Patents by Inventor Yasuo Miyajima

Yasuo Miyajima 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).

  • Patent number: 10905402
    Abstract: An ultrasound apparatus includes a memory storing reference data of previous images for a selected anatomical region and a predetermined measurement count for the selected anatomical region. The ultrasound apparatus also includes processing circuitry configured to perform measurement acquisition on obtained ultrasound image data of a patient to generate at least one measurement result, display the generated at least one measurement result, calculate measurement metrics of the at least one measurement result, and display the calculated measurement metrics along with guidance for an operator of the ultrasound apparatus, the guidance being determined based on the calculated measurement metrics and the at least one measurement result.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: February 2, 2021
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Gilles Daniel Joseph Guenette, Yasuo Miyajima
  • Patent number: 10765401
    Abstract: An ultrasonic diagnostic device according to an embodiment includes an ultrasonic probe and transformer circuitry. The ultrasonic probe transmits ultrasonic waves to a subject and converts reflection waves reflected by the subject to a reflection wave signal. The transformer circuitry includes an auto transformer that transforms the reflection wave signal at a transformation ratio in accordance with a control signal based on information related to the ultrasonic probe among a plurality of transformation ratios.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: September 8, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Isao Uchiumi, Nobuyuki Iwama, Yasuo Miyajima, Hironobu Hongou, Takatoshi Okumura, Koichi Morikawa
  • Patent number: 10226237
    Abstract: An ultrasonic diagnosis apparatus includes an ultrasonic probe, an image generation unit, a display unit, and a control unit. The image generation unit generates image data from a reflected wave received from the ultrasonic probe. The display unit displays the image data. The ultrasonic probe includes a plurality of temperature sensors that measure the temperature of the ultrasonic probe and a switching circuit that is connected to the respective temperature sensors and switches connection to any one of the temperature sensors to a valid state to output data from the temperature sensors to a temperature detector. The control unit includes an instruction unit that instructs the switching circuit to switch connection to any one of the temperature sensors to a valid state at a predetermined time interval and a determination unit that determines whether a temperature measured by the temperature detector is within a set temperature range.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: March 12, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yasuo Miyajima, Hironobu Hongou, Isao Uchiumi, Nobuyuki Iwama, Koichi Morikawa, Takatoshi Okumura
  • Patent number: 10226229
    Abstract: To provide an ultrasound diagnosis apparatus capable of appropriately assigning a transmission delay time of a group to a transducer without complicated wires. The ultrasound diagnosis apparatus of the embodiment comprises a plurality of transducers, a timing pulse generator, a switch part, and a switch controller. Ultrasound waves are transmitted to the transducers. The timing pulse generator has output terminals for outputting timing pulses based on a delay time to a channel corresponding to each of the transducers, in which a plurality of output terminals are divided into groups and each group has the output terminals of a specific number greater than two. The timing pulse generator then generates the transmission delay time within a predetermined time range for the each group. The switch part selectively connects the channels with the output terminals.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: March 12, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Hironobu Hongou, Yasuo Miyajima, Nobuyuki Iwama, Isao Uchiumi, Masaaki Ishitsuka, Toru Hirano
  • Patent number: 10130336
    Abstract: An ultrasound probe and ultrasonic diagnosis apparatus that can maintain surface temperature of an ultrasound probe within a safe range, without reduction in performance. The ultrasound probe includes a casing, a transducer, an electronic circuit, and a heat-transfer construction. Elements of the transducer are aligned at one end of the casing and send out ultrasound waves in accordance with their respective delay times. The electronic circuit, disposed in the casing, includes a delay circuit setting delay times and pulsers for generating pulses in accordance with the delay times, the pulses being sent to the transducer. While the electronic circuit is being energized, the heat-transfer construction disposes a member having a low heat conductivity at least either between the electronic circuit and the casing or between the electronic circuit and the transducer. Thereby, heat from the electronic circuit is conducted to the other end of the casing.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: November 20, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yasuo Miyajima, Hironobu Hongou, Toru Hirano, Isao Uchiumi, Nobuyuki Iwama, Masaaki Ishitsuka
  • Publication number: 20180028161
    Abstract: An ultrasound apparatus includes a memory storing reference data of previous images for a selected anatomical region and a predetermined measurement count for the selected anatomical region. The ultrasound apparatus also includes processing circuitry configured to perform measurement acquisition on obtained ultrasound image data of a patient to generate at least one measurement result, display the generated at least one measurement result, calculate measurement metrics of the at least one measurement result, and display the calculated measurement metrics along with guidance for an operator of the ultrasound apparatus, the guidance being determined based on the calculated measurement metrics and the at least one measurement result.
    Type: Application
    Filed: July 27, 2016
    Publication date: February 1, 2018
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Gilles Daniel Joseph GUENETTE, Yasuo MIYAJIMA
  • Patent number: 9606227
    Abstract: A spatial position x? of each ultrasonic transducer is accurately obtained for each probe in consideration of each edge transducer gap, and a delay time T(x?(n)) and a weighting coefficient W(x?(n)) are calculated on the basis of the position of each ultrasonic transducer. A control unit executes ultrasonic transmission/reception by using the calculated delay times and weighting coefficients to realize a suitable acoustic field with high deflection angle accuracy, small sidelobes, and the like as compared with the prior art.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: March 28, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tatsuro Baba, Takuya Sasaki, Satoru Tezuka, Yasuo Miyajima
  • Publication number: 20150359511
    Abstract: An ultrasonic diagnostic device according to an embodiment includes an ultrasonic probe and transformer circuitry. The ultrasonic probe transmits ultrasonic waves to a subject and converts reflection waves reflected by the subject to a reflection wave signal. The transformer circuitry includes an auto transformer that transforms the reflection wave signal at a transformation ratio in accordance with a control signal based on information related to the ultrasonic probe among a plurality of transformation ratios.
    Type: Application
    Filed: June 11, 2015
    Publication date: December 17, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Isao UCHIUMI, Nobuyuki IWAMA, Yasuo MIYAJIMA, Hironobu HONGOU, Takatoshi OKUMURA, Koichi MORIKAWA
  • Patent number: 9168019
    Abstract: An ultrasonic diagnostic device is characterized by being provided with a cooling mechanism for cooling an ultrasonic vibrator by circulating a refrigerant in a cable of an ultrasonic probe in which the ultrasonic vibrator is provided, a cooling abnormality detecting means for detecting the abnormal state of the cooling mechanism, and an operating means for, when the abnormal state of the cooling mechanism is detected by the cooling abnormality detecting means, performing a degraded operation in which the transmission/reception condition of the ultrasonic vibrator is changed according to the detected abnormal state.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: October 27, 2015
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventor: Yasuo Miyajima
  • Publication number: 20150216508
    Abstract: An ultrasound diagnosis apparatus includes a transmitting and receiving circuitry, an input circuitry, and a processing circuitry. The transmitting and receiving circuitry transmits a first ultrasound wave used for changing the shape of a tissue in the body of a patient and transmits/receives a second ultrasound wave that is transmitted/received with timing different from that of the first ultrasound wave. The input circuitry receives an input of a request indicating that the first ultrasound wave should be transmitted. When the input circuitry has received the input of the request indicating that the first ultrasound wave should be transmitted, the processing circuitry controls the transmission of the first ultrasound wave in accordance with the strength of a reflected-wave signal of the second ultrasound wave or one or more pixel values of an image resulting from an imaging process performed by using the reflected-wave signal of the second ultrasound wave.
    Type: Application
    Filed: April 17, 2015
    Publication date: August 6, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Nobuyuki IWAMA, Hironobu HONGOU, Isao UCHIUMI, Koichi MORIKAWA, Yasuo MIYAJIMA, Takatoshi OKUMURA
  • Publication number: 20150164483
    Abstract: An ultrasonic diagnosis apparatus includes an ultrasonic probe, an image generation unit, a display unit, and a control unit. The image generation unit generates image data from a reflected wave received from the ultrasonic probe. The display unit displays the image data. The ultrasonic probe includes a plurality of temperature sensors that measure the temperature of the ultrasonic probe and a switching circuit that is connected to the respective temperature sensors and switches connection to any one of the temperature sensors to a valid state to output data from the temperature sensors to a temperature detector. The control unit includes an instruction unit that instructs the switching circuit to switch connection to any one of the temperature sensors to a valid state at a predetermined time interval and a determination unit that determines whether a temperature measured by the temperature detector is within a set temperature range.
    Type: Application
    Filed: February 26, 2015
    Publication date: June 18, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yasuo MIYAJIMA, Hironobu HONGOU, Isao UCHIUMI, Nobuyuki IWAMA, Koichi MORIKAWA, Takatoshi OKUMURA
  • Patent number: 8834375
    Abstract: To be able to control an aperture in ultrasound transducer units comprised such that the signals from a plurality of ultrasound transducers are added and output. An ultrasound probe comprising a plurality of ultrasound transducers, a plurality of delay circuits, and an adder circuit, and configured to be able to control a reception aperture of ultrasound waves. The delay circuit performs a delay processing to reception signals. The adder circuit adds and outputs the reception signals for each predetermined group. The ultrasound probe further comprises a gate means. The gate means switches connection and disconnection of the signal path for each signal path arranged between the ultrasound transducer and the adder circuit.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: September 16, 2014
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hironobu Hongou, Yasuo Miyajima, Toru Hirano, Isao Uchiumi, Nobuyuki Iwama, Masaaki Ishitsuka
  • Publication number: 20140121519
    Abstract: According to one embodiment, an ultrasonic diagnostic apparatus comprises an ultrasonic probe, a transmission unit, a reception unit, a correction unit, an image processing unit and a display unit. The ultrasonic probe includes a plurality of ultrasonic transducer elements. The reception unit stores a plurality of image generation reception signals corresponding to the plurality of ultrasonic transducer elements, generates a reception beam in accordance a predetermined reception condition by using each of the stored image generation reception signals, and stores a plurality of correction reception signals corresponding to the plurality of ultrasonic transducer elements. The correction unit receives the plurality of correction reception signals and corrects at least one of the transmission conditions and the reception condition based on the plurality of correction reception signals.
    Type: Application
    Filed: January 3, 2014
    Publication date: May 1, 2014
    Applicants: Toshiba Medical Systems Corporation, KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasuo MIYAJIMA, Nobuyuki Iwama, Isao Uchiumi, Masaaki Ishitsuka, Toru Hirano, Hironobu Hongou
  • Publication number: 20130310695
    Abstract: To provide an ultrasound diagnosis apparatus capable of appropriately assigning a transmission delay time of a group to a transducer without complicated wires. The ultrasound diagnosis apparatus of the embodiment comprises a plurality of transducers, a timing pulse generator, a switch part, and a switch controller. Ultrasound waves are transmitted to the transducers. The timing pulse generator has output terminals for outputting timing pulses based on a delay time to a channel corresponding to each of the transducers, in which a plurality of output terminals are divided into groups and each group has the output terminals of a specific number greater than two. The timing pulse generator then generates the transmission delay time within a predetermined time range for the each group. The switch part selectively connects the channels with the output terminals.
    Type: Application
    Filed: August 10, 2012
    Publication date: November 21, 2013
    Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha Toshiba
    Inventors: Hironobu Hongou, Yasuo Miyajima, Nobuyuki Iwama, Isao Uchiumi, Masaaki Ishitsuka, Toru Hirano
  • Publication number: 20130303918
    Abstract: An ultrasound probe and ultrasonic diagnosis apparatus that can maintain surface temperature of an ultrasound probe within a safe range, without reduction in performance. The ultrasound probe includes a casing, a transducer, an electronic circuit, and a heat-transfer construction. Elements of the transducer are aligned at one end of the casing and send out ultrasound waves in accordance with their respective delay times. The electronic circuit, disposed in the casing, includes a delay circuit setting delay times and pulsers for generating pulses in accordance with the delay times, the pulses being sent to the transducer. While the electronic circuit is being energized, the heat-transfer construction disposes a member having a low heat conductivity at least either between the electronic circuit and the casing or between the electronic circuit and the transducer. Thereby, heat from the electronic circuit is conducted to the other end of the casing.
    Type: Application
    Filed: August 21, 2012
    Publication date: November 14, 2013
    Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha Toshiba
    Inventors: Yasuo Miyajima, Hironobu Hongou, Toru Hirano, Isao Uchiumi, Nobuyuki Iwama, Masaaki Ishitsuka
  • Patent number: 8372010
    Abstract: There is provided an ultrasonic wave diagnosis instrument. The ultrasonic wave Doppler diagnosis instrument transmits an ultrasonic continuous wave in a range direction and receives a reflective wave of the ultrasonic continuous wave. The ultrasonic wave Doppler diagnosis instrument includes: a modulation unit that subjects the ultrasonic continuous wave to frequency modulation such that a phase is varied in accordance with the distance of the range direction; a demodulation unit that demodulates the reflective wave for each range of the range direction while interlocking with the frequency modulation, and generates a reception signal in the range in a separated state; and a presentation unit that presents information by using a signal of a Doppler component based on the reception signal.
    Type: Grant
    Filed: October 19, 2005
    Date of Patent: February 12, 2013
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Tatsuro Baba, Yasuo Miyajima, Takeshi Sato, Tetsuya Kawagishi, Yasutsugu Seo, Yoshitaka Mine
  • Publication number: 20120310096
    Abstract: To be able to control an aperture in ultrasound transducer units comprised such that the signals from a plurality of ultrasound transducers are added and output. An ultrasound probe comprising a plurality of ultrasound transducers, a plurality of delay circuits, and an adder circuit, and configured to be able to control a reception aperture of ultrasound waves. The delay circuit performs a delay processing to reception signals. The adder circuit adds and outputs the reception signals for each predetermined group. The ultrasound probe further comprises a gate means. The gate means switches connection and disconnection of the signal path for each signal path arranged between the ultrasound transducer and the adder circuit.
    Type: Application
    Filed: December 20, 2011
    Publication date: December 6, 2012
    Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha Toshiba
    Inventors: Hironobu Hongou, Yasuo Miyajima, Toru Hirano, Isao Uchiumi, Nobuyuki Iwama, Masaaki Ishitsuka
  • Patent number: 8091428
    Abstract: An ultrasonic probe has a plurality of modules joined at least along the elevation direction. The module has a plurality of first piezoelectric transducers having a first width with respect to the elevation direction. The module has at least one second piezoelectric transducer having a second width narrower than the first width with respect to the elevation direction. The second piezoelectric transducer is arranged at the module ends with respect to the elevation direction. The module is arranged in such a manner that the second piezoelectric transducer faces the second piezoelectric transducer of the adjacent module.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: January 10, 2012
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Takashi Takeuchi, Yasuo Miyajima, Takashi Ogawa
  • Publication number: 20110230767
    Abstract: An ultrasonic diagnostic device is characterized by being provided with a cooling mechanism for cooling an ultrasonic vibrator by circulating a refrigerant in a cable of an ultrasonic probe in which the ultrasonic vibrator is provided, a cooling abnormality detecting means for detecting the abnormal state of the cooling mechanism, and an operating means for, when the abnormal state of the cooling mechanism is detected by the cooling abnormality detecting means, performing a degraded operation in which the transmission/reception condition of the ultrasonic vibrator is changed according to the detected abnormal state.
    Type: Application
    Filed: June 23, 2010
    Publication date: September 22, 2011
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventor: Yasuo Miyajima
  • Publication number: 20110201936
    Abstract: An ultrasound probe according to one embodiment includes a plurality of ultrasound vibrators, a switching part, and an amplification part. The ultrasound vibrator transmits ultrasound and receives ultrasound echoes reflected within a subject. The switching part is configured to cause aperture movement of ultrasound beams by selectively switching signals from two or more of the ultrasound vibrators. The amplification part is configured to amplify signals from the switching part. The ultrasound probe receives signals from the plurality of ultrasound vibrators in a time-division manner by controlling the switching part. In addition, the ultrasound probe further comprises an impedance transforming part. The impedance transforming part is configured to be interposed between the ultrasound vibrator and the switching part, receive signals from the ultrasound vibrator at high impedance, and output such to the switching part at low impedance.
    Type: Application
    Filed: February 8, 2011
    Publication date: August 18, 2011
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Yasuo MIYAJIMA