Patents by Inventor Hiroyuki Shibanuma
Hiroyuki Shibanuma 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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Patent number: 11399799Abstract: According to one embodiment, an ultrasound diagnostic apparatus includes a plurality of probe ports and processing circuitry. An ultrasound probe including transmission circuitry to drive transducers that generate ultrasound is connectible to each of the plurality of probe ports. The processing circuitry generates a control signal for the transmission circuitry or a drive signal to drive the transmission circuitry, according to a position of one of the probe ports to which the ultrasound probe is connected.Type: GrantFiled: April 18, 2019Date of Patent: August 2, 2022Assignee: Canon Medical Systems CorporationInventors: Nobuyuki Iwama, Shuta Fujiwara, Isao Uchiumi, Hiroyuki Shibanuma, Wataru Kameishi, Yuji Kuwana
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Patent number: 11129595Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes at least a memory circuitry, a processing circuitry, a data interpolation circuitry, and an image generating circuitry. The memory circuitry stores a plurality of pieces of reception data in an order of reception, the plurality of pieces of reception data being received continuously in a time series by a plurality of transducers, and specifies reading positions in an order different from the order of reception. The processing circuitry calculates a delay time, and calculates, based on the delay time, reading positions for acquiring reception data being used for calculating interpolation data from the memory circuitry. The data interpolation circuitry calculates interpolating data based on the plurality of pieces of reception data acquired from the calculated reading positions of the memory circuitry. The image generating circuitry generates an ultrasonic image based on a reception beam formed by using the interpolation data.Type: GrantFiled: October 22, 2015Date of Patent: September 28, 2021Assignee: Canon Medical Systems CorporationInventors: Teruki Hagihara, Wataru Kameishi, Hiroyuki Shibanuma, Masaaki Ishitsuka, Shuta Fujiwara, Satoshi Kamiyama, Tomohiro Fujita
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Patent number: 10624606Abstract: An ultrasound diagnostic apparatus according to a present embodiment includes driving pulse generating circuitries and a transmission control circuitry. The transmission control circuitry turns on a switching element of respective driving pulse generating circuitries of the driving pulse generating circuitries to be grounded, and thereby controls so as to make an output impedance of the respective driving pulse generating circuitries become a low impedance. The transmission control circuitry turns off the switching element of the respective driving pulse generating circuitries, and thereby controls so as to make the output impedance become a high impedance by means of a resistance value of the resistance.Type: GrantFiled: December 21, 2015Date of Patent: April 21, 2020Assignee: Canon Medical Systems CorporationInventors: Wataru Kameishi, Hiroyuki Shibanuma, Satoshi Kamiyama, Masaaki Ishitsuka, Tomohiro Fujita, Teruki Hagihara, Shuta Fujiwara
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Patent number: 10575817Abstract: According to one embodiment, an ultrasound diagnosis apparatus transmits ultrasound waves to a subject from a plurality of transducers each corresponding to one of a plurality of channels, and receives reflected waves generated in the subject by the transducers. The ultrasound diagnosis apparatus includes a control circuit and a receiving circuit. The control circuit controls channels used to transmit ultrasound waves and channels not used to transmit ultrasound waves among the channels. The receiving circuit receives the reflected waves, and includes a preamplifier and an impedance control circuit. The preamplifier amplifies the reflected waves. The impedance control circuit is located on the upstream side of the preamplifier, and sets line impedance in a transmitting period, in which the ultrasound waves are transmitted from the transducers to the inside of the subject, to be lower than that in a receiving period, in which the reflected waves are received by the transducers.Type: GrantFiled: February 8, 2017Date of Patent: March 3, 2020Assignee: Canon Medical Systems CorporationInventors: Hiroyuki Shibanuma, Isao Uchiumi, Nobuyuki Iwama, Wataru Kameishi, Yuhei Fukuo
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Patent number: 10564273Abstract: An ultrasonic diagnostic apparatus according to a present embodiment includes a transmission circuit, a reception circuit, a data processing circuit, an image generating circuit, a switching power supply circuit, and a control circuit. The switching power supply circuit is configured to generate a drive voltage for at least one of the transmission circuit, the reception circuit, the data processing circuit, and the image generating circuit. The control circuit is configured to control the transmission circuit to repeatedly transmit an ultrasonic pulse, and control a timing of a switching operation of the switching power supply circuit to synchronize the timing with a transmission timing or a reception timing of the ultrasonic pulse.Type: GrantFiled: August 25, 2016Date of Patent: February 18, 2020Assignee: Canon Medical Systems CorporationInventors: Nobuyuki Iwama, Yuhei Fukuo, Koichi Morikawa, Wataru Kameishi, Isao Uchiumi, Hiroyuki Shibanuma
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Publication number: 20190321003Abstract: According to one embodiment, an ultrasound diagnostic apparatus includes a plurality of probe ports and processing circuitry. An ultrasound probe including transmission circuitry to drive transducers that generate ultrasound is connectible to each of the plurality of probe ports. The processing circuitry generates a control signal for the transmission circuitry or a drive signal to drive the transmission circuitry, according to a position of one of the probe ports to which the ultrasound probe is connected.Type: ApplicationFiled: April 18, 2019Publication date: October 24, 2019Applicant: Canon Medical Systems CorporationInventors: Nobuyuki IWAMA, Shuta FUJIWARA, Isao UCHIUMI, Hiroyuki SHIBANUMA, Wataru KAMEISHI, Yuji KUWANA
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Patent number: 10123777Abstract: An ultrasound diagnosis apparatus includes a transformer, a first power source, a second power source, and a switching unit. The transformer includes a primary winding and a secondary winding, and drives an ultrasound transducer based on a voltage generated in the secondary winding. The first and second power sources cause a potential difference. The switching unit switches a connection path between the primary winding and at least one of the first and second power sources to a first connection path that connects the first power source to one end of the primary winding and the second power source to the other end, a second connection path that connects the first power source to the other end and the second power source to the one end, or a ground connection path that connects the first power source or the second power source to the ground through the primary winding.Type: GrantFiled: December 21, 2015Date of Patent: November 13, 2018Assignee: Toshiba Medical Systems CorporationInventors: Wataru Kameishi, Hiroyuki Shibanuma, Shuta Fujiwara, Satoshi Kamiyama, Takayuki Shiina, Masaaki Ishitsuka, Tomohiro Fujita, Teruki Hagihara
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Publication number: 20180280001Abstract: A medical image diagnosis apparatus includes a power factor corrector, a DC/DC converter, and a battery device. The power factor corrector is supplied with AC power and generates DC power to drive individual parts of the apparatus. The DC/DC converter converts the voltage of the DC power generated by the power factor corrector to a voltage desired for driving the individual parts. The battery device includes a battery that stores DC power, a discharging circuit that is connected to the downstream side of the power factor corrector and supplies the DC power from the battery to the individual parts, and a charging circuit that is connected to the upstream side of the power factor corrector, and is supplied with AC power and supplies DC power to the battery. The battery device supplies the DC power to the individual parts when the power factor corrector cannot supply the DC power.Type: ApplicationFiled: March 30, 2018Publication date: October 4, 2018Applicant: Canon Medical Systems CorporationInventors: Nobuyuki Iwama, Shuta Fujiwara, Isao Uchiumi, Hiroyuki Shibanuma, Wataru Kameishi
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Publication number: 20170252001Abstract: According to one embodiment, an ultrasound diagnosis apparatus transmits ultrasound waves to a subject from a plurality of transducers each corresponding to one of a plurality of channels, and receives reflected waves generated in the subject by the transducers. The ultrasound diagnosis apparatus includes a control circuit and a receiving circuit. The control circuit controls channels used to transmit ultrasound waves and channels not used to transmit ultrasound waves among the channels. The receiving circuit receives the reflected waves, and includes a preamplifier and an impedance control circuit. The preamplifier amplifies the reflected waves. The impedance control circuit is located on the upstream side of the preamplifier, and sets line impedance in a transmitting period, in which the ultrasound waves are transmitted from the transducers to the inside of the subject, to be lower than that in a receiving period, in which the reflected waves are received by the transducers.Type: ApplicationFiled: February 8, 2017Publication date: September 7, 2017Applicant: Toshiba Medical Systems CorporationInventors: Hiroyuki SHIBANUMA, lsao UCHIUMI, Nobuyuki IWAMA, Wataru KAMEISHI, Yuhei FUKUO
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Patent number: 9649088Abstract: After an ultrasonic diagnosis apparatus is temporally placed on the receptacle of a docking cart to relieve a weight load, the portable ultrasonic diagnosis apparatus is placed at a predetermined position by sliding the apparatus while guiding it along the shapes of the edges of the receptacle. After the portable ultrasonic diagnosis apparatus is slid on the receptacle and rear foot portions come into contact with the stoppers of the receptacle, the front side of the portable ultrasonic diagnosis apparatus is placed on the receptacle. With this operation, front foot portions are fitted in fitting portions, and the portable ultrasonic diagnosis apparatus is placed at an accurate position on the receptacle. In addition, when an operator places the portable ultrasonic diagnosis apparatus on the receptacle or lifts the portable ultrasonic diagnosis apparatus from the receptacle, the fingers which grasp the apparatus are placed in the recessed portions of the receptacle.Type: GrantFiled: September 2, 2009Date of Patent: May 16, 2017Assignee: Toshiba Medical Systems CorporationInventors: Katsuya Hirakui, Hideo Onodera, Takatoshi Okumura, Kazuhito Nakata, Hironobu Hongou, Hiroyuki Shibanuma, Takayuki Shiina
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Publication number: 20170115383Abstract: An ultrasonic diagnostic apparatus according to a present embodiment includes a transmission circuit, a reception circuit, a data processing circuit, an image generating circuit, a switching power supply circuit, and a control circuit. The switching power supply circuit is configured to generate a drive voltage for at least one of the transmission circuit, the reception circuit, the data processing circuit, and the image generating circuit. The control circuit is configured to control the transmission circuit to repeatedly transmit an ultrasonic pulse, and control a timing of a switching operation of the switching power supply circuit to synchronize the timing with a transmission timing or a reception timing of the ultrasonic pulse.Type: ApplicationFiled: August 25, 2016Publication date: April 27, 2017Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Nobuyuki IWAMA, Yuhei FUKUO, Koichi MORIKAWA, Wataru KAMEISHI, Isao UCHIUMI, Hiroyuki SHIBANUMA
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Patent number: 9629611Abstract: Saturation of received signals and generation of artifacts that are associated with tap concentration are prevented from occurring even if the differences in the delay amount between each of transducers are small. The ultrasound diagnosis apparatus comprises a plurality of ultrasound transducers, a plurality of taps, a delay amount calculator, a channel distributor, and a delay processor. The delay amount calculator calculates a first delay amount. The channel distributor specifies the minimum delay amount and the maximum delay amount from the first delay amount. Further, the channel distributor divides the range from the minimum delay amount to the maximum delay amount by the number of taps, and relates each to a tap. The channel distributor also inputs a signal output from an ultrasound transducer to the tap related to the divided range including the corresponding first delay amount.Type: GrantFiled: February 3, 2012Date of Patent: April 25, 2017Assignees: TOSHIBA MEDICAL SYSTEMS CORPORATION, KABUSHIKI KAISHA TOSHIBAInventors: Wataru Kameishi, Hiroyuki Shibanuma, Satoshi Kamiyama, Shuta Fujiwara, Gen Nagano, Takayuki Shiina
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Publication number: 20160183917Abstract: An ultrasound diagnostic apparatus according to a present embodiment includes driving pulse generating circuitries and a transmission control circuitry. The transmission control circuitry turns on a switching element of respective driving pulse generating circuitries of the driving pulse generating circuitries to be grounded, and thereby controls so as to make an output impedance of the respective driving pulse generating circuitries become a low impedance. The transmission control circuitry turns off the switching element of the respective driving pulse generating circuitries, and thereby controls so as to make the output impedance become a high impedance by means of a resistance value of the resistance.Type: ApplicationFiled: December 21, 2015Publication date: June 30, 2016Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Wataru Kameishi, Hiroyuki Shibanuma, Satoshi Kamiyama, Masaaki Ishitsuka, Tomohiro Fujita, Teruki Hagihara, Shuta Fujiwara
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Patent number: 9335404Abstract: An ultrasound diagnosis apparatus in comprising a transformer, a first power source and a second power source, an ultrasound transducer, a processor, and a driving part. The transformer comprises a primary winding and a secondary winding. The first power source and the second power source are connected to the primary winding. The ultrasound transducer is driven by the voltage induced to the secondary winding, and transmits ultrasound waves to a subject, and receives reflected waves reflected by the subject to output the received signal. The processor implements processing on the received signal to generate ultrasound wave images. The driving part drives to change the voltage among a first level voltage based on the first power source, a second level voltage based on the second power source, and a third level voltage between the first level voltage and the second level voltage.Type: GrantFiled: April 19, 2013Date of Patent: May 10, 2016Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Wataru Kameishi, Hiroyuki Shibanuma, Shuta Fujiwara, Satoshi Kamiyama, Takayuki Shiina, Masaaki Ishitsuka, Tomohiro Fujita
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Publication number: 20160120512Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes at least a memory circuitry, a processing circuitry, a data interpolation circuitry, and an image generating circuitry. The memory circuitry stores a plurality of pieces of reception data in an order of reception, the plurality of pieces of reception data being received continuously in a time series by a plurality of transducers, and is specified reading positions in an order different from the order of reception. The processing circuitry calculates a delay time, and calculates, based on the delay time, reading positions for acquiring reception data being used for calculating interpolation data from the memory circuitry. The data interpolation circuitry calculates interpolating data based on the plurality of pieces of reception data acquired from the calculated reading positions of the memory circuitry. The image generating circuitry generates an ultrasonic image based on a reception beam formed by using the interpolation data.Type: ApplicationFiled: October 22, 2015Publication date: May 5, 2016Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEM CORPORATIONInventors: Teruki HAGIHARA, Wataru KAMEISHI, Hiroyuki SHIBANUMA, Masaaki ISHITSUKA, Shuta FUJIWARA, Satoshi KAMIYAMA, Tomohiro FUJITA
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Publication number: 20160106393Abstract: An ultrasound diagnosis apparatus includes a transformer, a first power source, a second power source, and a switching unit. The transformer includes a primary winding and a secondary winding, and drives an ultrasound transducer based on a voltage generated in the secondary winding. The first and second power sources cause a potential difference. The switching unit switches a connection path between the primary winding and at least one of the first and second power sources to a first connection path that connects the first power source to one end of the primary winding and the second power source to the other end, a second connection path that connects the first power source to the other end and the second power source to the one end, or a ground connection path that connects the first power source or the second power source to the ground through the primary winding.Type: ApplicationFiled: December 21, 2015Publication date: April 21, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Wataru KAMEISHI, Hiroyuki SHIBANUMA, Shuta FUJIWARA, Satoshi KAMIYAMA, Takayuki SHllNA, Masaaki ISHITSUKA, Tomohiro FUJITA, Teruki HAGIHARA
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Publication number: 20140307521Abstract: An ultrasound diagnosis apparatus in comprising a transformer, a first power source and a second power source, an ultrasound transducer, a processor, and a driving part. The transformer comprises a primary winding and a secondary winding. The first power source and the second power source are connected to the primary winding. The ultrasound transducer is driven by the voltage induced to the secondary winding, and transmits ultrasound waves to a subject, and receives reflected waves reflected by the subject to output the received signal. The processor implements processing on the received signal to generate ultrasound wave images. The driving part drives to change the voltage among a first level voltage based on the first power source, a second level voltage based on the second power source, and a third level voltage between the first level voltage and the second level voltage.Type: ApplicationFiled: April 19, 2013Publication date: October 16, 2014Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Wataru Kameishi, Hiroyuki Shibanuma, Shuta Fujiwara, Satoshi Kamiyama, Takayuki Shiina, Masaaki Ishitsuka, Tomohiro Fujita
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Publication number: 20130338499Abstract: Saturation of received signals and generation of artifacts that are associated with tap concentration are prevented from occurring even if the differences in the delay amount between each of transducers are small. The ultrasound diagnosis apparatus comprises a plurality of ultrasound transducers, a plurality of taps, a delay amount calculator, a channel distributor, and a delay processor. The delay amount calculator calculates a first delay amount. The channel distributor specifies the minimum delay amount and the maximum delay amount from the first delay amount. Further, the channel distributor divides the range from the minimum delay amount to the maximum delay amount by the number of taps, and relates each to a tap. The channel distributor also inputs a signal output from an ultrasound transducer to the tap related to the divided range including the corresponding first delay amount.Type: ApplicationFiled: February 3, 2012Publication date: December 19, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Wataru Kameishi, Hiroyuki Shibanuma, Satoshi Kamiyama, Shuta Fujiwara, Gen Nagano, Takayuki Shiina
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Publication number: 20100056913Abstract: After an ultrasonic diagnosis apparatus is temporally placed on the receptacle of a docking cart to relieve a weight load, the portable ultrasonic diagnosis apparatus is placed at a predetermined position by sliding the apparatus while guiding it along the shapes of the edges of the receptacle. After the portable ultrasonic diagnosis apparatus is slid on the receptacle and rear foot portions come into contact with the stoppers of the receptacle, the front side of the portable ultrasonic diagnosis apparatus is placed on the receptacle. With this operation, front foot portions are fitted in fitting portions, and the portable ultrasonic diagnosis apparatus is placed at an accurate position on the receptacle. In addition, when an operator places the portable ultrasonic diagnosis apparatus on the receptacle or lifts the portable ultrasonic diagnosis apparatus from the receptacle, the fingers which grasp the apparatus are placed in the recessed portions of the receptacle.Type: ApplicationFiled: September 2, 2009Publication date: March 4, 2010Inventors: Katsuya HIRAKUI, Hideo Onodera, Takatoshi Okumura, Kazuhito Nakata, Hironobu Hongou, Hiroyuki Shibanuma, Takayuki Shiina
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Patent number: 5642157Abstract: An electronic endoscope apparatus which is used in combination with another medical diagnosis apparatus for medical diagnosis, includes a monitor for displaying the image based on a video signal from the endoscope or displaying both of the image based on a video signal from the endoscope and the image based on a video signal from the other medical diagnosis apparatus on the same screen, and a display switching controller for receiving the video signal from the other medical diagnosis apparatus and selectively switching the video signal to be displayed on the screen between the video signal from the endoscope and both of the video signals from the endoscope and the other medical diagnosis apparatus to display the image based on the selected video signal.Type: GrantFiled: November 14, 1994Date of Patent: June 24, 1997Assignee: Kabushiki Kaisha ToshibaInventor: Hiroyuki Shibanuma