 |
| 9865279 | Method and electronic device | Hirokazu Takeuchi | 2018-01-09 |
| 9375143 | Electronic apparatus and communication control method | Takaya Matsuno, Shingo Suzuki, Yusaku Kikugawa, Koji Yamamoto, Kentaro Takeda +3 more | 2016-06-28 |
| 8873766 | Sound signal processor and sound signal processing methods | Toshifumi Yamamoto | 2014-10-28 |
| 8630850 | Signal processing method, apparatus and program | Kaoru Suzuki | 2014-01-14 |
| 8522263 | Audio signal processor, television set and computer readable medium | — | 2013-08-27 |
| 8503697 | Pickup signal processing apparatus, method, and program product | — | 2013-08-06 |
| 8363850 | Audio signal processing method and apparatus for the same | — | 2013-01-29 |
| 8364484 | Voice recognition apparatus and method | Takehide Yano, Kazunori Imoto, Koichi Yamamoto | 2013-01-29 |
| 8363821 | Apparatus and method for canceling echo | Kaoru Suzuki, Koichi Yamamotop | 2013-01-29 |
| 8229739 | Speech processing apparatus and method | — | 2012-07-24 |
| 8121310 | Sound receiving apparatus and method | — | 2012-02-21 |
| 8120993 | Acoustic treatment apparatus and method thereof | — | 2012-02-21 |
| 7995767 | Sound signal processing method and apparatus | — | 2011-08-09 |
| 7706550 | Noise suppression apparatus and method | Akinori Kawamura, Ryosuke Koshiba | 2010-04-27 |
| 7680287 | Directional setting apparatus, directional setting system, directional setting method and directional setting program | Takumi Yamamoto | 2010-03-16 |
| 6768978 | Speech coding/decoding method and apparatus | Katsumi Tsuchiya | 2004-07-27 |
| 6611797 | Speech coding/decoding method and apparatus | Katsumi Tsuchiya | 2003-08-26 |
| 6427135 | Method for encoding speech wherein pitch periods are changed based upon input speech signal | Kimio Miseki, Masahiro Oshikiri, Masami Akamine | 2002-07-30 |
| 6385576 | Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch | Kimio Miseki | 2002-05-07 |
| 6385575 | Constraint relieving vector quantization apparatus and vector quantization method having constraints in quantization vectors | Katsumi Tsuchiya | 2002-05-07 |
| 6167375 | Method for encoding and decoding a speech signal including background noise | Kimio Miseki, Masahiro Oshikiri, Masami Akamine | 2000-12-26 |
| 5926785 | Speech encoding method and apparatus including a codebook storing a plurality of code vectors for encoding a speech signal | Masami Akamine | 1999-07-20 |
| 5878387 | Coding apparatus having adaptive coding at different bit rates and pitch emphasis | Masahiro Oshikiri, Kimio Miseki, Masami Akamine | 1999-03-02 |
| 5864798 | Method and apparatus for adjusting a spectrum shape of a speech signal | Kimio Miseki, Masahiro Oshikiri, Akinobu Yamashita, Masami Akamine | 1999-01-26 |