Inventor · disambiguated record
Hiroyuki Ehara
Also filed as: EHARA HIROYUKI
113 granted patents·24 pending applications·1,000 citations·filing 1995–2025
99Inventor score
Files withPANASONIC IP CORP AMERICA37MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26PANASONIC CORP25EHARA HIROYUKI10FRAUNHOFER GES FORSCHUNG9
Top patents by PatentIndex Score
137 records- 0195US8036887B2CELP speech decoder modifying an input vector with a fixed waveform to transform a waveform of the input vectorPANASONIC CORP·Filed 2010·Granted Oct 11, 2011·25 cites·8 claims
- 0292US9401975B2Terminal and codec mode selection methodHORI TAKAKO·Filed 2011·Granted Jul 26, 2016·16 cites·10 claims
- 0392US8725501B2Audio decoding device and compensation frame generation methodEHARA HIROYUKI·Filed 2005·Granted May 13, 2014·38 cites·5 claims
- 0492US8255213B2Speech decoding apparatus, speech encoding apparatus, and lost frame concealment methodYOSHIDA KOJI·Filed 2007·Granted Aug 28, 2012·35 cites·16 claims
- 0592US7769584B2Encoder, decoder, encoding method, and decoding methodPANASONIC CORP·Filed 2005·Granted Aug 3, 2010·27 cites·10 claims
- 0691US7983904B2Scalable decoding apparatus and scalable encoding apparatusPANASONIC CORP·Filed 2005·Granted Jul 19, 2011·24 cites·7 claims
- 0791US7848921B2Low-frequency-band component and high-frequency-band audio encoding/decoding apparatus, and communication apparatus thereofPANASONIC CORP·Filed 2005·Granted Dec 7, 2010·30 cites·7 claims
- 0888US8712765B2Parameter decoding apparatus and parameter decoding methodPANASONIC CORP·Filed 2013·Granted Apr 29, 2014·12 cites·4 claims
- 0988US8554548B2Speech decoding apparatus and speech decoding method including high band emphasis processingEHARA HIROYUKI·Filed 2008·Granted Oct 8, 2013·22 cites·5 claims
- 1088US8468015B2Parameter decoding device, parameter encoding device, and parameter decoding methodEHARA HIROYUKI·Filed 2007·Granted Jun 18, 2013·17 cites·8 claims
- 1187US10062389B2Decoding device, encoding device, decoding method, and encoding methodFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Aug 28, 2018·6 cites·20 claims
- 1286US6947889B2Excitation vector generator and a method for generating an excitation vector including a convolution systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 20, 2005·23 cites·21 claims
- 1385US7167828B2Multimode speech coding apparatus and decoding apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 23, 2007·40 cites·11 claims
- 1485US6330534B1Excitation vector generator, speech coder and speech decoderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 11, 2001·56 cites·44 claims
- 1583US9514757B2Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding methodOSHIKIRI MASAHIRO·Filed 2011·Granted Dec 6, 2016·11 cites·4 claims
- 1683US8271272B2Scalable encoding device, scalable decoding device, and method thereofEHARA HIROYUKI·Filed 2005·Granted Sep 18, 2012·15 cites·18 claims
- 1783US6757650B2Excitation vector generator, speech coder and speech decoderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 29, 2004·18 cites·25 claims
- 1883US6345247B1Excitation vector generator, speech coder and speech decoderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Feb 5, 2002·49 cites·31 claims
- 1982US7895035B2Scalable decoding apparatus and method for concealing lost spectral parametersPANASONIC CORP·Filed 2005·Granted Feb 22, 2011·14 cites·6 claims
- 2082US7392179B2LPC vector quantization apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 24, 2008·38 cites·22 claims
- 2181US9288792B2Network node, terminal, bandwidth modification determination method and bandwidth modification methodHORI TAKAKO·Filed 2012·Granted Mar 15, 2016·4 cites·11 claims
- 2281US8364472B2Voice encoding device and voice encoding methodPANASONIC CORP·Filed 2008·Granted Jan 29, 2013·12 cites·8 claims
- 2381US8239191B2Speech encoding apparatus and speech encoding methodEHARA HIROYUKI·Filed 2007·Granted Aug 7, 2012·13 cites·15 claims
- 2481US7577567B2Multimode speech coding apparatus and decoding apparatusPANASONIC CORP·Filed 2006·Granted Aug 18, 2009·11 cites·6 claims
- 2580US6928406B1Excitation vector generating apparatus and speech coding/decoding apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 9, 2005·32 cites·6 claims
- 2679US7065338B2Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding soundMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 20, 2006·33 cites·49 claims
- 2778US8160868B2Scalable decoder and scalable decoding methodKAWASHIMA TAKUYA·Filed 2006·Granted Apr 17, 2012·8 cites·16 claims
- 2878US7289952B2Excitation vector generator, speech coder and speech decoderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 30, 2007·12 cites·10 claims
- 2977US10269361B2Encoding device, decoding device, encoding method, decoding method, and non-transitory computer-readable recording mediumFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Apr 23, 2019·3 cites·15 claims
- 3077US8150684B2Scalable decoder preventing signal degradation and lost data interpolation methodKAWASHIMA TAKUYA·Filed 2006·Granted Apr 3, 2012·10 cites·10 claims
- 3177US8010353B2Audio switching device and audio switching method that vary a degree of change in mixing ratio of mixing narrow-band speech signal and wide-band speech signalPANASONIC CORP·Filed 2006·Granted Aug 30, 2011·10 cites·21 claims
- 3277US6799160B2Noise cancellerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 28, 2004·12 cites·6 claims
- 3377US6687666B2Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding/decoding and mobile communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 3, 2004·20 cites·8 claims
- 3475US7499853B2Speech decoder and code error compensation methodPANASONIC CORP·Filed 2006·Granted Mar 3, 2009·7 cites·6 claims
- 3573US8812306B2Speech decoding and encoding apparatus for lost frame concealment using predetermined number of waveform samples peripheral to the lost frameKAWASHIMA TAKUYA·Filed 2007·Granted Aug 19, 2014·8 cites·11 claims
- 3673US8370138B2Scalable encoding device and scalable encoding method including quality improvement of a decoded signalPANASONIC CORP·Filed 2007·Granted Feb 5, 2013·7 cites·18 claims
- 3772US7991611B2Speech encoding apparatus and speech encoding method that encode speech signals in a scalable manner, and speech decoding apparatus and speech decoding method that decode scalable encoded signalsPANASONIC CORP·Filed 2006·Granted Aug 2, 2011·7 cites·6 claims
- 3871US10777209B1Coding apparatus and coding methodPANASONIC IP CORP AMERICA·Filed 2018·Granted Sep 15, 2020·2 cites·7 claims
- 3970US11653171B2Fast binaural rendering apparatus and method for playing back of multiple audio sourcesPANASONIC IP CORP AMERICA·Filed 2022·Granted May 16, 2023·0 cites·14 claims
- 4070US11545165B2Encoding device and encoding method using a determined prediction parameter based on an energy difference between channelsPANASONIC IP CORP AMERICA·Filed 2019·Granted Jan 3, 2023·2 cites·7 claims
- 4170US10555107B2Binaural rendering apparatus and method for playing back of multiple audio sourcesPANASONIC IP CORP AMERICA·Filed 2017·Granted Feb 4, 2020·1 cites·8 claims
- 4270US9264094B2Voice coding device, voice decoding device, voice coding method and voice decoding methodDAIMOU KATSUNORI·Filed 2012·Granted Feb 16, 2016·6 cites·4 claims
- 4370US7904292B2Scalable encoding device, scalable decoding device, and method thereofPANASONIC CORP·Filed 2005·Granted Mar 8, 2011·6 cites·18 claims
- 4470US7398205B2Code excited linear prediction speech decoder and method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jul 8, 2008·2 cites·20 claims
- 4570US2025150770A1Information generation method, acoustic signal processing method, recording medium, and information generation devicePANASONIC IP CORP AMERICA·Filed 2025·Application pending·0 cites
- 4670US2025150771A1Information generation method, acoustic signal processing method, recording medium, and information generation devicePANASONIC IP CORP AMERICA·Filed 2025·Application pending·0 cites
- 4770US2025150777A1Information generation method, acoustic signal processing method, recording medium, and information generation devicePANASONIC IP CORP AMERICA·Filed 2025·Application pending·0 cites
- 4869US11647428B2Communication terminal apparatus and communication methodPANASONIC IP CORP AMERICA·Filed 2020·Granted May 9, 2023·0 cites·12 claims
- 4969US10672409B2Decoding device, encoding device, decoding method, and encoding methodFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Jun 2, 2020·1 cites·18 claims
- 5069US9031000B2Communication terminal, control device, and base stationMORIMOTO TETSURO·Filed 2012·Granted May 12, 2015·2 cites·14 claims
Showing the top 50 of 137 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →