Tsuneo Nitta
20Patents
14h-index
20Co-inventors
81Inventor score
Filing activity: Jul 13, 1978 → Feb 10, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4851654A | IC card | Physics | 113 | Expired |
| US4624011A | Speech recognition system | Physics | 83 | Expired |
| US4651289A | Pattern recognition apparatus and method for making same | Physics | 51 | Expired |
| US5293588A | Speech detection apparatus not affected by input energy or background noise levels | Physics | 34 | Expired |
| US5255342A | Pattern recognition system and method using neural network | Physics | 33 | Expired |
| US5133012A | Speech recognition system utilizing both a long-term strategic and a short-term strategic scoring operation in a transition network thereof | Physics | 27 | Expired |
| US4677673A | Continuous speech recognition apparatus | Physics | 26 | Expired |
| US5615300A | Text-to-speech synthesis with controllable processing time and speech quality | Physics | 26 | Expired |
| US4625287A | Monosyllable recognition apparatus | Physics | 24 | Expired |
| US5506933A | Speech recognition using continuous density hidden markov models and the orthogonalizing karhunen-loeve transformation | Physics | 22 | Expired |
| US5649056A | Speech recognition system and method which permits a speaker's utterance to be recognized using a hidden markov model with subsequent calculation reduction | Physics | 22 | Expired |
| US4888823A | System for continuous speech recognition through transition networks | Physics | 17 | Expired |
| US4881266A | Speech recognition system | Physics | 16 | Expired |
| US4979213A | Orthogonalized dictionary speech recognition apparatus and method thereof | Physics | 15 | Expired |
| US4209672A | Method and apparatus for measuring characteristics of a loudspeaker | Electricity | 11 | Expired |
| US4677672A | Continuous speech recognition apparatus | Physics | 11 | Expired |
| US4401851A | Voice recognition apparatus | Physics | 9 | Expired |
| US4405838A | Phoneme information extracting apparatus | Physics | 5 | Expired |
| US8626508B2 | Speech search device and speech search method | Physics | 2 | Active |
| US5001760A | Speech recognition apparatus and method utilizing an orthogonalized dictionary | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.