Dragon Systems, Inc.
🏢 View company profile →48Patents
0Active
48Granted
37Portfolio score
Filing activity: Nov 12, 1985 → Sep 7, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5027406A | Method for interactive speech recognition and training | Physics | 580 | Expired |
| US5960394A | Method of speech command recognition with dynamic assignment of probabilities according to the state of the controlled applications | Physics | 368 | Expired |
| US4829576A | Voice recognition system | Physics | 353 | Expired |
| US4903305A | Method for representing word models for use in speech recognition | Physics | 335 | Expired |
| US5680511A | Systems and methods for word recognition | Physics | 301 | Expired |
| US5202952A | Large-vocabulary continuous speech prefiltering and processing system | Physics | 295 | Expired |
| US6064959A | Error correction in speech recognition | Physics | 289 | Expired |
| US6092043A | Apparatuses and method for training and operating speech recognition systems | Physics | 251 | Expired |
| US6088671A | Continuous speech recognition of text and commands | Physics | 244 | Expired |
| US6122613A | Speech recognition using multiple recognizers (selectively) applied to the same input sample | Physics | 241 | Expired |
| US4837831A | Method for creating and using multiple-word sound models in speech recognition | Physics | 237 | Expired |
| US5822730A | Lexical tree pre-filtering in speech recognition | Physics | 220 | Expired |
| US6073097A | Speech recognition system which selects one of a plurality of vocabulary models | Physics | 218 | Expired |
| US6167377A | Speech recognition language models | Physics | 216 | Expired |
| US4803729A | Speech recognition method | Physics | 212 | Expired |
| US5915236A | Word recognition system which alters code executed as a function of available computational resources | Physics | 212 | Expired |
| US4783803A | Speech recognition apparatus and method | Physics | 211 | Expired |
| US5920836A | Word recognition system using language context at current cursor position to affect recognition probabilities | Physics | 201 | Expired |
| US5920837A | Word recognition system which stores two models for some words and allows selective deletion of one such model | Physics | 199 | Expired |
| US6101468A | Apparatuses and methods for training and operating speech recognition systems | Physics | 198 | Expired |
| US4866778A | Interactive speech recognition apparatus | Physics | 194 | Expired |
| US5909666A | Speech recognition system which creates acoustic models by concatenating acoustic models of individual words | Physics | 187 | Expired |
| US5983179A | Speech recognition system which turns its voice response on for confirmation when it has been turned off without confirmation | Physics | 187 | Expired |
| US5799279A | Continuous speech recognition of text and commands | Physics | 168 | Expired |
| US5428707A | Apparatus and methods for training speech recognition systems and their users and otherwise improving speech recognition performance | Physics | 158 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.