Patents by Inventor Yasuhisa Makita
Yasuhisa Makita 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: 20240050075Abstract: An ultrasonic diagnostic apparatus according to the present disclosure includes: an ultrasonic probe connected to an apparatus body, comprising a battery that supplies power to components of the ultrasonic probe and a cooler that cools inside the ultrasonic probe; and a drive controller that drives the cooler based on a remaining level of the battery and an internal temperature of the ultrasonic probe.Type: ApplicationFiled: August 8, 2023Publication date: February 15, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yuya NAGASAKI, Yasuhisa MAKITA, Masaaki SUDO
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Patent number: 11707257Abstract: The ultrasonic probe according to a present embodiment includes a piezoelectric vibrator and an acoustic lens. The piezoelectric vibrator is configured to transmit and receive an ultrasonic wave. The acoustic lens is provided on an ultrasonic-wave transmission/reception side. The acoustic lens is formed in such a manner that a surface shape of each of end regions located on both sides of a central region of a surface of the acoustic lens is formed to have a curvature different from a curvature of a surface shape of the central region of the surface of the acoustic lens.Type: GrantFiled: June 20, 2019Date of Patent: July 25, 2023Assignee: Canon Medical Systems CorporationInventors: Yasuhisa Makita, Kengo Okada
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Publication number: 20230120013Abstract: An ultrasonic diagnostic apparatus of an embodiment includes a processing circuitry. The a processing circuitry acquires contact information detected by a plurality of contact sensors provided at different positions on an ultrasonic probe inserted into a body cavity of a subject and causes an output interface to output information representing a state of the ultrasonic probe in the body cavity on the basis of the contact information and the positions of the contact sensors provided on the ultrasonic probe.Type: ApplicationFiled: October 18, 2022Publication date: April 20, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yoichi OGASAWARA, Yasuhisa MAKITA, Sakie TAKEDA
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Publication number: 20220079566Abstract: A test device of an embodiment includes processing circuitry. The processing circuitry is configured to detect a waveform of a reflected wave that is obtained by reflection of an ultrasonic wave, which has been transmitted from an ultrasonic probe and has passed through an acoustic coupling material in close contact with an acoustic radiation surface of the ultrasonic probe, the reflected wave having passed through the acoustic coupling material before the detection of the waveform, and test a performance of the ultrasonic probe on the basis of the detected waveform.Type: ApplicationFiled: September 8, 2021Publication date: March 17, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasuhisa MAKITA, Yoichi OGASAWARA
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Patent number: 10447236Abstract: According to one embodiment, an ultrasonic probe, in which a plurality of piezoelectric vibrators are arrayed in both of an azimuth direction and an elevation direction, includes a piezoelectric body configured to have a piezoelectric effect; and a matching layer configured to be laminated in an ultrasonic radiation direction of the piezoelectric body. The matching layer is divided in the azimuth direction without being divided in the elevation direction. The piezoelectric body is divided into plural parts in both of the azimuth direction and the elevation direction in such a manner that each of the plural parts of the piezoelectric body forms each of the plurality of piezoelectric vibrators.Type: GrantFiled: September 22, 2016Date of Patent: October 15, 2019Assignee: Canon Medical Systems CorporationInventors: Koichi Shibamoto, Yasuhisa Makita
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Publication number: 20190307422Abstract: The ultrasonic probe according to a present embodiment includes a piezoelectric vibrator and an acoustic lens. The piezoelectric vibrator is configured to transmit and receive an ultrasonic wave. The acoustic lens is provided on an ultrasonic-wave transmission/reception side. The acoustic lens is formed in such a manner that a surface shape of each of end regions located on both sides of a central region of a surface of the acoustic lens is formed to have a curvature different from a curvature of a surface shape of the central region of the surface of the acoustic lens.Type: ApplicationFiled: June 20, 2019Publication date: October 10, 2019Applicant: Canon Medical Systems CorporationInventors: Yasuhisa MAKITA, Kengo OKADA
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Publication number: 20170165716Abstract: According to one embodiment, an ultrasonic probe, in which a plurality of piezoelectric vibrators are arrayed in both of an azimuth direction and an elevation direction, includes a piezoelectric body configured to have a piezoelectric effect; and a matching layer configured to be laminated in an ultrasonic radiation direction of the piezoelectric body. The matching layer is divided in the azimuth direction without being divided in the elevation direction. The piezoelectric body is divided into plural parts in both of the azimuth direction and the elevation direction in such a manner that each of the plural parts of the piezoelectric body forms each of the plurality of piezoelectric vibrators.Type: ApplicationFiled: September 22, 2016Publication date: June 15, 2017Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Koichi SHIBAMOTO, Yasuhisa MAKITA
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Patent number: 9180491Abstract: The purpose is to provide an ultrasound transducer and ultrasound probe without the complexity of the manufacturing process of the non-conductive acoustic matching layer while ensuring the electric conductive path. Pluralities of two-dimensionally arranged piezoelectrics are comprised in the ultrasound transducer. Electrodes are provided for each piezoelectric. Furthermore, the non-conductive acoustic matching layer with the first surface on the electrode side and the second surface on the opposite side of the first surface is comprised in the ultrasound transducer, and moreover, the electric conductive acoustic matching layer arranged on the second surface side of the non-conductive acoustic matching layer is comprised in the ultrasound transducer. Moreover, the substrate arranged on the opposite side of the non-conductive acoustic matching layer is arranged with respect to the electric conductive acoustic matching layer.Type: GrantFiled: January 27, 2012Date of Patent: November 10, 2015Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Kentaro Tsuzuki, Takashi Kubota, Yutaka Oonuki, Yasuhisa Makita
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Patent number: 9172024Abstract: A backing material is provided on the back face side of a piezoelectric transducer, with a first width substantially equal to the piezoelectric transducer widthwise and perpendicular to the radiation direction. A front face of a layer located on the front face side with regard to a wiring pattern has a width substantially equal to the first width. Moreover, the back face of this layer has a second width shorter than the first width. A space is provided between this layer and the backing material due to the difference between the first width and the second width of this layer, and a covering member covering the wiring pattern covers the wiring pattern extending at least from the folded section of the flexible substrate into the space.Type: GrantFiled: March 12, 2013Date of Patent: October 27, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Kengo Okada, Hiroyuki Shikata, Minoru Aoki, Satoru Tezuka, Yasuhisa Makita
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Publication number: 20150250447Abstract: A puncture adapter includes a guide of a puncture needle, a gripper to hold an ultrasound probe, and a pinch. The gripper grips the ultrasound probe. The puncture adapter is attached to the ultrasound probe by the engagement between the gripper and the ultrasound probe. The pinch is used to release the grip of the gripper. The pinch is located adjacent to the gripper in a direction that intersects a direction in which the gripper grips the ultrasound probe.Type: ApplicationFiled: May 22, 2015Publication date: September 10, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Takashi KUBOTA, Takashi TAKEUCHI, Yasuhisa MAKITA, Minoru AOKI
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Patent number: 8872412Abstract: An ultrasound transducer according to an embodiment has two-dimensionally arranged ultrasound vibrators. A wiring board block is a laminate of wiring boards which are arranged along the row direction in the arrangement. The wiring board has a first surface facing a rear surface of the ultrasound vibrators and a second surface on its opposite side. First connection parts are provided on the first surface corresponding to the arrangement, and are conducted with back electrodes of the vibrators. Second connection parts are provided on the second surface, and are provided corresponding to the first connection parts. Connecting leads establish conductivity between the first and second connection parts through a fourth surface which is perpendicular to the second and third surfaces. Electronic circuits are connected to the second surface of the wiring board block, and are conducted with the second connection parts.Type: GrantFiled: March 23, 2011Date of Patent: October 28, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Satoru Tezuka, Yasuhisa Makita, Yutaka Oonuki
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Publication number: 20140276064Abstract: The object of the present invention is to provide a ultrasound probe and an ultrasound diagnosis apparatus which are able to reduce the time and labor for the operation and to prevent image quality from deteriorating. the ultrasound probe of the embodiments comprises an acoustic window, a transducer part, and a moving mechanism. The acoustic window comprises more than one holding surface with a recessed surface shape that engages with a subject. The transducer part comprises a plurality of transducers arranged in one or a plurality of rows for transceiving ultrasound waves with respect to the subject that comes into contact with the holding surface via the acoustic window. The moving mechanism moves the transducer part in a direction vertical to the arrangement direction of each row of the transducers.Type: ApplicationFiled: May 28, 2014Publication date: September 18, 2014Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Takashi KUBOTA, Takashi TAKEUCHI, Yutaka OONUKI, Yasuhisa MAKITA
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Publication number: 20130293066Abstract: The purpose is to provide an ultrasound transducer and ultrasound probe without the complexity of the manufacturing process of the non-conductive acoustic matching layer while ensuring the electric conductive path. Pluralities of two-dimensionally arranged piezoelectrics are comprised in the ultrasound transducer. Electrodes are provided for each piezoelectric. Furthermore, the non-conductive acoustic matching layer with the first surface on the electrode side and the second surface on the opposite side of the first surface is comprised in the ultrasound transducer, and moreover, the electric conductive acoustic matching layer arranged on the second surface side of the non-conductive acoustic matching layer is comprised in the ultrasound transducer. Moreover, the substrate arranged on the opposite side of the non-conductive acoustic matching layer is arranged with respect to the electric conductive acoustic matching layer.Type: ApplicationFiled: January 27, 2012Publication date: November 7, 2013Applicants: TOSHIBA MEDICAL SYSTEMS CORPORATION, KABUSHIKI KAISHA TOSHIBAInventors: Kentaro Tsuzuki, Takashi Kubota, Yutaka Oonuki, Yasuhisa Makita
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Publication number: 20130241355Abstract: A backing material is provided on the back face side of a piezoelectric transducer, with a first width substantially equal to the piezoelectric transducer widthwise and perpendicular to the radiation direction. A front face of a layer located on the front face side with regard to a wiring pattern has a width substantially equal to the first width. Moreover, the back face of this layer has a second width shorter than the first width. A space is provided between this layer and the backing material due to the difference between the first width and the second width of this layer, and a covering member covering the wiring pattern covers the wiring pattern extending at least from the folded section of the flexible substrate into the space.Type: ApplicationFiled: March 12, 2013Publication date: September 19, 2013Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha ToshibaInventors: Kengo OKADA, Hiroyuki Shikata, Minoru Aoki, Satoru Tezuka, Yasuhisa Makita
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Patent number: 8410666Abstract: According to one embodiment, an ultrasonic probe includes a plurality of piezoelectric elements, a first electrode, a plurality of second electrodes, a plurality of stacked flexible printed circuit boards, and a plurality of connection portions. The plurality of piezoelectric elements are arrayed. The first electrode is provided on the emitting surface side of the plurality of piezoelectric elements. The plurality of second electrodes are respectively provided on the rear surface sides of the plurality of piezoelectric elements. The plurality of stacked flexible printed circuit boards respectively include a plurality of terminals. The plurality of connection portions electrically connect the second electrodes to the terminals. At least one of the flexible printed circuit boards extends longer than the flexible printed circuit board serving as an upper layer.Type: GrantFiled: May 19, 2011Date of Patent: April 2, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hiroyuki Shikata, Satoru Tezuka, Yasuhiro Ona, Takashi Kubota, Yasuhisa Makita
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Patent number: 8292818Abstract: Provided is an acoustic lens composition which comprises 40 wt % or more of silicone rubber and 15 to 60 wt % of a zinc oxide powder, suppresses ultrasonic attenuation, and has superior molding properties.Type: GrantFiled: November 12, 2008Date of Patent: October 23, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Yohachi Yamashita, Yasuharu Hosono, Hiroyuki Shikata, Takashi Takeuchi, Yasuhisa Makita
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Patent number: 8234922Abstract: Provided is ultrasonic diagnostic equipment including: an equipment body; a display unit provided to the equipment body and configured to display an ultrasonic image; an equipment-side connector provided in the equipment body; and an ultrasonic probe having a probe-side connector to be connected to the equipment-side connector in a detachable manner. The ultrasonic probe is connected to the probe-side connector through a cable and configured to send and receive ultrasonic waves. The probe-side connector and the equipment-side connector are formed in structures capable of sending and receiving the ultrasonic waves even in the case of a 180-degree reverse connection of the probe-side connector to the equipment-side connector.Type: GrantFiled: July 13, 2009Date of Patent: August 7, 2012Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Yutaka Oonuki, Muneki Kataguchi, Yasuhisa Makita
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Publication number: 20110295124Abstract: According to one embodiment, an ultrasonic probe includes a plurality of piezoelectric elements, a first electrode, a plurality of second electrodes, a plurality of stacked flexible printed circuit boards, and a plurality of connection portions. The plurality of piezoelectric elements are arrayed. The first electrode is provided on the emitting surface side of the plurality of piezoelectric elements. The plurality of second electrodes are respectively provided on the rear surface sides of the plurality of piezoelectric elements. The plurality of stacked flexible printed circuit boards respectively include a plurality of terminals. The plurality of connection portions electrically connect the second electrodes to the terminals. At least one of the flexible printed circuit boards extends longer than the flexible printed circuit board serving as an upper layer.Type: ApplicationFiled: May 19, 2011Publication date: December 1, 2011Applicants: TOSHIBA MEDICAL SYSTEMS CORPORATION, KABUSHIKI KAISHA TOSHIBAInventors: Hiroyuki SHIKATA, Satoru TEZUKA, Yasuhiro ONA, Takashi KUBOTA, Yasuhisa MAKITA
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Publication number: 20110248603Abstract: An ultrasound transducer according to an embodiment has two-dimensionally arranged ultrasound vibrators. A wiring board block is a laminate of wiring boards which are arranged along the row direction in the arrangement. The wiring board has a first surface facing a rear surface of the ultrasound vibrators and a second surface on its opposite side. First connection parts are provided on the first surface corresponding to the arrangement, and are conducted with back electrodes of the vibrators. Second connection parts are provided on the second surface, and are provided corresponding to the first connection parts. Connecting leads establish conductivity between the first and second connection parts through a fourth surface which is perpendicular to the second and third surfaces. Electronic circuits are connected to the second surface of the wiring board block, and are conducted with the second connection parts.Type: ApplicationFiled: March 23, 2011Publication date: October 13, 2011Applicants: TOSHIBA MEDICAL SYSTEMS CORPORATION, Kabushiki Kaisha ToshibaInventors: Satoru TEZUKA, Yasuhisa Makita, Yutaka Oonuki
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Patent number: 7755256Abstract: An ultrasonic probe including a piezoelectric vibrator configured to transmit and receive ultrasonic waves, an acoustic lens configured to focus the ultrasonic waves and an acoustic matching layer arranged between the piezoelectric vibrator and the acoustic lens and configured to modify acoustic impedance from the piezoelectric vibrator to the acoustic lens. The acoustic matching layer includes a first region arranged at center areas along a direction of transmitting and receiving of the ultrasonic waves, a second region arranged between the first region and the piezoelectric vibrator and having a rate of change of acoustic impedance which is less than rate of change of acoustic impedance of the first region and a third region arranged between the first region and the acoustic lens, and having a rate of change of acoustic impedance which is less than a rate of change of acoustic impedance of the first region.Type: GrantFiled: November 3, 2006Date of Patent: July 13, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Koichi Shibamoto, Minoru Aoki, Yasuhisa Makita, Takashi Takeuchi, Hiroyuki Shikata