Inventor · disambiguated record
Masayuki Nishiguchi
Also filed as: NISHIGUCHI MASAYUKI
139 granted patents·17 pending applications·3,903 citations·filing 1985–2024
99Inventor score
Top patents by PatentIndex Score
156 records- 0194US5732390ASpeech signal transmitting and receiving apparatus with noise sensitive volume controlSONY CORP·Filed 1996·Granted Mar 24, 1998·302 cites·22 claims
- 0293US11330310B2Encoding device and method, reproduction device and method, and programSONY CORP·Filed 2020·Granted May 10, 2022·3 cites·8 claims
- 0392US5640458AAudio signal reproducing apparatusSONY CORP·Filed 1990·Granted Jun 17, 1997·114 cites·1 claims
- 0491US10631025B2Encoding device and method, reproduction device and method, and programSONY CORP·Filed 2015·Granted Apr 21, 2020·6 cites·17 claims
- 0591US7337027B2Audio signal reproducing apparatusSONY CORP·Filed 2005·Granted Feb 26, 2008·20 cites·4 claims
- 0690US6018707AVector quantization method, speech encoding method and apparatusSONY CORP·Filed 1997·Granted Jan 25, 2000·83 cites·16 claims
- 0790US5115240AMethod and apparatus for encoding voice signals divided into a plurality of frequency bandsSONY CORP·Filed 1990·Granted May 19, 1992·111 cites·12 claims
- 0889US6711538B1Information processing apparatus and method, and recording mediumSONY CORP·Filed 2000·Granted Mar 23, 2004·64 cites·32 claims
- 0988US8254677B2Detection apparatus, detection method, and computer programABE MOTOTSUGU·Filed 2011·Granted Aug 28, 2012·8 cites·20 claims
- 1088US7962007B2Signal processing device and signal processing methodSONY CORP·Filed 2001·Granted Jun 14, 2011·43 cites·53 claims
- 1188US7454329B2Method and apparatus for classifying signals, method and apparatus for generating descriptors and method and apparatus for retrieving signalsSONY CORP·Filed 2005·Granted Nov 18, 2008·20 cites·32 claims
- 1287US5878388AVoice analysis-synthesis method using noise having diffusion which varies with frequency band to modify predicted phases of transmitted pitch data blocksSONY CORP·Filed 1997·Granted Mar 2, 1999·118 cites·3 claims
- 1386US5819212AVoice encoding method and apparatus using modified discrete cosine transformSONY CORP·Filed 1996·Granted Oct 6, 1998·130 cites·10 claims
- 1485US5765127AHigh efficiency encoding methodSONY CORP·Filed 1993·Granted Jun 9, 1998·105 cites·28 claims
- 1585US5473727AVoice encoding method and voice decoding methodSONY CORP·Filed 1993·Granted Dec 5, 1995·144 cites·7 claims
- 1684US7212973B2Encoding method, encoding apparatus, decoding method, decoding apparatus and programSONY CORP·Filed 2002·Granted May 1, 2007·45 cites·33 claims
- 1784US6611800B1Vector quantization method and speech encoding method and apparatusSONY CORP·Filed 1997·Granted Aug 26, 2003·114 cites·7 claims
- 1884US5950153AAudio band width extending system and methodSONY CORP·Filed 1997·Granted Sep 7, 1999·146 cites·13 claims
- 1982US6990443B1Method and apparatus for classifying signals method and apparatus for generating descriptors and method and apparatus for retrieving signalsSONY CORP·Filed 2000·Granted Jan 24, 2006·33 cites·6 claims
- 2080US6681204B2Apparatus and method for encoding a signal as well as apparatus and method for decoding a signalSONY CORP·Filed 2001·Granted Jan 20, 2004·26 cites·5 claims
- 2180US6539355B1Signal band expanding method and apparatus and signal synthesis method and apparatusSONY CORP·Filed 1999·Granted Mar 25, 2003·88 cites·27 claims
- 2280US5909663ASpeech decoding method and apparatus for selecting random noise codevectors as excitation signals for an unvoiced speech frameSONY CORP·Filed 1997·Granted Jun 1, 1999·94 cites·11 claims
- 2380US4817444ATorque sensorHONDA MOTOR CO LTD·Filed 1987·Granted Apr 4, 1989·34 cites·24 claims
- 2479US12289483B2Encoding device and method, reproduction device and method, and programSONY GROUP CORP·Filed 2024·Granted Apr 29, 2025·0 cites·13 claims
- 2579US8103062B2Video processing apparatusABE MOTOTSUGU·Filed 2006·Granted Jan 24, 2012·16 cites·11 claims
- 2679US6445800B1Audio signal reproducing apparatusSONY CORP·Filed 2000·Granted Sep 3, 2002·17 cites·5 claims
- 2779US5960388AVoiced/unvoiced decision based on frequency band ratioSONY CORP·Filed 1997·Granted Sep 28, 1999·72 cites·4 claims
- 2879US5664052AMethod and device for discriminating voiced and unvoiced soundsSONY CORP·Filed 1993·Granted Sep 2, 1997·73 cites·14 claims
- 2978US5299240ASignal encoding and signal decoding apparatusSONY CORP·Filed 1993·Granted Mar 29, 1994·28 cites·6 claims
- 3077US6732075B1Sound synthesizing apparatus and method, telephone apparatus, and program service mediumSONY CORP·Filed 2000·Granted May 4, 2004·27 cites·23 claims
- 3177US5809455AMethod and device for discriminating voiced and unvoiced soundsSONY CORP·Filed 1996·Granted Sep 15, 1998·71 cites·17 claims
- 3276US5828996AApparatus and method for encoding/decoding a speech signal using adaptively changing codebook vectorsSONY CORP·Filed 1996·Granted Oct 27, 1998·80 cites·5 claims
- 3376US5749065ASpeech encoding method, speech decoding method and speech encoding/decoding methodSONY CORP·Filed 1995·Granted May 5, 1998·76 cites·39 claims
- 3476US2024055007A1Encoding device and encoding method, decoding device and decoding method, and programSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 3575US10244338B2Information processing device and information processing methodSONY CORP·Filed 2016·Granted Mar 26, 2019·2 cites·15 claims
- 3675US5812970AMethod based on pitch-strength for reducing noise in predetermined subbands of a speech signalSONY CORP·Filed 1996·Granted Sep 22, 1998·75 cites·8 claims
- 3774US7373078B2Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatusSONY CORP·Filed 2005·Granted May 13, 2008·1 cites·1 claims
- 3874US7248789B2Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatusSONY CORP·Filed 2005·Granted Jul 24, 2007·2 cites·1 claims
- 3974US7242855B2Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatusSONY CORP·Filed 2005·Granted Jul 10, 2007·1 cites·2 claims
- 4073US4797902ADigital signal transmission deviceSONY CORP·Filed 1985·Granted Jan 10, 1989·25 cites·6 claims
- 4172US11917221B2Encoding device and method, reproduction device and method, and programSONY GROUP CORP·Filed 2022·Granted Feb 27, 2024·0 cites·9 claims
- 4272US7720235B2Signal processing method and apparatus, signal processing program, and recording mediumSONY CORP·Filed 2002·Granted May 18, 2010·20 cites·42 claims
- 4372US7502547B2Signal recording/reproducing apparatus and recording/reproducing method, signal reproducing apparatus and reproducing method, and programSONY CORP·Filed 2003·Granted Mar 10, 2009·8 cites·31 claims
- 4472US5151941ADigital signal encoding apparatusSONY CORP·Filed 1990·Granted Sep 29, 1992·52 cites·6 claims
- 4571US7330553B2Audio signal reproducing apparatusSONY CORP·Filed 2001·Granted Feb 12, 2008·10 cites·15 claims
- 4671US6654718B1Speech encoding method and apparatus, input signal discriminating method, speech decoding method and apparatus and program furnishing mediumSONY CORP·Filed 2000·Granted Nov 25, 2003·19 cites·9 claims
- 4771US5930758AAudio signal reproducing apparatus with semiconductor memory storing coded digital audio data and including a headphone unitSONY CORP·Filed 1997·Granted Jul 27, 1999·46 cites·4 claims
- 4870US10484728B2Information processing apparatus, method, and programSONY CORP·Filed 2014·Granted Nov 19, 2019·1 cites·21 claims
- 4970US9595998B2Sampling point adjustment apparatus and method and programSONY CORP·Filed 2014·Granted Mar 14, 2017·2 cites·8 claims
- 5070US8314610B2Resolver for detecting a rotational position of a resolver rotor connected to a rotator shaft of a rotating machineURANO HIROAKI·Filed 2009·Granted Nov 20, 2012·6 cites·4 claims
Showing the top 50 of 156 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →