Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882755 | Speech recognition system which avoids ambiguity when matching frequency spectra by employing an additional verbal feature | Keiko Takahashi | 1989-11-21 |
| 4856067 | Speech recognition system wherein the consonantal characteristics of input utterances are extracted | Keiko Takahashi | 1989-08-08 |