Patents by Inventor Katsuya Yamamoto

Katsuya Yamamoto 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).

  • Publication number: 20190209125
    Abstract: A photoacoustic image generation apparatus includes: a puncture needle including a photoacoustic wave generation portion that absorbs light and generates photoacoustic waves; an acoustic wave detection unit having a piezoelectric element array in which a plurality of piezoelectric elements that detect the photoacoustic waves are arranged; a controller configured to specify some piezoelectric element groups in the piezoelectric element array and switches the piezoelectric element groups to acquire detection signals of all receiving regions in the piezoelectric element array; and a processor configured to generate a photoacoustic image on the basis of the detection signals of the photoacoustic waves, detect a position of a tip portion of the puncture needle on the basis of the photoacoustic image. The controller specifies the piezoelectric element groups on the basis of the position of the tip portion of the puncture needle detected by the processor.
    Type: Application
    Filed: March 13, 2019
    Publication date: July 11, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Katsuya YAMAMOTO, Kaku IRISAWA, Dai MURAKOSHI
  • Publication number: 20190133558
    Abstract: An ultrasonic endoscope includes an ultrasonic vibrator unit provided at a distal end part, the ultrasonic vibrator unit being composed of at least an ultrasonic vibrator array and a first thermally conductive member, the ultrasonic vibrator array having the plurality of ultrasonic vibrators that are arranged in a cylindrical form, the first thermally conductive member being disposed thermally in contact with the ultrasonic vibrator array; a plurality of cables that are electrically connected to the ultrasonic vibrator array; and an electrically conductive structural body that is disposed to extend from a distal end side toward a proximal end side of the ultrasonic endoscope. The ultrasonic vibrator unit and the electrically conductive structural body are connected to each other via an electrically insulating second thermally conductive member.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 9, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiko MORIMOTO, Katsuya YAMAMOTO, Satoru OKADA
  • Publication number: 20190133559
    Abstract: The invention has, at a distal end part thereof, an ultrasonic oscillator array in which a plurality of ultrasonic oscillators are arranged; a shielded cable including a plurality of signal lines, and a plurality of metallic shield members disposed outside the signal lines; a wiring part including a plurality of connecting parts that electrically connect the plurality of signal lines to the plurality of ultrasonic oscillators, respectively; a ground part that is electrically connected to the plurality of shield members and has heat conductivity; a sheet-like first heat-conduction member disposed on a side surface of the ultrasonic oscillator array; and a second heat-conduction member that thermally connects the first heat-conduction member to the ground part. Accordingly, an ultrasonic endoscope capable of improving diagnostic accuracy in ultrasonic diagnosis, and a method for manufacturing the ultrasonic endoscope are provided.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 9, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Satoru OKADA, Katsuya YAMAMOTO, Yasuhiko MORIMOTO
  • Publication number: 20190117200
    Abstract: An ultrasonic endoscope includes a plurality of ultrasonic vibrators; a distal end part that houses the plurality of ultrasonic vibrators; an electrically conductive endoscopic structure housed in or connected to the distal end part; a thermally conductive member connected to the plurality of ultrasonic vibrators; and an electrically insulating thermally conductive member connected to the endoscopic structure. The thermally conductive member and the electrically insulating thermally conductive member are connected to each other. Thus, the ultrasonic endoscope that has a heat release structure which transmits the heat generated from the ultrasonic vibrators to the electrically conductive endoscopic structure housed in the distal end part and which can efficiently release the heat therefrom while electric safety is secured; and that can prevent a burn of an alimentary canal by suppressing a temperature rise of surfaces of the ultrasonic vibrators is provided.
    Type: Application
    Filed: December 20, 2018
    Publication date: April 25, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiko MORIMOTO, Katsuya YAMAMOTO, Satoru OKADA
  • Publication number: 20190099163
    Abstract: An ultrasonic endoscope has an ultrasonic transducer array in which a plurality of ultrasonic transducers are arranged; a backing material layer on a back side of a plurality of ultrasonic transducers, a wiring board including a plurality of electrode pads that are connected to the plurality of ultrasonic transducers; a plurality of shield cables each including a signal wire and a shield member, a wiring portion in which the plurality of signal wires are electrically connected to the plurality of electrode pads; a ground portion that is electrically connected to the shield members and that have heat conductivity; and a first heat conductive member that extends beyond the backing material layer to a side opposite to the ultrasonic transducer array with respect to the backing material layer and that is thermally connected to the ground portion.
    Type: Application
    Filed: November 30, 2018
    Publication date: April 4, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiko MORIMOTO, Katsuya YAMAMOTO, Satoru OKADA
  • Publication number: 20190090857
    Abstract: An ultrasonic endoscope has an ultrasonic vibrator array in which a plurality of ultrasonic vibrators are arrayed; a backing material layer that supports the ultrasonic vibrators; shield cables that each include a signal wire and a shield member for the signal wire; a flexible printed wiring board that extends on a side opposite to the ultrasonic vibrator array with respect to the backing material layer and that includes a ground portion electrically connected to the shield members; and a heat conductive layer that is provided on at least one surface of the flexible printed wiring board and connected to the ground portion, the heat conductive layer dissipating heat generated in the plurality of ultrasonic vibrators to the ground portion.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 28, 2019
    Applicant: Fujifilm Corporation
    Inventors: Katsuya Yamamoto, Yasuhiko Morimoto, Satoru Okada
  • Publication number: 20190090847
    Abstract: An ultrasonic endoscope has a laminated body that includes an ultrasonic transducer array in which a plurality of ultrasonic transducers are arranged, and a backing material layer that supports the plurality of ultrasonic transducers; a cable portion that includes a plurality of cables each of which is electrically connected to a corresponding one of the plurality of ultrasonic transducers, and a shield member that covers the plurality of cables from outside and that is made of a metal; and a first heat conductive member that is disposed on a side surface of the laminated body. The first heat conductive member is extended to the shield member that is grounded to a housing and is thermally connected to the shield member.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 28, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Katsuya YAMAMOTO, Satoru OKADA, Yasuhiko MORIMOTO
  • Patent number: 10238366
    Abstract: An ultrasound diagnostic apparatus includes: a transducer array; a transmission circuit transmitting an ultrasonic beam from the transducer array; a reception circuit obtaining fundamental component data based on reception signals corresponding to the fundamental component of an ultrasonic wave and harmonic component data based on reception signals corresponding to a harmonic component of the ultrasonic wave; and an image producer performing frame correlation processing on the fundamental component data and the harmonic component data generated for each frame so as to produce an ultrasound image. The frame correlation processing is performed such that the weight of harmonic component data of another frame used in the frame correlation processing of the harmonic component data is greater than the weight of fundamental component data of another frame used in the frame correlation processing of the fundamental component data.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: March 26, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Katsuya Yamamoto
  • Publication number: 20190047021
    Abstract: A ultrasonic oscillator unit including an ultrasonic oscillator array in which a plurality of oscillators are arranged in a circular-arc shape; an electrode part that is provided on at least one end surface of the plurality of oscillators perpendicular to a longitudinal direction thereof and that is electrically connected with the oscillators; a backing material layer that is disposed on a rear surface of the ultrasonic oscillator array; and a cable wiring part including a flexible printed wired board. The flexible printed wired board includes a cable connecting part that extends to a lower side of the backing material layer, is separated into a plurality of belt-like pieces, and has, in a comb shape, a plurality of strip-like electrode parts in which at least one electrode pad is linearly disposed in the longitudinal direction of each of the belt-like pieces.
    Type: Application
    Filed: October 11, 2018
    Publication date: February 14, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Katsuya YAMAMOTO, Yasuhiko MORIMOTO
  • Publication number: 20190038257
    Abstract: An ultrasonic oscillator unit including an ultrasonic oscillator array in which a plurality of ultrasonic oscillators are arranged; an electrode part having a plurality of electrodes electrically connected to the plurality of ultrasonic oscillators, respectively; a circular-arc backing material layer disposed on a rear surface of the ultrasonic oscillator array; three or more wiring boards electrically connected to the plurality of electrodes of the electrode part; and three or more connectors to which a plurality of cables are connected, respectively. The three or more wiring boards are respectively mounted to the three or more connectors and electrically connect the plurality of electrodes of the electrode part to the plurality of cables. The three or more connectors are arranged on a rear surface side of the backing material layer in a width direction.
    Type: Application
    Filed: October 2, 2018
    Publication date: February 7, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Katsuya YAMAMOTO, Yasuhiko MORIMOTO
  • Publication number: 20190029646
    Abstract: A ultrasonic-oscillator unit including an ultrasonic-oscillator array in which a plurality of ultrasonic-oscillators are arranged in a semicylindrical shape; an electrode part of the ultrasonic-oscillator array provided on an end surface of the ultrasonic-oscillator array perpendicular to an arrangement surface of the plurality of ultrasonic-oscillators; and a backing material layer that is disposed on an inner back surface of the ultrasonic-oscillator array; and a cable wiring part in which a plurality of cables are respectively disposed on a plurality of wiring lines electrically connected to the plurality of electrodes of the electrode part. The width of the backing material layer perpendicular to the arrangement surface of the plurality of ultrasonic-oscillators becomes smaller toward a side opposite to the arrangement surface of the plurality of ultrasonic-oscillators. A cable wiring part electrically connected to the electrode part is provided along the width of the backing material layer.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 31, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Katsuya YAMAMOTO, Yasuhiko MORIMOTO
  • Publication number: 20190021696
    Abstract: The ultrasonic oscillator unit has: an ultrasonic oscillator array in which a plurality of ultrasonic oscillators are arranged; an electrode part having a plurality of electrodes provided on an end surface side of the ultrasonic oscillator array and electrically connected to the plurality of ultrasonic oscillators, respectively; a backing material layer that is disposed on a back surface of the ultrasonic oscillator array, has an outer surface having a circular-arc cross-section and is provided with a recess on the inside thereof opposite to the outer surface; a wiring board having a plurality of wiring lines electrically connected to the plurality of electrodes of the electrode part; and a cable wiring part in which a plurality of cables connected to the plurality of wiring lines, respectively, are wiring-connected; at least a portion of the cable wiring part being included in the recess of the backing material layer.
    Type: Application
    Filed: September 24, 2018
    Publication date: January 24, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiko MORIMOTO, Katsuya YAMAMOTO
  • Publication number: 20180234640
    Abstract: All image capturing apparatus includes an interval shooting section (51) that performs an interval shooting process, a lighten compositing section (54) that performs a lighten compositing process using images captured one by one by the interval shooting process, and a composite-image-in-progress displaying section (55) that, when a first operation is performed, causes a composite image in a first memory area, which is used as a compositing buffer for the lighten compositing process, to be displayed on an LCD monitor without causing the interval shooting process to be stopped.
    Type: Application
    Filed: April 17, 2018
    Publication date: August 16, 2018
    Inventor: Katsuya YAMAMOTO
  • Patent number: 9967474
    Abstract: An image capturing apparatus includes an interval shooting section (51) that performs an interval shooting process, a lighten compositing section (54) that performs a lighten compositing process using images captured one by one by the interval shooting process, and a composite-image-in-progress displaying section (55) that, when a first operation is performed, causes a composite image in a first memory area, which is used as a compositing buffer for the lighten compositing process, to be displayed on an LCD monitor without causing the interval shooting process to be stopped.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: May 8, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventor: Katsuya Yamamoto
  • Publication number: 20180041717
    Abstract: An image capturing apparatus includes an interval shooting section (51) that performs an interval shooting process, a lighten compositing section (54) that performs a lighten compositing process using images captured one by one by the interval shooting process, and a composite-image-in-progress displaying section (55) that, when a first operation is performed, causes a composite image in a first memory area, which is used as a compositing buffer for the lighten compositing process, to be displayed on an LCD monitor without causing the interval shooting process to be stopped.
    Type: Application
    Filed: October 9, 2017
    Publication date: February 8, 2018
    Inventor: Katsuya YAMAMOTO
  • Patent number: 9819876
    Abstract: An image capturing apparatus includes an interval shooting section (51) that performs an interval shooting process, a lighten compositing section (54) that performs a lighten compositing process using images captured one by one by the interval shooting process, and a composite-image-in-progress displaying section (55) that, when a first operation is performed, causes a composite image in a first memory area, which is used as a compositing buffer for the lighten compositing process, to be displayed on an LCD monitor without causing the interval shooting process to be stopped.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: November 14, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventor: Katsuya Yamamoto
  • Publication number: 20170322286
    Abstract: A positioning system includes a plurality of beacon modules and a communication device. Further, the communication device includes a calculation unit calculating action state data that are used for determining an action state of a user who carries the communication device; a searching unit selectively searching for one of the beacon modules in accordance with the action state of the user, the action state being determined based on the action state data calculated by the calculation unit, and a derivation unit deriving positional information of the user based on a response signal transmitted from the one of the beacon modules having been searched for by the searching unit.
    Type: Application
    Filed: November 18, 2014
    Publication date: November 9, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Fumio YOSHIZAWA, Takeo TSUKAMOTO, Keisuke KONISHI, Yusuke MATSUSHITA, Takanori INADOME, Kenji KAMEYAMA, Katsuya YAMAMOTO, Yukio FUJIWARA, Hideaki ARATANI, Ryohsuke KAMIMURA, Hiroto HIGUCHI, Daisuke HATA, Juuta KON, Tomoyo NARITA
  • Patent number: 9791417
    Abstract: An acoustic wave detection probe includes a light projection section that emits measuring light to be projected onto a subject, an acoustic wave transducer disposed adjacent to the light projection section and capable of detecting an acoustic wave, an acoustic lens provided on a detection side of the acoustic wave transducer, and a housing accommodating the light projection section, the acoustic wave transducer, and the acoustic lens, in which the acoustic lens and a surface portion of the housing adjacent to the acoustic lens are formed to have an optical property in which the average diffuse reflection factor is 85% or more and the average absorption factor is 10% or less in a wavelength range of the measuring light.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: October 17, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Kaku Irisawa, Katsuya Yamamoto
  • Patent number: 9789897
    Abstract: A steering apparatus includes a column pipe, an outer column, a fixed bracket, a stopper bracket, and a clamping tool. The stopper bracket has a first suspending planar portion and a second suspending planar portion. A telescopic slot and an impact absorbing slot are formed in the first and second suspending planar portions. A first collapsing portion, which is configured as a protruding plate piece positioned between the telescopic slot and the impact absorbing slot of the first suspending planar portion and bent by colliding with a bolt shaft in an event of a secondary collision, is provided in the first and second suspending planar portions. A second collapsing portion, the height dimension of which decreases toward a trailing end is provided in the impact absorbing slot of one of the first suspending planar portion and the second suspending planar portion.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: October 17, 2017
    Assignee: YAMADA MANUFACTURING CO., LTD.
    Inventors: Katsuya Yamamoto, Takuya Aiba, Tatsuya Abe
  • Patent number: 9733220
    Abstract: An ultrasound probe comprises: a backing material; a plurality of inorganic piezoelectric elements arranged on a top surface of the backing material; a first acoustic matching layer separated into a plurality of pieces disposed on the plurality of inorganic piezoelectric elements; and a second acoustic matching layer separated into a plurality of pieces disposed on the first acoustic matching layer, wherein the second acoustic matching layer comprises an upper organic layer constituting a plurality of organic piezoelectric elements, and a lower organic layer for performing, together with the upper organic layer, acoustic matching for the plurality of inorganic piezoelectric elements.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: August 15, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Takatsugu Wada, Atsushi Osawa, Katsuya Yamamoto