Patents by Inventor Hirofumi Taki
Hirofumi Taki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240091563Abstract: The present invention provides a device for treating dementia, including: a plurality of ultrasound probes; an ultrasound transducer arranged in each of the ultrasound probes and configured to propagate unfocused ultrasound energy to a brain; and an ultrasound generator connected to each of the ultrasound probes.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Inventors: Hiroaki SHIMOKAWA, Hiroshi KANAI, Hirofumi TAKI, Kumiko EGUCHI, Tomohiro SHINDO
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Patent number: 11890492Abstract: The present invention provides a device for treating dementia, including: a plurality of ultrasound probes; an ultrasound transducer arranged in each of the ultrasound probes and configured to propagate unfocused ultrasound energy to a brain; and an ultrasound generator connected to each of the ultrasound probes.Type: GrantFiled: March 30, 2018Date of Patent: February 6, 2024Assignee: SOUND WAVE INNOVATION CO., LTD.Inventors: Hiroaki Shimokawa, Hiroshi Kanai, Hirofumi Taki, Kumiko Eguchi, Tomohiro Shindo
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Publication number: 20220346705Abstract: A snoring sound detection apparatus includes one or plural microphones that receive sounds produced by a subject, and a controller including circuitry which converts the sounds produced by the subject to received signals, converts the received signals to sound intensity signals, measures the periodicity of sound intensity signal using one or plural sound intensity signals, evaluates the validity of the periodicity of sound intensity signal in terms of respiratory rate, and detects snoring sound using the sound intensity and the validity of the periodicity of sound intensity signal in terms of respiratory rate.Type: ApplicationFiled: September 30, 2020Publication date: November 3, 2022Applicant: MaRI CO., LTD.Inventors: Hirofumi TAKI, Shigeaki OKUMURA, Kazushi MORIMOTO, Hiroaki OKINAKA
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Publication number: 20220288332Abstract: A flow monitoring apparatus includes one or plural hydrophones that receive plural sounds transmitted through a tube wall and/or inside a tube, and a controller including circuitry which converts the plural sounds received by one or plural hydrophones to received signals, extracts flow information from the received signals, evaluates flow rate in a tube, and transmits the volume flowing in a tube per unit of time.Type: ApplicationFiled: September 2, 2020Publication date: September 15, 2022Applicant: MaRI Co., Ltd.Inventors: Hirofumi TAKI, Kazuo CHIN
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Publication number: 20220273310Abstract: A vascular corrective appliance and a supporting method for an anastomosis part capable of reducing or preventing narrowing at an anastomosis part between vessels and/or narrowing in the vicinity of the anastomosis part wherein the vascular corrective appliance and the supporting method are configured to support a first vessel and a second vessel from their outer sides in such a manner that an angle formed between a blood flow direction of the first vessel and a blood flow direction of the second vessel at an anastomosis part where the first vessel is anastomosed in a branch pattern with the second vessel becomes an acute angle, and that the first vessel is curved on a downstream side from the anastomosis part to extend toward an upstream side of the second vessel from the anastomosis part.Type: ApplicationFiled: July 16, 2020Publication date: September 1, 2022Applicant: TOHOKU UNIVERSITYInventors: Ai KAJIYAMA, Tomo KINOSHITA, Yuiko TSUJIMOTO, Shinya YOSHIDA, Kei TAKASE, Shinichi IZUMI, Ryoichi NAGATOMI, Yosuke HARA, Hirofumi TAKI
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Publication number: 20220047839Abstract: A sleep apnea treatment apparatus including a stimulation device that applies a stimulation to a subject, and a controller including circuitry which receives sounds produced by the subject, converts the sounds to received sound signals, obtains snoring sound information from the received sound signals, calculates an impact of snoring sound produced by the subject based on the snoring sound information, and causes the stimulation device to apply the stimulation to the subject when the impact is higher than a threshold.Type: ApplicationFiled: November 29, 2019Publication date: February 17, 2022Applicant: MaRI Co., Ltd.Inventors: Hirofumi TAKI, Yoshiaki MOTOYAMA, Shigeaki OKUMURA
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Patent number: 11114083Abstract: An anti-snoring apparatus including a low frequency sound generating device that applies a low frequency sound to a subject producing a snoring sound, and a controller including circuitry that converts the snoring sound to a received signal, obtain snoring sound information from the received signal, process the snoring sound information such that an impact of the snoring sound is determined based on the snoring sound information, and cause the low frequency sound generating device to apply the low frequency sound to the subject when the impact is higher than a threshold.Type: GrantFiled: May 24, 2018Date of Patent: September 7, 2021Assignee: MaRI Co., Ltd.Inventors: Hirofumi Taki, Rodrigo Bornhausen-Demarch, Yizhe Wu, Rie Tomizawa
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Publication number: 20200289855Abstract: The present invention provides a device for treating dementia, including: a plurality of ultrasound probes; an ultrasound transducer arranged in each of the ultrasound probes and configured to propagate unfocused ultrasound energy to a brain; and an ultrasound generator connected to each of the ultrasound probes.Type: ApplicationFiled: March 30, 2018Publication date: September 17, 2020Inventors: Hiroaki SHIMOKAWA, Hiroshi KANAI, Hirofumi TAKI, Kumiko EGUCHI, Tomohiro SHINDO
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Patent number: 10772607Abstract: A subject information acquisition apparatus includes a converter configured to receive reflected waves from a contrast medium within a target area inside a subject, and a pressure information acquisition unit configured to acquire pressure information within the target area. In this case, the converter receives reflected waves from a contrast medium in each of a first period and a second period in which a pressure within the target area is different from the first period. The pressure information acquisition unit acquires pressure information in the second period within the target area based on a receive signal based on reflected waves in the first period, a receive signal based on a reflected wave in the second period, and pressure information on a region different from the target area, the pressure information being acquired in the first period.Type: GrantFiled: February 2, 2015Date of Patent: September 15, 2020Assignee: Canon Kabushiki KaishaInventors: Takahiro Manjo, Hirofumi Taki, Toru Sato, Masaharu Akao, Kenichi Nagae
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Publication number: 20200160828Abstract: An anti-snoring apparatus including a low frequency sound generating device that applies a low frequency sound to a subject producing a snoring sound, and a controller including circuitry that converts the snoring sound to a received signal, obtain snoring sound information from the received signal, process the snoring sound information such that an impact of the snoring sound is determined based on the snoring sound information, and cause the low frequency sound generating device to apply the low frequency sound to the subject when the impact is higher than a threshold.Type: ApplicationFiled: May 24, 2018Publication date: May 21, 2020Applicant: MaRI Co., Ltd,Inventors: Hirofumi TAKI, Rodrigo BORNHAUSEN-DEMARCH, Yizhe WU, Rie TOMIZAWA
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Patent number: 10426440Abstract: A subject information obtaining apparatus includes: a plurality of conversion elements configured to receive an elastic wave and convert the elastic wave into a plurality of received signals, a storage unit configured to store a plurality of reference signals corresponding to shapes of the object inside a subject, and an FDI adaptive processing unit configured to execute the FDI method and the adaptive signal processing using the plurality of received signals and two or more reference signals among the plurality of reference signals, in order to obtain two or more power intensity distributions for the two or more reference signals.Type: GrantFiled: August 29, 2012Date of Patent: October 1, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Kenichi Nagae, Hirofumi Taki, Takuya Sakamoto, Toru Sato
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Patent number: 10426443Abstract: Provided is an object information acquiring apparatus including elements with which an acoustic wave is transmitted to and received from an object and converted into a plurality of received signals, a processor that acquires a power intensity signal of the inside of the object, and a corrector that corrects the power intensity signal, the processor being configured to calculate correlation values of frequency components, perform frequency average processing on a correlation matrix that is a set of the plurality of calculated correlation values to acquire a first power intensity signal, and reduce variance of elements in the diagonal direction of the correlation matrix to acquire a second power intensity signal, and the corrector being configured to output a power intensity signal subjected to correction processing.Type: GrantFiled: July 25, 2017Date of Patent: October 1, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Hirofumi Taki, Kenichi Nagae, Toru Sato
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Publication number: 20180348366Abstract: A subject information acquisition apparatus of the present invention includes a transmission/reception unit including a plurality conversion elements which transmit an elastic wave to the subject and receive a reflected wave that is reflected at each position in the subject, a scan line signal acquisition unit which acquires a plurality of signals corresponding to the reflected waves from each position in the subject as scan line signals by using a plurality of reception signals outputted from the conversion elements, and a processing unit which acquires moving information of the object by using the plurality of scan line signals. The processing unit acquires the moving information of the object on the basis of a distribution of cross-correlation values on a plane represented by two axes including an axis of time difference and an axis of distance difference by using a plurality of cross-correlation values between scan line signals at different positions.Type: ApplicationFiled: August 10, 2018Publication date: December 6, 2018Inventors: Hirofumi Taki, Kenichi Nagae, Toru Sato, Junichi Morimoto
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Patent number: 10107909Abstract: A subject information acquisition apparatus of the present invention includes a transmission/reception unit including a plurality conversion elements which transmit an elastic wave to the subject and receive a reflected wave that is reflected at each position in the subject, a scan line signal acquisition unit which acquires a plurality of signals corresponding to the reflected waves from each position in the subject as scan line signals by using a plurality of reception signals outputted from the conversion elements, and a processing unit which acquires moving information of the object by using the plurality of scan line signals. The processing unit acquires the moving information of the object on the basis of a distribution of cross-correlation values on a plane represented by two axes including an axis of time difference and an axis of distance difference by using a plurality of cross-correlation values between scan line signals at different positions.Type: GrantFiled: October 22, 2012Date of Patent: October 23, 2018Assignee: Canon Kabushiki KaishaInventors: Hirofumi Taki, Kenichi Nagae, Toru Sato, Junichi Morimoto
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Patent number: 10048373Abstract: An object information acquisition apparatus according to an embodiment of the present invention includes a plurality of transducer elements each configured to transmit an acoustic wave to an object, to receive reflected waves reflected from inside the object, and to convert the reflected waves into a time-series reception signal; and a processor configured to perform frequency domain interferometry combined with adaptive signal processing by using the reception signals output from the plurality of transducer elements and a reference signal so as to obtain acoustic characteristics at a plurality of positions located inside the object. The processor is configured to switch the reference signal to another reference signal at least once in accordance with a target position located inside the object while performing the frequency domain interferometry so as to obtain the acoustic characteristics at the plurality of positions located inside the object.Type: GrantFiled: May 3, 2017Date of Patent: August 14, 2018Assignee: Canon Kabushiki KaishaInventors: Hirofumi Taki, Kenichi Nagae, Toru Sato
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Publication number: 20170319181Abstract: Provided is an object information acquiring apparatus including elements with which an acoustic wave is transmitted to and received from an object and converted into a plurality of received signals, a processor that acquires a power intensity signal of the inside of the object, and a corrector that corrects the power intensity signal, the processor being configured to calculate correlation values of frequency components, perform frequency average processing on a correlation matrix that is a set of the plurality of calculated correlation values to acquire a first power intensity signal, and reduce variance of elements in the diagonal direction of the correlation matrix to acquire a second power intensity signal, and the corrector being configured to output a power intensity signal subjected to correction processing.Type: ApplicationFiled: July 25, 2017Publication date: November 9, 2017Inventors: Hirofumi Taki, Kenichi Nagae, Toru Sato
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Patent number: 9757093Abstract: Provided is an object information acquiring apparatus including elements with which an acoustic wave is transmitted to and received from an object and converted into a plurality of received signals, a processor that acquires a power intensity signal of the inside of the object, and a corrector that corrects the power intensity signal, the processor being configured to calculate correlation values of frequency components, perform frequency average processing on a correlation matrix that is a set of the plurality of calculated correlation values to acquire a first power intensity signal, and reduce variance of elements in the diagonal direction of the correlation matrix to acquire a second power intensity signal, and the corrector being configured to output a power intensity signal subjected to correction processing.Type: GrantFiled: January 16, 2014Date of Patent: September 12, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Hirofumi Taki, Kenichi Nagae, Toru Sato
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Publication number: 20170234982Abstract: An object information acquisition apparatus according to an embodiment of the present invention includes a plurality of transducer elements each configured to transmit an acoustic wave to an object, to receive reflected waves reflected from inside the object, and to convert the reflected waves into a time-series reception signal; and a processor configured to perform frequency domain interferometry combined with adaptive signal processing by using the reception signals output from the plurality of transducer elements and a reference signal so as to obtain acoustic characteristics at a plurality of positions located inside the object. The processor is configured to switch the reference signal to another reference signal at least once in accordance with a target position located inside the object while performing the frequency domain interferometry so as to obtain the acoustic characteristics at the plurality of positions located inside the object.Type: ApplicationFiled: May 3, 2017Publication date: August 17, 2017Inventors: Hirofumi Taki, Kenichi Nagae, Toru Sato
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Patent number: 9709675Abstract: An object information acquisition apparatus according to an embodiment of the present invention includes a plurality of transducer elements each configured to transmit an acoustic wave to an object, to receive reflected waves reflected from inside the object, and to convert the reflected waves into a time-series reception signal; and a processor configured to perform frequency domain interferometry combined with adaptive signal processing by using the reception signals output from the plurality of transducer elements and a reference signal so as to obtain acoustic characteristics at a plurality of positions located inside the object. The processor is configured to switch the reference signal to another reference signal at least once in accordance with a target position located inside the object while performing the frequency domain interferometry so as to obtain the acoustic characteristics at the plurality of positions located inside the object.Type: GrantFiled: April 15, 2014Date of Patent: July 18, 2017Assignee: Canon Kabushiki KaishaInventors: Hirofumi Taki, Kenichi Nagae, Toru Sato
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Patent number: 9689974Abstract: An ultrasound image forming method comprises a first step of receiving a first signal reflected from the object, a second step of obtaining an aberration correction value based on the first signal thus received, a third step of receiving a second signal reflected from the object when a second ultrasound corrected based on the aberration correction value is transmitted to the object, and a fourth step of forming an image from the aberration correction value and the second signal. The center frequency of the second ultrasound is between 0.5 MHz and 20 MHz, the center frequency of the first ultrasound is between 3/16 and 9/20 of the center frequency of the second ultrasound. By this method, an accurate aberration correction value can be obtained and an ultrasound imaging with high resolution can be achieved even if aberrations are large and difficult to correct.Type: GrantFiled: April 3, 2009Date of Patent: June 27, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Yasuhiro Someda, Kenichi Nagae, Katsuya Oikawa, Keishi Saito, Yasuyoshi Takai, Hirofumi Taki, Toru Sato