Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928406 | Excitation vector generating apparatus and speech coding/decoding apparatus | Hiroyuki Ehara | 2005-08-09 |
| 6910008 | Excitation vector generator, speech coder and speech decoder | Kazutoshi Yasunaga, Hiroyuki Ehara | 2005-06-21 |
| 6799160 | Noise canceller | Kazutoshi Yasunaga, Hiroyuki Ehara | 2004-09-28 |
| 6772115 | LSP quantizer | Kazutoshi Yasunaga, Hiroyuki Ehara | 2004-08-03 |
| 6757650 | Excitation vector generator, speech coder and speech decoder | Kazutoshi Yasunaga, Taisuke Watanabe, Hiroyuki Ehara | 2004-06-29 |
| 6687666 | Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding/decoding and mobile communication device | Hiroyuki Ehara | 2004-02-03 |
| 6549885 | Celp type voice encoding device and celp type voice encoding method | Hiroyuki Ehara | 2003-04-15 |
| 6453288 | Method and apparatus for producing component of excitation vector | Kazutoshi Yasunaga, Taisuke Watanabe, Hiroyuki Ehara | 2002-09-17 |
| 6421638 | Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding/decoding and mobile communication device | Hiroyuki Ehara | 2002-07-16 |
| 6421639 | Apparatus and method for providing an excitation vector | Kazutoshi Yasunaga, Hiroyuki Ehara | 2002-07-16 |
| 6415254 | Sound encoder and sound decoder | Kazutoshi Yasunaga | 2002-07-02 |
| 6345247 | Excitation vector generator, speech coder and speech decoder | Kazutoshi Yasunaga, Hiroyuki Ehara | 2002-02-05 |
| 6330534 | Excitation vector generator, speech coder and speech decoder | Kazutoshi Yasunaga, Hiroyuki Ehara | 2001-12-11 |
| 6330535 | Method for providing excitation vector | Kazutoshi Yasunaga, Taisuke Watanabe, Hiroyuki Ehara | 2001-12-11 |
| 6226604 | Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus | Hiroyuki Ehara | 2001-05-01 |
| 6205421 | Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus | — | 2001-03-20 |
| 6167373 | Linear prediction coefficient analyzing apparatus for the auto-correlation function of a digital speech signal | — | 2000-12-26 |
| 6067518 | Linear prediction speech coding apparatus | — | 2000-05-23 |
| 5774846 | Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus | — | 1998-06-30 |
| 5228086 | Speech encoding apparatus and related decoding apparatus | — | 1993-07-13 |