Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882755 | Speech recognition system which avoids ambiguity when matching frequency spectra by employing an additional verbal feature | Youichi Yamada | 1989-11-21 |
| 4868879 | Apparatus and method for recognizing speech | Makoto Morito, Masao Takeuchi, Akihiko FUJISAWA, Yukio Tabei | 1989-09-19 |
| 4856067 | Speech recognition system wherein the consonantal characteristics of input utterances are extracted | Youichi Yamada | 1989-08-08 |