Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687368 | Tone signal detecting method and tone signal detector | Atsushi Shimbo | 2004-02-03 |
| 6678660 | Receiving buffer controlling method and voice packet decoder | Atsushi Shimbo | 2004-01-13 |
| 6621227 | Discharge generating apparatus and discharge generating method | Toshiji Nishiguchi, Ikuo Nakajima | 2003-09-16 |
| 6289307 | Codebook preliminary selection device and method, and storage medium storing codebook preliminary selection program | — | 2001-09-11 |
| 5974375 | Coding device and decoding device of speech signal, coding method and decoding method | Xuedong Yang, Atsushi Yokoyama | 1999-10-26 |
| 5905970 | Speech coding device for estimating an error of power envelopes of synthetic and input speech signals | — | 1999-05-18 |
| 5826221 | Vocal tract prediction coefficient coding and decoding circuitry capable of adaptively selecting quantized values and interpolation values | — | 1998-10-20 |
| 5752223 | Code-excited linear predictive coder and decoder with conversion filter for converting stochastic and impulsive excitation signals | Yoshihiro Ariyama, Kenichiro Hosoda | 1998-05-12 |
| 5727122 | Code excitation linear predictive (CELP) encoder and decoder and code excitation linear predictive coding method | Kenichiro Hosoda, Hiroshi Katsuragawa, Yoshihiro Ariyama | 1998-03-10 |