Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8626508 | Speech search device and speech search method | Koichi Katsurada, Shigeki Teshima | 2014-01-07 |
| 5649056 | Speech recognition system and method which permits a speaker's utterance to be recognized using a hidden markov model with subsequent calculation reduction | — | 1997-07-15 |
| 5615300 | Text-to-speech synthesis with controllable processing time and speech quality | Yoshiyuki Hara | 1997-03-25 |
| 5506933 | Speech recognition using continuous density hidden markov models and the orthogonalizing karhunen-loeve transformation | — | 1996-04-09 |
| 5293588 | Speech detection apparatus not affected by input energy or background noise levels | Hideki Satoh | 1994-03-08 |
| 5255342 | Pattern recognition system and method using neural network | — | 1993-10-19 |
| 5133012 | Speech recognition system utilizing both a long-term strategic and a short-term strategic scoring operation in a transition network thereof | — | 1992-07-21 |
| 5001760 | Speech recognition apparatus and method utilizing an orthogonalized dictionary | — | 1991-03-19 |
| 4979213 | Orthogonalized dictionary speech recognition apparatus and method thereof | — | 1990-12-18 |
| 4888823 | System for continuous speech recognition through transition networks | Kensuke Uehara, Sadakazu Watanabe | 1989-12-19 |
| 4881266 | Speech recognition system | Kensuke Uehara, Sadakazu Watanabe | 1989-11-14 |
| 4851654 | IC card | — | 1989-07-25 |
| 4677672 | Continuous speech recognition apparatus | Teruhiko Ukita | 1987-06-30 |
| 4677673 | Continuous speech recognition apparatus | Teruhiko Ukita, Sadakazu Watanabe | 1987-06-30 |
| 4651289 | Pattern recognition apparatus and method for making same | Kenichi Maeda | 1987-03-17 |
| 4625287 | Monosyllable recognition apparatus | Hiroshi Matsuura | 1986-11-25 |
| 4624011 | Speech recognition system | Sadakazu Watanabe, Hidenori Shinoda, Yoichi Takebayashi, Shouichi Hirai, Tomio Sakata +3 more | 1986-11-18 |
| 4405838 | Phoneme information extracting apparatus | Hideki Kasuya | 1983-09-20 |
| 4401851 | Voice recognition apparatus | Toshitake Murata, Hiroyuki Tsuboi, Takashi Kondo | 1983-08-30 |
| 4209672 | Method and apparatus for measuring characteristics of a loudspeaker | Masatoshi Tanaka | 1980-06-24 |