Patents by Inventor Akihiro Kakee

Akihiro Kakee 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: 10342514
    Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes a setting unit, a transmitter, a signal processing unit, and an image generating unit. The setting unit sets a plurality of ROIs within a scanning region. The transmitter transmits an ultrasonic wave for displacement generation on a plurality of transmission conditions corresponding to the respective ROIs from an ultrasonic probe and transmits an ultrasonic wave for observation that observes a displacement generated by each transmission of the ultrasonic wave for displacement generation, from the ultrasonic probe a plurality of times. The signal processing unit analyzes a plurality of pieces of reflected wave data, acquires a plurality of pieces of displacement information, and calculates distribution information on the respective transmission conditions. The image generating unit generates a plurality of pieces of image data based on the pieces of distribution information and composite image data by composing the pieces of image data.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: July 9, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yuko Kanayama, Akihiro Kakee, Tetsuya Kawagishi
  • Publication number: 20190175147
    Abstract: The ultrasonic diagnostic apparatus according to the present embodiment includes processing circuitry. The processing circuitry is configured to determine a scan region of an ultrasonic wave according to a scan target. The processing circuitry is configured to set a pulse repetition frequency for each raster of rasters so as to correspond to the scan region. The processing circuitry is configured to control a scan performance according to the pulse repetition frequency.
    Type: Application
    Filed: December 10, 2018
    Publication date: June 13, 2019
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Chihiro SHIBATA, Akihiro KAKEE, Kuramitsu NISHIHARA
  • Patent number: 10234557
    Abstract: A signal processing apparatus of an embodiment includes processing circuitry and control circuitry. The processing circuitry acquires a plurality of IQ signals obtained by performing a plurality of processing with different conditions on reflected wave signals generated at a transducer element included in an ultrasound probe. The processing circuitry generates a compound signal compounded by non-linear processing of the IQ signals. The control circuitry causes a display to display image data based on the compound signal.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: March 19, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yasunori Honjo, Yasuhiko Abe, Tetsuya Kawagishi, Akihiro Kakee, Takeshi Sato, Makoto Hirama
  • Patent number: 10226231
    Abstract: In an ultrasonic diagnostic apparatus according to an embodiment, a separator separates an arbitrary region of a displayed object represented from image data, in a depth direction, based on a characterizing quantity included in the image data. An image generation controller generates an image to be displayed in which depth direction information is reflected on the arbitrary region of the displayed object, separated by the separator. A display controller causes a monitor being capable of providing a stereoscopic vision to display the image to be displayed generated by the image generation controller.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: March 12, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Kuramitsu Nishihara, Muneki Kataguchi, Akihiro Kakee, Mio Azegami
  • Patent number: 10064601
    Abstract: An ultrasonic diagnostic apparatus according to an embodiment include a transmitter/receiver, a signal processor, and an image generator. The transmitter/receiver causes an ultrasonic probe to transmit on each scanning line at least three ultrasonic pulses, the three ultrasonic pulses being: a first ultrasonic pulse including at least one frequency component and being transmitted with a first phase; a second ultrasonic pulse including the frequency component and being transmitted with a second phase different from the first phase by 180 degrees; and a third ultrasonic pulse including the frequency component and being transmitted with a third phase different from the first phase and the second phase by 90 degrees and generates a plurality of reception signals corresponding to the respective ultrasonic pulses. The signal processor combines the plurality of the reception signals and generates a composite signal. The image generator generates ultrasonic image data.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: September 4, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takeshi Fukasawa, Tetsuya Kawagishi, Akihiro Kakee, Makoto Hirama
  • Patent number: 9861341
    Abstract: An ultrasound diagnosis apparatus includes a transmission and reception unit, an addition unit, an image generation unit, and a control unit. The transmission and reception unit performs a set of ultrasound transmission and reception in a first mode or a plurality of sets of ultrasound transmission and reception in a second mode along the same scan line. Each set of ultrasound transmission and reception is constituted of repeated ultrasound transmission and reception sequentially performed in reversed phase polarity along the same scan line. The addition unit adds reflected wave data in the second mode. The image generation unit generates an image by using reflected wave data in the first mode or in the second mode. The control unit switches the first mode and the second mode. The transmission and reception unit performs a set or a plurality of sets of ultrasound transmission and reception according to a switching operation.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: January 9, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tetsuya Kawagishi, Akihiro Kakee, Kuramitsu Nishihara, Hiroki Yoshiara, Atsushi Sumi, Yasuyuki Masakari
  • Publication number: 20170224307
    Abstract: An ultrasound diagnostic apparatus according to an embodiment includes processing circuitry. The processing circuitry causes an ultrasound probe to execute first ultrasound scanning to acquire blood flow information within a first scanning area and causes the ultrasound probe to execute second ultrasound scanning to acquire tissue shape information within a second scanning area. The processing circuitry receives an instruction for changing a flow-velocity value to be displayed in display of the blood flow information. When, because of a change of the flow-velocity value according to the instruction, a time for transmitting/receiving ultrasound per scanning line in the first ultrasound scanning exceeds a transmitting/receiving time before the change, the processing circuitry assigns a time corresponding to the excess to at least one of the first ultrasound scanning and the second ultrasound scanning.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 10, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Chihiro SHIBATA, Akihiro KAKEE
  • Patent number: 9629604
    Abstract: There is provides an ultrasonic diagnostic apparatus including a judgment unit which judges a folded back phenomenon of velocity based on signal information of a Doppler spectrum among signals received in a circulatory organ diagnostic region, a decision unit which decides whether the signals received are blood flow signals or tissue signals, and a change/adjustment unit which changes or adjusts at least one of a velocity range, a baseline position, a transmission/reception condition, a gain allocation, setting of a Wall Filter, a scrolling speed, and a range gate size.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: April 25, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Masao Takimoto, Muneki Kataguchi, Fumiyasu Sakaguchi, Akihiro Kakee
  • Publication number: 20160367223
    Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes calculation circuitry, acquisition circuitry, determination circuitry, and scan control circuitry. The calculation circuitry calculates an indicator related to motion of biological tissue in a subject, based on echo data obtained through a pre-scan for the subject. The acquisition circuitry acquires a periodic biological signal of the subject. The determination circuitry specifies at least one tune phase in one cycle of the biological signal acquired during the pre-scan, based on the indicator, and determines a timing of a main scan for the subject, based on the specified time phase and the biological signal acquired after the pre-scan. The scan control circuitry executes the main scan at the timing determined by the determination circuitry.
    Type: Application
    Filed: June 16, 2016
    Publication date: December 22, 2016
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Yasunori Honjo, Tetsuya Kawagishi, Akihiro Kakee, Yuko Kanayama, Masaki Watanabe
  • Publication number: 20160166237
    Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes transmission circuitry, receiving circuitry and extracting circuitry. The transmission circuitry cause an ultrasonic probe to perform three or more times of ultrasonic wave transmissions, an ultrasonic wave to be transmitted including a center frequency component, a phase of the center frequency component being different in each transmission. The receiving circuitry generates three or more reception signals corresponding to a common reception scanning line based on a plurality of reflected wave signals, the plurality of reflected wave signals being obtained through the three or more times of ultrasonic wave transmissions. The extracting circuitry extracts a nonlinear component included in the three or more reception signals by adding up the three or more reception signals after performing a processing including phase rotation processing on two or more reception signals among the three or more reception signals.
    Type: Application
    Filed: December 11, 2015
    Publication date: June 16, 2016
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hiroki YOSHIARA, Tetsuya KAWAGISHI, Tomohisa IMAMURA, Yasunori HONJO, Akihiro KAKEE, Yuko TAKADA
  • Publication number: 20150374337
    Abstract: An ultrasound diagnostic apparatus according to an embodiment includes transmitting and receiving circuitry, adding circuitry, and image generating circuitry, and control circuitry. The transmitting and receiving circuitry performs, more than once on the same scan line, an ultrasound transmission and reception repeatedly performed with phase polarities being inverted on the same scan line, according to a number set as a scan condition parameter. The adding circuitry adds together reflected wave data received as a result of the ultrasound transmission and receptions. The image generating circuitry generates an image by using the reflected wave data that have been added together. The control circuitry controls the transmitting and receiving circuitry, based on a relation between the number of the ultrasound transmission and receptions and a scan condition parameter other than the number.
    Type: Application
    Filed: September 4, 2015
    Publication date: December 31, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Kuramitsu NISHIHARA, Akihiro KAKEE, Takuya SASAKI
  • Publication number: 20150324957
    Abstract: A signal processing apparatus of an embodiment includes processing circuitry and control circuitry. The processing circuitry acquires a plurality of IQ signals obtained by performing a plurality of processing with different conditions on reflected wave signals generated at a transducer element included in an ultrasound probe. The processing circuitry generates a compound signal compounded by non-linear processing of the IQ signals. The control circuitry causes a display to display image data based on the compound signal.
    Type: Application
    Filed: May 12, 2015
    Publication date: November 12, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yasunori HONJO, Yasuhiko Abe, Tetsuya Kawagishi, Akihiro Kakee, Takeshi Sato, Makoto Hirama
  • Publication number: 20150320398
    Abstract: An ultrasonic diagnostic apparatus includes reception circuitry, signal processing circuitry, and generating circuitry. The reception circuitry outputs a plurality of reception signals corresponding to respective reception scanning lines for each transmission and reception of an ultrasonic wave by an ultrasonic probe. The signal processing circuitry executes a weighting process and a phase correction process according to the position of each reception scanning line on at least one of the reception signals and a plurality of signals based on the reception signals, generates the processed signals for each reception scanning line, and outputs a plurality of composite signals using the processed signals generated based on the transmission and reception of the ultrasonic waves before and after changing the sound field of the transmitted ultrasonic wave, and before and after changing the position of the reception scanning lines.
    Type: Application
    Filed: May 7, 2015
    Publication date: November 12, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yasunori HONJO, Makoto HIRAMA, Akihiro KAKEE, Kuramitsu NISHIHARA
  • Publication number: 20150297175
    Abstract: An ultrasonography apparatus includes transmitting circuitry, and processing circuitry. The transmitting circuitry configured to cause an ultrasound probe to transmit a displacement-generation ultrasonic wave to cause a displacement in a tissue of a living body, and cause the probe to transmit an observation ultrasonic wave to observe a displacement of a tissue of a living body in a predetermined scan region, the displacement caused based on the displacement-generation ultrasonic wave. The processing circuitry configured to accept a setting instruction that corresponds to the region, and that is related to an acquisition frequency of an image based on a reflected wave signal that is acquired by the probe by transmission and reception of the observation ultrasonic wave, determine a transmission condition for at least one of the displacement-generation ultrasonic wave and the observation ultrasonic wave, according to the setting instruction, and control the transmission circuitry based on the condition.
    Type: Application
    Filed: April 16, 2015
    Publication date: October 22, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yuko Kanayama, Akihiro Kakee, Masaki Watanabe
  • Publication number: 20150209006
    Abstract: An ultrasound diagnosis apparatus includes a transmission and reception unit, an addition unit, an image generation unit, and a control unit. The transmission and reception unit performs a set of ultrasound transmission and reception in a first mode or a plurality of sets of ultrasound transmission and reception in a second mode along the same scan line. Each set of ultrasound transmission and reception is constituted of repeated ultrasound transmission and reception sequentially performed in reversed phase polarity along the same scan line. The addition unit adds reflected wave data in the second mode. The image generation unit generates an image by using reflected wave data in the first mode or in the second mode. The control unit switches the first mode and the second mode. The transmission and reception unit performs a set or a plurality of sets of ultrasound transmission and reception according to a switching operation.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 30, 2015
    Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha Toshiba
    Inventors: Tetsuya Kawagishi, Akihiro Kakee, Kuramitsu Nishihara, Hiroki Yoshiara, Atsushi Sumi, Yasuyuki Masakari
  • Patent number: 9084556
    Abstract: An apparatus and method for indicating locus of an ultrasonic probe configured to transmit and receive ultrasonic waves toward a part of a subject wherein a position or movement of the ultrasonic probe is detected, and a locus of the ultrasonic probe on an image of the part of the subject is indicated according to the detected position or movement.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: July 21, 2015
    Assignees: Toshiba Medical Systems Corporation, NATIONAL CANCER CENTER
    Inventors: Akihiro Kakee, Masahiko Yano, Noriyuki Moriyama, Nachiko Uchiyama, Minoru Machida
  • Patent number: 9072470
    Abstract: As an ROI for display and an ROI for valve observation as well as a projecting direction are input, a volume-rendering processing unit creates a first image in the ROI for display through volume rendering processing, and the ray-tracing processing unit creates a second image in the ROI for valve observation through ray tracing processing. An image compositing unit then creates a composite image by compositing the first image and the second image, and the composite image created by the image compositing unit (13) is displayed on a monitor.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: July 7, 2015
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Atsushi Sumi, Fumiyasu Sakaguchi, Takuya Sasaki, Kenichi Ichioka, Akihiro Kakee, Tomohisa Imamura, Chihiro Shibata, Kuramitsu Nishihara
  • Publication number: 20150141829
    Abstract: An ultrasonic diagnostic apparatus according to an embodiment include a transmitter/receiver, a signal processor, and an image generator. The transmitter/receiver causes an ultrasonic probe to transmit on each scanning line at least three ultrasonic pulses, the three ultrasonic pulses being: a first ultrasonic pulse including at least one frequency component and being transmitted with a first phase; a second ultrasonic pulse including the frequency component and being transmitted with a second phase different from the first phase by 180 degrees; and a third ultrasonic pulse including the frequency component and being transmitted with a third phase different from the first phase and the second phase by 90 degrees and generates a plurality of reception signals corresponding to the respective ultrasonic pulses. The signal processor combines the plurality of the reception signals and generates a composite signal. The image generator generates ultrasonic image data.
    Type: Application
    Filed: October 30, 2014
    Publication date: May 21, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Takeshi FUKASAWA, Tetsuya KAWAGISHI, Akihiro KAKEE, Makoto HIRAMA
  • Publication number: 20150141830
    Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes a transmitter/receiver, a signal processor, an image generator, and a controller. The transmitter/receiver executes ultrasonic transmission/reception sets a plurality of times on an identical scanning line by changing transmission conditions, and generates a plurality of sets of reception signals, the ultrasonic transmission/reception sets including a plurality of ultrasonic transmissions/receptions on the identical scanning line serving as a unit. The signal processor combines the reception signals in each of the plurality of the sets, and generates a plurality of composite signals corresponding to each of the plurality of the sets. The image generator generates ultrasonic image data using the composite signals.
    Type: Application
    Filed: November 10, 2014
    Publication date: May 21, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Akihiro KAKEE, Takeshi FUKASAWA
  • Publication number: 20150141828
    Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes a transceiver part, a signal processing part and an image generation part. The transceiver part controls an ultrasonic probe to perform a first and second scans. The first scan transmits a first ultrasonic wave and an ultrasonic wave, obtained by modulating an amplitude of the first ultrasonic wave, to scanning lines distributed three dimensionally, and receives first reflected waves. The second scan transmits a second ultrasonic wave to scanning lines distributed two dimensionally during the first scan, and receives second reflective waves. The transceiver part obtains first and second reception signals based on the first and second reflected waves. The signal processing part generates composite signals by combining the first reception signals. The image generation part generates three dimensional ultrasonic image data based on the composite signals, and two dimensional ultrasonic image data based on the second reception signals.
    Type: Application
    Filed: October 20, 2014
    Publication date: May 21, 2015
    Applicants: Toshiba Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hiroki Yoshiara, Akihiro Kakee, Cong Yao, Tetsuya Kawagishi, Hiroyuki Ohuchi, Yasunori Honjo, Masahiko Yano, Yoshitaka Mine