Inventor · disambiguated record

Tomohiro Nakatani

Also filed as: NAKATANI TOMOHIRO

34 granted patents·13 pending applications·48 citations·filing 2006–2023

94Inventor score

Technology areasG10L G06N H04R G06F H04N

Files withNIPPON TELEGRAPH & TELEPHONE38 NAKATANI TOMOHIRO2 PANASONIC IP MAN CO LTD2 FUJIMOTO MASAKIYO1 HOZUMI JUNICHI1

Top patents by PatentIndex Score

47 records

0186US11264044B2Acoustic model training method, speech recognition method, acoustic model training apparatus, speech recognition apparatus, acoustic model training program, and speech recognition programNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Mar 1, 2022·8 cites·8 claims
0279US8271277B2Dereverberation apparatus, dereverberation method, dereverberation program, and recording mediumKINOSHITA KEISUKE·Filed 2007·Granted Sep 18, 2012·7 cites·23 claims
0372US11837222B2Determination device, determination method, and determination programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 5, 2023·2 cites·20 claims
0472US8467538B2Dereverberation apparatus, dereverberation method, dereverberation program, and recording mediumNAKATANI TOMOHIRO·Filed 2009·Granted Jun 18, 2013·8 cites·7 claims
0571US11763834B2Mask calculation device, cluster weight learning device, mask calculation neural network learning device, mask calculation method, cluster weight learning method, and mask calculation neural network learning methodNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Sep 19, 2023·2 cites·8 claims
0670US8290170B2Method and apparatus for speech dereverberation based on probabilistic models of source and room acousticsNAKATANI TOMOHIRO·Filed 2006·Granted Oct 16, 2012·7 cites·26 claims
0768US10643633B2Spatial correlation matrix estimation device, spatial correlation matrix estimation method, and spatial correlation matrix estimation programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted May 5, 2020·2 cites·12 claims
0866US11967328B2Estimation device, estimation method, and estimation programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 23, 2024·1 cites·17 claims
0965US11894010B2Signal processing apparatus, signal processing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 6, 2024·1 cites·17 claims
1065US11304000B2Neural network based signal processing device, neural network based signal processing method, and signal processing programNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Apr 12, 2022·1 cites·10 claims
1158US8848933B2Signal enhancement device, method thereof, program, and recording mediumYOSHIOKA TAKUYA·Filed 2009·Granted Sep 30, 2014·4 cites·16 claims
1258US2024017425A1Sucking apparatusPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
1355US9754608B2Noise estimation apparatus, noise estimation method, noise estimation program, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Sep 5, 2017·1 cites·14 claims
1454US9208780B2Audio signal section estimating apparatus, audio signal section estimating method, and recording mediumFUJIMOTO MASAKIYO·Filed 2010·Granted Dec 8, 2015·4 cites·14 claims
1552US12451112B2Acoustic signal enhancement device, acoustic signal enhancement method, and programNTT INC·Filed 2021·Granted Oct 21, 2025·0 cites·12 claims
1651US11562765B2Mask estimation apparatus, model learning apparatus, sound source separation apparatus, mask estimation method, model learning method, sound source separation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 24, 2023·0 cites·9 claims
1750US12190870B2Learning device, learning method, and learning programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 7, 2025·0 cites·15 claims
1850US11978471B2Signal processing apparatus, learning apparatus, signal processing method, learning method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted May 7, 2024·0 cites·20 claims
1950US11915717B2Signal separation apparatus, signal separation method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 27, 2024·0 cites·9 claims
2049US12482479B2Acoustic signal enhancement apparatus, method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Nov 25, 2025·0 cites·7 claims
2149US11423924B2Signal analysis device for modeling spatial characteristics of source signals, signal analysis method, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 23, 2022·0 cites·20 claims
2248US12308022B2Apparatus, method, and program for utilizing language modelNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 20, 2025·0 cites·20 claims
2348US11869491B2Abstract generation device, method, program, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 9, 2024·0 cites·14 claims
2447US12254250B2Mask estimation device, mask estimation method, and mask estimation programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Mar 18, 2025·0 cites·5 claims
2547US12212939B2Target sound signal generation apparatus, target sound signal generation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 28, 2025·0 cites·12 claims
2647US12125481B2Determination device, training device, determination method, and determination programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Oct 22, 2024·0 cites·8 claims
2746US11302343B2Signal analysis device, signal analysis method, and signal analysis programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 12, 2022·0 cites·8 claims
2846US2025046327A1Source separation apparatus, source separation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
2945US2025061913A1Signal processing apparatus, signal processing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
3044US2024126935A1Data processing system, data processing method, program, and data processing integration systemPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
3143US11676619B2Noise spatial covariance matrix estimation apparatus, noise spatial covariance matrix estimation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 13, 2023·0 cites·5 claims
3242US12431158B2Speech signal processing device, speech signal processing method, speech signal processing program, training device, training method, and training programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 30, 2025·0 cites·8 claims
3342US12424233B2Target source signal generation apparatus, target source signal generation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 23, 2025·0 cites·5 claims
3442US2024062771A1Extraction device, extraction method, training device, training method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
3542US2021012790A1Signal analysis device, signal analysis method, and signal analysis programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
3642US2024144952A1Sound source separation apparatus, sound source separation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
3741US12348945B2Acoustic signal enhancement apparatus, method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 1, 2025·0 cites·3 claims
3841US2024129666A1Signal processing device, signal processing method, signal processing program, training device, training method, and training programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
3940US11551667B2Learning device and method for updating a parameter of a speech recognition modelNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 10, 2023·0 cites·20 claims
4040US11456003B2Estimation device, learning device, estimation method, learning method, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 27, 2022·0 cites·14 claims
4140US2023087982A1Signal processing apparatus, signal processing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
4239US10878832B2Mask estimation apparatus, mask estimation method, and mask estimation programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Dec 29, 2020·0 cites·11 claims
4339US2024290340A1Filter generation apparatus, filter generation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
4438US2023067132A1Signal processing device, signal processing method, and signal processing programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
4537US11462228B2Speech intelligibility calculating method, speech intelligibility calculating apparatus, and speech intelligibility calculating programNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Oct 4, 2022·0 cites·14 claims
4636US2024105202A1Reverberation removal device, parameter estimation device, reverberation removal method, parameter estimation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
4728US2013168141A1Substrate with through-electrode and method for producing sameHOZUMI JUNICHI·Filed 2012·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →