Inventor · disambiguated record
Masafumi Nishimura
Also filed as: NISHIMURA MASAFUMI
62 granted patents·7 pending applications·1,986 citations·filing 1987–2017
99Inventor score
Top patents by PatentIndex Score
69 records- 0198US8015011B2Generating objectively evaluated sufficiently natural synthetic speech from text by using selective paraphrasesNUANCE COMMUNICATIONS INC·Filed 2008·Granted Sep 6, 2011·311 cites·12 claims
- 0295US5031217ASpeech recognition system using Markov models having independent label output setsIBM·Filed 1989·Granted Jul 9, 1991·268 cites·8 claims
- 0392US9536518B2Unsupervised training method, training apparatus, and training program for an N-gram language model based upon recognition reliabilityIBM·Filed 2015·Granted Jan 3, 2017·11 cites·13 claims
- 0492US5502791ASpeech recognition by concatenating fenonic allophone hidden Markov models in parallel among subwordsIBM·Filed 1993·Granted Mar 26, 1996·255 cites·6 claims
- 0592US5050215ASpeech recognition methodIBM·Filed 1990·Granted Sep 17, 1991·222 cites·11 claims
- 0690US5353377ASpeech recognition system having an interface to a host computer bus for direct access to the host memoryIBM·Filed 1992·Granted Oct 4, 1994·252 cites·9 claims
- 0790US5046099AAdaptation of acoustic prototype vectors in a speech recognition systemIBM·Filed 1990·Granted Sep 3, 1991·197 cites·9 claims
- 0889US7720679B2Speech recognition apparatus, speech recognition apparatus and program thereofNUANCE COMMUNICATIONS INC·Filed 2008·Granted May 18, 2010·22 cites·21 claims
- 0987US6778958B1Symbol insertion apparatus and methodIBM·Filed 2000·Granted Aug 17, 2004·62 cites·16 claims
- 1084US7359852B2Systems and methods for natural spoken language word prediction and speech recognitionIBM·Filed 2001·Granted Apr 15, 2008·34 cites·20 claims
- 1182US7478041B2Speech recognition apparatus, speech recognition apparatus and program thereofIBM·Filed 2003·Granted Jan 13, 2009·36 cites·3 claims
- 1280US7533015B2Signal enhancement via noise reduction for speech recognitionIBM·Filed 2005·Granted May 12, 2009·12 cites·1 claims
- 1379US9002843B2System and method for extraction of off-topic part from conversationIBM·Filed 2013·Granted Apr 7, 2015·6 cites·9 claims
- 1479US8712770B2Method, preprocessor, speech recognition system, and program product for extracting target speech by removing noiseFUKUDA TAKASHI·Filed 2008·Granted Apr 29, 2014·11 cites·16 claims
- 1579US7856353B2Method for processing speech signal data with reverberation filteringNUANCE COMMUNICATIONS INC·Filed 2007·Granted Dec 21, 2010·12 cites·13 claims
- 1678US8000966B2Methods and apparatus for natural spoken language speech recognition with word predictionNUANCE COMMUNICATIONS INC·Filed 2008·Granted Aug 16, 2011·8 cites·22 claims
- 1778US4829577ASpeech recognition methodIBM·Filed 1987·Granted May 9, 1989·81 cites·4 claims
- 1876US8762137B2Target voice extraction method, apparatus and program productFUKUDA TAKASHI·Filed 2010·Granted Jun 24, 2014·6 cites·19 claims
- 1975US9892727B2Method of selecting training text for language model, and method of training language model using the training text, and computer and computer program for executing the methodsIBM·Filed 2015·Granted Feb 13, 2018·2 cites·7 claims
- 2074US9934776B2Method of selecting training text for language model, and method of training language model using the training text, and computer and computer program for executing the methodsIBM·Filed 2015·Granted Apr 3, 2018·2 cites·4 claims
- 2174US7921014B2System and method for supporting text-to-speechNUANCE COMMUNICATIONS INC·Filed 2007·Granted Apr 5, 2011·8 cites·1 claims
- 2273US9269357B2System and method for extracting a specific situation from a conversationITOH NOBUYASU·Filed 2009·Granted Feb 23, 2016·6 cites·15 claims
- 2373US8165874B2System, method, and program product for processing speech ratio difference data variations in a conversation between two personsKURATA GAKUTO·Filed 2009·Granted Apr 24, 2012·7 cites·14 claims
- 2473US7590526B2Method for processing speech signal data and finding a filter coefficientNUANCE COMMUNICATIONS INC·Filed 2007·Granted Sep 15, 2009·7 cites·7 claims
