Inventor · disambiguated record
Takeshi Norimatsu
Also filed as: NORIMATSU TAKESHI
67 granted patents·1 pending application·1,895 citations·filing 1993–2022
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD26ISHIKAWA TOMOKAZU11PANASONIC CORP8DOLBY INT AB7PANASONIC IP CORP AMERICA5
Top patents by PatentIndex Score
68 records- 0198US7555434B2Audio decoding device, decoding method, and programNEC CORP·Filed 2003·Granted Jun 30, 2009·121 cites·21 claims
- 0295US7246065B2Band-division encoder utilizing a plurality of encoding unitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 17, 2007·88 cites·14 claims
- 0394US7509254B2Encoding device and decoding devicePANASONIC CORP·Filed 2006·Granted Mar 24, 2009·26 cites·26 claims
- 0494US7069212B2Audio decoding apparatus and method for band expansion with aliasing adjustmentNEC CORP·Filed 2003·Granted Jun 27, 2006·149 cites·30 claims
- 0593US7328160B2Encoding device and decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 5, 2008·91 cites·33 claims
- 0693US7308401B2Encoding device and decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Dec 11, 2007·22 cites·24 claims
- 0793US7283967B2Encoding device decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 16, 2007·83 cites·4 claims
- 0893US7139702B2Encoding device and decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 21, 2006·60 cites·43 claims
- 0992US6484142B1Encoder using Huffman codesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 19, 2002·60 cites·36 claims
- 1091US7783496B2Encoding device and decoding devicePANASONIC CORP·Filed 2009·Granted Aug 24, 2010·15 cites·26 claims
- 1191US7668711B2Coding equipmentPANASONIC CORP·Filed 2005·Granted Feb 23, 2010·32 cites·15 claims
- 1290US5978759AApparatus for expanding narrowband speech to wideband speech by codebook correspondence of linear mapping functionsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Nov 2, 1999·184 cites·9 claims
- 1389US11341977B2Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatusPANASONIC IP CORP AMERICA·Filed 2019·Granted May 24, 2022·5 cites·5 claims
- 1489US7058571B2Audio decoding apparatus and method for band expansion with aliasing suppressionNEC CORP·Filed 2003·Granted Jun 6, 2006·72 cites·13 claims
- 1588US8504184B2Combination device, telecommunication system, and combining methodISHIKAWA TOMOKAZU·Filed 2010·Granted Aug 6, 2013·17 cites·21 claims
- 1688US5381482ASound field controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jan 10, 1995·87 cites·8 claims
- 1787US7392176B2Encoding device, decoding device and audio data distribution systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 24, 2008·42 cites·15 claims
- 1886US8081764B2Audio decoderTAKAGI YOSIAKI·Filed 2006·Granted Dec 20, 2011·29 cites·8 claims
- 1986US8019614B2Energy shaping apparatus and energy shaping methodPANASONIC CORP·Filed 2006·Granted Sep 13, 2011·21 cites·20 claims
- 2085US8108222B2Encoding device and decoding deviceTSUSHIMA MINEO·Filed 2010·Granted Jan 31, 2012·7 cites·18 claims
- 2185US5611019AMethod and an apparatus for speech detection for determining whether an input signal is speech or nonspeechMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Mar 11, 1997·122 cites·56 claims
- 2283US9105264B2Coding apparatus and decoding apparatusISHIKAWA TOMOKAZU·Filed 2010·Granted Aug 11, 2015·8 cites·15 claims
- 2383US8718285B2Decoding device, coding and decoding device, and decoding methodISHIKAWA TOMOKAZU·Filed 2010·Granted May 6, 2014·9 cites·13 claims
- 2482US7941319B2Audio decoding apparatus and decoding method and programNEC CORP·Filed 2009·Granted May 10, 2011·11 cites·21 claims
- 2581US7451091B2Method for determining time borders and frequency resolutions for spectral envelope codingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 11, 2008·33 cites·17 claims
- 2680US9026236B2Audio signal processing apparatus, audio coding apparatus, and audio decoding apparatusISHIKAWA TOMOKAZU·Filed 2010·Granted May 5, 2015·9 cites·22 claims
- 2779US7243061B2Multistage inverse quantization having a plurality of frequency bandsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 10, 2007·27 cites·3 claims
- 2879US6871106B1Audio signal coding apparatus, audio signal decoding apparatus, and audio signal coding and decoding apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 22, 2005·88 cites·46 claims
- 2979US6311153B1Speech recognition method and apparatus using frequency warping of linear prediction coefficientsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Oct 30, 2001·42 cites·21 claims
- 3078US6826526B1Audio signal coding method, decoding method, audio signal coding apparatus, and decoding apparatus where first vector quantization is performed on a signal and second vector quantization is performed on an error component resulting from the first vector quantizationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 30, 2004·96 cites·28 claims
- 3177US6898615B2Signal processing unit and signal processing method including using an exponent part and a mantissa part for power generationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 24, 2005·24 cites·11 claims
- 3276US9799342B2Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatusPANASONIC IP CORP AMERICA·Filed 2015·Granted Oct 24, 2017·2 cites·5 claims
- 3374US7269550B2Encoding device and decoding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 11, 2007·22 cites·25 claims
- 3473US11749289B2Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatusPANASONIC IP CORP AMERICA·Filed 2022·Granted Sep 5, 2023·0 cites·5 claims
- 3573US6477490B2Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 5, 2002·18 cites·26 claims
- 3672US8688442B2Audio decoding apparatus, audio coding apparatus, and system comprising the apparatusesMIYASAKA SHUJI·Filed 2012·Granted Apr 1, 2014·5 cites·12 claims
- 3771US8184817B2Multi-channel acoustic signal processing deviceTAKAGI YOSHIAKI·Filed 2006·Granted May 22, 2012·7 cites·10 claims
- 3870US9489962B2Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding methodPANASONIC CORP·Filed 2013·Granted Nov 8, 2016·4 cites·19 claims
- 3970US6678653B1Apparatus and method for coding audio data at high speed using precision informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 13, 2004·18 cites·22 claims
- 4069USRE45042EEncoding device and decoding devicePANASONIC CORP·Filed 2013·Granted Jul 22, 2014·1 cites·24 claims
- 4168US9093080B2Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatusISHIKAWA TOMOKAZU·Filed 2011·Granted Jul 28, 2015·2 cites·5 claims
- 4268US8284961B2Signal processing deviceMIYASAKA SHUJI·Filed 2006·Granted Oct 9, 2012·6 cites·8 claims
- 4364USRE48045EEncoding device and decoding deviceDOLBY INT AB·Filed 2018·Granted Jun 9, 2020·0 cites·37 claims
- 4463US5617478ASound reproduction system and a sound reproduction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 1, 1997·38 cites·2 claims
- 4562US8391513B2Stream synthesizing device, decoding unit and methodISHIKAWA TOMOKAZU·Filed 2008·Granted Mar 5, 2013·2 cites·16 claims
- 4661USRE48145EEncoding device and decoding deviceDOLBY INT AB·Filed 2017·Granted Aug 4, 2020·0 cites·28 claims
- 4761USRE47956EEncoding device and decoding deviceDOLBY INT AB·Filed 2017·Granted Apr 21, 2020·0 cites·28 claims
- 4861USRE47949EEncoding device and decoding deviceDOLBY INT AB·Filed 2017·Granted Apr 14, 2020·0 cites·28 claims
- 4961USRE47935EEncoding device and decoding deviceDOLBY INT AB·Filed 2017·Granted Apr 7, 2020·0 cites·28 claims
- 5061USRE47814EEncoding device and decoding deviceDOLBY INT AB·Filed 2017·Granted Jan 14, 2020·0 cites·28 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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