Inventor
TOGAWA TARO
JP48 patents
⚠️ This page may combine multiple inventors who share the name “TOGAWA TARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
35 patentsUS7664650B2Feb 16, 2010
Speech speed converting device and speech speed converting method
FUJITSU LTD7 citations74
US9160404B2Oct 13, 2015
Reverberation reduction device and reverberation reduction method
FUJITSU LTD4 citations73
US9672809B2Jun 6, 2017
Speech processing device and method
FUJITSU LTD6 citations72
US9424830B2Aug 23, 2016
Apparatus and method for encoding audio signal, system and method for transmitting audio signal, and apparatus for decoding audio signal
FUJITSU LTD6 citations72
US10096330B2Oct 9, 2018
Utterance condition determination apparatus and method
FUJITSU LTD2 citations70
US9916843B2Mar 13, 2018
Voice processing apparatus, voice processing method, and non-transitory computer-readable storage medium to determine whether voice signals are in a conversation state
FUJITSU LTD4 citations70
US8005219B2Aug 23, 2011
Data decryption apparatus and data encryption apparatus
FUJITSU LTD2 citations63
US11232810B2Jan 25, 2022
Voice evaluation method, voice evaluation apparatus, and recording medium for evaluating an impression correlated to pitch
FUJITSU LTD0 citations62
US9443537B2Sep 13, 2016
Voice processing device and voice processing method for controlling silent period between sound periods
FUJITSU LTD2 citations62
US8774397B2Jul 8, 2014
Telephone and voice adjustment method for telephone
FUJITSU LTD2 citations62
US11721357B2Aug 8, 2023
Voice processing method and voice processing apparatus
FUJITSU LTD1 citations61
US9271089B2Feb 23, 2016
Voice control device and voice control method
FUJITSU LTD2 citations61
US9420370B2Aug 16, 2016
Audio processing device and audio processing method
FUJITSU LTD0 citations52
US9330679B2May 3, 2016
Voice processing device, voice processing method
FUJITSU LTD0 citations52
US9247076B2Jan 26, 2016
Portable terminal device and method of controlling portable terminal device
FUJITSU LTD0 citations52
US8364475B2Jan 29, 2013
Voice processing apparatus and voice processing method for changing accoustic feature quantity of received voice signal
FUJITSU LTD1 citations52
US7925500B2Apr 12, 2011
Pitch conversion method and device for converting a pitch of an input signal into a desired pitch
FUJITSU LTD0 citations52
US11069373B2Jul 20, 2021
Speech processing method, speech processing apparatus, and non-transitory computer-readable storage medium for storing speech processing computer program
FUJITSU LTD0 citations51
US11004463B2May 11, 2021
Speech processing method, apparatus, and non-transitory computer-readable storage medium for storing a computer program for pitch frequency detection based upon a learned value
FUJITSU LTD0 citations51
US10885931B2Jan 5, 2021
Voice processing method, voice processing apparatus, and non-transitory computer-readable storage medium for storing voice processing computer program
FUJITSU LTD0 citations51
US10832687B2Nov 10, 2020
Audio processing device and audio processing method
FUJITSU LTD0 citations51
US10741198B2Aug 11, 2020
Information processing apparatus, method and non-transitory computer-readable storage medium
FUJITSU LTD0 citations51
US10679645B2Jun 9, 2020
Confused state determination device, confused state determination method, and storage medium
FUJITSU LTD0 citations51
US10014838B2Jul 3, 2018
Gain adjustment apparatus and gain adjustment method
FUJITSU LTD0 citations51
US9330678B2May 3, 2016
Voice control device, voice control method, and portable terminal device
FUJITSU LTD1 citations51
US9629582B2Apr 25, 2017
Apnea episode determination device and apnea episode determination method
FUJITSU LTD1 citations47
US12482297B2Nov 25, 2025
Computer-readable recording medium storing information processing program, information processing method, and information processing apparatus
FUJITSU LTD0 citations45
US10861477B2Dec 8, 2020
Recording medium recording utterance impression determination program by changing fundamental frequency of voice signal, utterance impression determination method by changing fundamental frequency of voice signal, and information processing apparatus for utterance impression determination by changing fundamental frequency of voice signal
FUJITSU LTD0 citations41
US10636438B2Apr 28, 2020
Method, information processing apparatus for processing speech, and non-transitory computer-readable storage medium
FUJITSU LTD0 citations41
US10607628B2Mar 31, 2020
Audio processing method, audio processing device, and computer readable storage medium
FUJITSU LTD0 citations41
US10381023B2Aug 13, 2019
Speech evaluation apparatus and speech evaluation method
FUJITSU LTD0 citations41
US10276182B2Apr 30, 2019
Sound processing device and non-transitory computer-readable storage medium
FUJITSU LTD0 citations41
US10094862B2Oct 9, 2018
Sound processing device and sound processing method
FUJITSU LTD0 citations41
US9426570B2Aug 23, 2016
Audio processing device and method
FUJITSU LTD0 citations40
US10403289B2Sep 3, 2019
Voice processing device and voice processing method for impression evaluation
FUJITSU LTD0 citations39
OTANI TAKESHI
4 patentsUS8972248B2Mar 3, 2015
Band broadening apparatus and method
OTANI TAKESHI15 citations83
US8676571B2Mar 18, 2014
Audio signal processing system and audio signal processing method
OTANI TAKESHI6 citations73
US9093077B2Jul 28, 2015
Reverberation suppression device, reverberation suppression method, and computer-readable storage medium storing a reverberation suppression program
OTANI TAKESHI1 citations52
US8526578B2Sep 3, 2013
Voice communication apparatus
OTANI TAKESHI0 citations41
TOGAWA TARO
4 patentsUS8243941B2Aug 14, 2012
Active noise reduction system and active noise reduction method
TOGAWA TARO5 citations61
US8457955B2Jun 4, 2013
Voice reproduction with playback time delay and speed based on background noise and speech characteristics
TOGAWA TARO0 citations40
US8189800B2May 29, 2012
Active silencer and method for controlling active silencer
TOGAWA TARO0 citations40
US8155333B2Apr 10, 2012
Active noise control apparatus
TOGAWA TARO0 citations40
ENDO KAORI
3 patentsUS8560308B2Oct 15, 2013
Speech sound enhancement device utilizing ratio of the ambient to background noise
ENDO KAORI3 citations61
US8280727B2Oct 2, 2012
Voice band expansion device, voice band expansion method, and communication apparatus
ENDO KAORI5 citations61
US8751221B2Jun 10, 2014
Communication apparatus for adjusting a voice signal
ENDO KAORI0 citations40