- 2573US6917910B2Method, apparatus, computer system and storage medium for speech recognitionIBM·Filed 2000·Granted Jul 12, 2005·21 cites·25 claims
- 2671US8918396B2Information processing apparatus, method and program for determining weight of each feature in subjective hierarchical clusteringNAGANO TORU·Filed 2012·Granted Dec 23, 2014·6 cites·12 claims
- 2771US8370149B2Speech synthesis system, speech synthesis program product, and speech synthesis methodNUANCE COMMUNICATIONS INC·Filed 2008·Granted Feb 5, 2013·5 cites·15 claims
- 2871US6985863B2Speech recognition apparatus and method utilizing a language model prepared for expressions unique to spontaneous speechIBM·Filed 2002·Granted Jan 10, 2006·19 cites·20 claims
- 2970US8812312B2System, method and program for speech processingFUKUDA TAKASHI·Filed 2008·Granted Aug 19, 2014·6 cites·9 claims
- 3069US10418029B2Method of selecting training text for language model, and method of training language model using the training text, and computer and computer program for executing the methodsIBM·Filed 2017·Granted Sep 17, 2019·1 cites·20 claims
- 3169US9275631B2Speech synthesis system, speech synthesis program product, and speech synthesis methodNUANCE COMMUNICATIONS INC·Filed 2012·Granted Mar 1, 2016·3 cites·15 claims
- 3269US8751235B2Annotating phonemes and accents for text-to-speech systemMORI SHINSUKE·Filed 2009·Granted Jun 10, 2014·5 cites·30 claims
- 3369US7895038B2Signal enhancement via noise reduction for speech recognitionIBM·Filed 2008·Granted Feb 22, 2011·5 cites·12 claims
- 3467US8024184B2Speech recognition device, speech recognition method, computer-executable program for causing computer to execute recognition method, and storage mediumNUANCE COMMUNICATIONS INC·Filed 2009·Granted Sep 20, 2011·4 cites·11 claims
- 3567US7747443B2Apparatus, method, and program for supporting speech interface designNUANCE COMMUNICATIONS INC·Filed 2007·Granted Jun 29, 2010·4 cites·6 claims
- 3666US8566084B2Speech processing based on time series of maximum values of cross-power spectrum phase between two consecutive speech framesICHIKAWA OSAMU·Filed 2011·Granted Oct 22, 2013·3 cites·15 claims
- 3766US7660717B2Speech recognition system and program thereofNUANCE COMMUNICATIONS INC·Filed 2008·Granted Feb 9, 2010·4 cites·3 claims
- 3865US7480612B2Word predicting method, voice recognition method, and voice recognition apparatus and program using the same methodsIBM·Filed 2002·Granted Jan 20, 2009·12 cites·6 claims
- 3964US8930185B2Speech feature extraction apparatus, speech feature extraction method, and speech feature extraction programFUKUDA TAKASHI·Filed 2010·Granted Jan 6, 2015·2 cites·16 claims
- 4063US8150693B2Methods and apparatus for natural spoken language speech recognitionMORI SHINSUKE·Filed 2008·Granted Apr 3, 2012·3 cites·18 claims
- 4161US7403896B2Speech recognition system and program thereofIBM·Filed 2003·Granted Jul 22, 2008·8 cites·1 claims
- 4260US9384730B2Pronunciation accuracy in speech recognitionIBM·Filed 2014·Granted Jul 5, 2016·1 cites·10 claims
- 4357US8972407B2Information processing method for determining weight of each feature in subjective hierarchical clusteringNAGANO TORU·Filed 2012·Granted Mar 3, 2015·1 cites·5 claims
- 4457US8165317B2Method and system for position detection of a sound sourceICHIKAWA OSAMU·Filed 2009·Granted Apr 24, 2012·3 cites·12 claims
- 4557US7729921B2Apparatus, method, and program for supporting speech interface designNUANCE COMMUNICATIONS INC·Filed 2008·Granted Jun 1, 2010·1 cites·4 claims
- 4657US7599836B2Voice recording system, recording device, voice analysis device, voice recording method and programNUANCE COMMUNICATIONS INC·Filed 2005·Granted Oct 6, 2009·2 cites·2 claims
- 4755US9251135B2Correcting N-gram probabilities by page view informationIBM·Filed 2013·Granted Feb 2, 2016·0 cites·10 claims
- 4855US9070375B2Voice activity detection system, method, and program productFUKUDA TAKASHI·Filed 2009·Granted Jun 30, 2015·1 cites·8 claims
- 4955US8744853B2Speaker-adaptive synthesized voiceNISHIMURA MASAFUMI·Filed 2010·Granted Jun 3, 2014·2 cites·19 claims
- 5054US9311291B2Correcting N-gram probabilities by page view informationIBM·Filed 2013·Granted Apr 12, 2016·0 cites·10 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →