Patents by Inventor Katsuhiko Shimizu
Katsuhiko Shimizu 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: 20220028079Abstract: A diagnosis support device includes a control unit that correlates a plurality of pixels included in a two-dimensional image with two or more classes including a biological tissue class, the two-dimensional image being generated by using a signal of a reflected wave of ultrasound transmitted inside a biological tissue through which blood passes and the two-dimensional image including the biological tissue, generates a three-dimensional image of the biological tissue from a pixel group correlated with the biological tissue class, and performs control of displaying the generated three-dimensional image of the biological tissue.Type: ApplicationFiled: September 28, 2021Publication date: January 27, 2022Applicants: TERUMO KABUSHIKI KAISHA, Rokken Inc.Inventors: Yasukazu SAKAMOTO, Itaru OKUBO, Katsuhiko SHIMIZU, Hiroyuki ISHIHARA, Ryosuke SAGA, Thomas HENN, Clement JACQUET, Nuwan HERATH, Iselin ERIKSSEN
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Publication number: 20220008038Abstract: An image diagnosis catheter is disclosed, which includes: a sheath inserted into a living body; an ultrasound vibrator capable of transmitting and receiving ultrasound in the sheath; a housing holding the ultrasound vibrator in the sheath; and a drive shaft attached to a proximal side of the housing and rotatable in the sheath, in which an ultrasound transmitting/receiving surface of the ultrasound vibrator facing a radial direction of the sheath is inclined with respect to an extension direction of the sheath such that a distal end of the ultrasound transmitting/receiving surface is closer to an inner peripheral surface of the sheath than a proximal end of the ultrasound transmitting/receiving surface, and the housing does not block a distal side of the ultrasound vibrator in an in-plane direction of the ultrasound transmitting/receiving surface.Type: ApplicationFiled: September 24, 2021Publication date: January 13, 2022Applicant: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko SHIMIZU, Hiroyuki ISHIHARA, Yasukazu SAKAMOTO, Yoichiro KUWANO
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Publication number: 20210204905Abstract: An ultrasound image generating apparatus is disclosed, which includes a signal output unit configured to be connected to an ultrasound transducer that transmits ultrasound based on a drive signal toward a subject and generates a detection signal based on the ultrasound reflected from the subject, and the signal output unit is configured to output the drive signal to the ultrasound transducer. The signal output unit includes a plurality of pulsers that each output a pulse-like drive signal, and are connected in parallel to the ultrasound transducer, and a buffer that is connected to input sides of the pulsers, and stabilizes a signal to be input into each of the pulsers.Type: ApplicationFiled: March 25, 2021Publication date: July 8, 2021Applicant: TERUMO KABUSHIKI KAISHAInventors: Mitsutoshi YAEGASHI, Itaru OOKUBO, Katsuhiko SHIMIZU
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Publication number: 20210137491Abstract: An information selection device includes a pulsation input unit capable of inputting a pulsation cycle of a heart of a subject, a respiration input unit capable of inputting a respiration cycle of the subject, an information input unit capable of inputting inner wall surface information on the heart at different times, and a control unit that selects, as selection information, the inner wall surface information input at a timing at which a predetermined pulsation phase range included in the pulsation cycle and a predetermined respiration phase range included in the respiration cycle overlap each other, out of a plurality of the input inner wall surface information.Type: ApplicationFiled: March 27, 2019Publication date: May 13, 2021Applicants: TERUMO KABUSHIKI KAISHA, Rokken Inc.Inventors: Yasukazu SAKAMOTO, Katsuhiko SHIMIZU, Ryosuke SAGA
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Publication number: 20210015452Abstract: An image processing device includes a drive unit connected with an ultrasound element or an image sensor element, and an image processing unit that sequentially generates two-dimensional images of an organ, a blood vessel, or a medical instrument, based on information which is acquired by the ultrasound element or the image sensor element, and that generates a three-dimensional image based on the two-dimensional image. The image processing unit includes a storage unit that stores position correspondence information and/or image correspondence information, and a control unit that determines a position inside the three-dimensional image corresponding to a current position of the ultrasound element or the image sensor element, based on the position correspondence information or the image correspondence information, and that generates display information in real time, in which the determined position inside the three-dimensional image is identified and displayed inside the three-dimensional image.Type: ApplicationFiled: March 27, 2019Publication date: January 21, 2021Applicants: TERUMO KABUSHIKI KAISHA, Rokken Inc.Inventors: Katsuhiko SHIMIZU, Yasukazu SAKAMOTO, Ryosuke SAGA
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Publication number: 20210007580Abstract: An imaging device capable of acquiring images of an internal structure of a living body highly accurately in a wide range. An imaging device has a first housing to which a proximal portion of an outer sheath is fixed, with a drive shaft for driving a imaging unit and an inner sheath extending through the first housing, and a second housing to which a proximal portion of the inner sheath is fixed and which holds the drive shaft rotatably therein. The first housing has a first port held in fluid communication with an inner lumen of the outer sheath, and the second housing is movable toward and away from the first housing. The imaging device also includes a first gap between the inner sheath and the outer sheath and a second gap between the inner sheath and the drive shaft.Type: ApplicationFiled: September 29, 2020Publication date: January 14, 2021Applicant: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko SHIMIZU, Yasukazu SAKAMOTO
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Patent number: 10835317Abstract: Disclosed is a treatment device for occluding a body lumen, including: an elongated body which can be inserted into the body lumen; a flat portion forming section which is supported by the elongated body, is expandable widthwise on a more distal side than the elongated body, and deforms the body lumen into a form having a flat portion at a distal portion of the flat portion forming section upon the expansion of the flat portion forming section within the body lumen; and an administering section which administers, toward the flat portion formed by the flat portion forming section, a treatment which acts to occlude the flat portion.Type: GrantFiled: March 19, 2015Date of Patent: November 17, 2020Assignee: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko Shimizu, Takashi Kitaoka, Youichirou Kuwano
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Patent number: 10575903Abstract: A treatment device is disclosed for treatment of a living body lumen. The treatment device can include an optical fiber having an emitting part that emits laser light from a side circumferential surface. Two or more grooves are provided in the emitting part at places different in a longitudinal direction of the emitting part. The two or more grooves have two or more kinds of shapes and intensities of the laser light emitted from the grooves adjacent to each other are different. A maximum region of intensity of the laser light emitted from the emitting part is located on one end side relative to a center position in the longitudinal direction of the emitting part. The intensity of the laser light emitted from the emitting part on the other end side of the emitting part relative to a position of the maximum region decreases toward the other end side.Type: GrantFiled: January 17, 2017Date of Patent: March 3, 2020Assignee: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko Shimizu, Yuuki Itou, Yuuichi Tada
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Publication number: 20200046947Abstract: An air removal mechanism includes a body having a hollow portion capable of storing a liquid. In a state where the body is mounted on an introducer sheath, a medical device to be inserted into the introducer sheath is insertable via the hollow portion. The body has an injection path which communicates with the hollow portion and on which an outlet is open toward a valve body.Type: ApplicationFiled: October 18, 2019Publication date: February 13, 2020Applicant: TERUMO KABUSHIKI KAISHAInventors: Takayuki MORI, Kinya HARADA, Wataru KARINO, Katsuhiko SHIMIZU, Youichirou KUWANO
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Publication number: 20200008887Abstract: Provided is a medical device including: a first elongated body; an electrode that is fixed to the annular expansion portion of the first elongated body; a second elongated body that has a distal portion and a proximal portion, a first lumen communicating from the distal portion to the proximal portion, and a second lumen parallel to the first lumen at the distal portion; and an ultrasound element that is configured to move inside the first lumen of the second elongated body in an axial direction, in which the first elongated body is inserted into the second lumen, and the linear portion of the first elongated body is positioned in a direction orthogonal to the axial direction of the ultrasound element, and the ultrasound element receives ultrasound reflected from the first elongated body and ultrasound reflected from a body-cavity around the second elongated body.Type: ApplicationFiled: September 20, 2019Publication date: January 9, 2020Inventors: Katsuhiko SHIMIZU, Itaru OOKUBO, Yasukazu SAKAMOTO, Hiroki HOSONO
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Patent number: 10307525Abstract: A contrast agent removing device configured to remove a contrast agent from blood vessels includes: an elongated outer tube 40; an inner tube 20 arranged in an interior of the outer tube 40; an expandable portion 30 interlocked with a distal portion of the inner tube 20 and configured to be capable of being stored within the outer tube 40 and to expand radially outward in a funnel shape opening in a distal direction by projecting from the outer tube in the distal direction; and a fixing portion 80 provided at the rim of the expandable portion 30 and configured to be capable of being fixed to a contact object.Type: GrantFiled: April 20, 2016Date of Patent: June 4, 2019Assignee: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko Shimizu, Keiko Yamashita, Hiroki Hosono, Yasukazu Sakamoto
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Patent number: 10207124Abstract: A laser light irradiation device is disclosed, which can include an optical guide having a columnar portion and transmitting laser light through the columnar portion; a reflecting portion having a reflecting surface that reflects the laser light transmitted through the optical guide; and a transmitting portion having a window part and disposed between the columnar portion of the optical guide and the reflecting portion in such a manner that one end of the transmitting portion is in contact with the columnar portion, the transmitting portion transmitting the laser light emitted from the columnar portion to the reflecting portion and transmitting the laser light reflected by the reflecting surface to cause the laser light to be radiated to an external through the window part. A diameter of the reflecting surface gradually becomes smaller as distance from a boundary between the transmitting portion and the reflecting portion increases.Type: GrantFiled: September 29, 2015Date of Patent: February 19, 2019Assignee: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko Shimizu, Yuuichi Tada, Yuuki Itou, Kazuyuki Takahashi
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Patent number: 10209791Abstract: An electronic device can effectively transmit sound even if a force is applied to a panel by an ear. The electronic device includes a panel (10) and a vibration unit (30) that vibrates the panel (10) to generate air-conducted sound and vibration sound that is transmitted through a portion of a human body. The intensity of vibration of the vibration unit (30) changes in accordance with the force applied to the panel (10).Type: GrantFiled: May 21, 2013Date of Patent: February 19, 2019Assignee: KYOCERA CorporationInventors: Tomoyoshi Ikeda, Fumiaki Nakao, Kenji Kono, Tomotake Aono, Katsuhiko Shimizu, Shigeto Hattori, Jun Takeda
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Publication number: 20180297866Abstract: Provided are a water treatment system and a water treatment method capable of downsizing a facility and inexpensively producing freshwater. A water treatment system includes: a first reverse osmosis treatment device for separating wastewater into desalinated permeate water and concentrated wastewater; a mixing unit for mixing the separated concentrated wastewater and intake seawater; a second reverse osmosis treatment device for separating mixed water obtained by mixing the concentrated wastewater and the seawater into desalinated permeate water and concentrated mixed water; and a return pipe for returning a portion of the separated concentrated mixed water to the mixing unit.Type: ApplicationFiled: June 22, 2018Publication date: October 18, 2018Applicant: Hitachi, Ltd.Inventors: Shinichi YOSHIKAWA, Katsuhiro MIBU, Yukiko ICHIGE, Katsuhiko SHIMIZU, Hideaki KUROKAWA
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Patent number: 10031584Abstract: A tactile sensation providing apparatus includes a piezoelectric element 1, a detection unit 7 for detecting each pressing and releasing based on an output voltage of the piezoelectric element 1, a drive unit 4 for driving the piezoelectric element 1 synchronously with the detection of each pressing and releasing by the detection unit 7 and thereby providing a tactile sensation, a discharge unit 5 for discharging the piezoelectric element 1 after the driving of the piezoelectric element 1 before start of detection of next releasing or pressing, and a voltage fixing unit 11 for fixing, after the detection of the pressing or releasing by the detection unit 7 before the start of the detection of the next pressing or releasing, an input voltage of the detection unit 7 at a predetermined voltage.Type: GrantFiled: September 26, 2014Date of Patent: July 24, 2018Assignee: KYOCERA CorporationInventor: Katsuhiko Shimizu
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Patent number: 9987026Abstract: A medical instrument is disclosed for crushing a thrombus present in a pulmonary artery of a living body by an ultrasonic vibration. The medical instrument includes an elongated main body section capable of being inserted into an airway of the living body, and an ultrasonic oscillation section which can be inserted into the living body by the main body section and which oscillates the ultrasonic vibration inside the living body. By the medical instrument, a thrombus present in a pulmonary artery can be rapidly crushed, whereby a therapeutic effect on pulmonary embolism can be obtained.Type: GrantFiled: August 7, 2015Date of Patent: June 5, 2018Assignee: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko Shimizu, Youichirou Kuwano
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Patent number: 9962215Abstract: Disclosed is a treatment device for occluding a body lumen, including: a hollow shaft which can be inserted into the body lumen; a flat portion forming section which has a pair of arms inserted in the shaft, the arms capable of being protruded from and retracted into a distal end opening of the shaft and expandable widthwise, and which deforms the body lumen into a form having a flat portion as the pair of arms is expanded within the body lumen; and a heating section which is extendable and contractible in a width direction of the flat portion forming section, is extended as the pair of arms is expanded within the body lumen, and heats the flat portion.Type: GrantFiled: March 19, 2015Date of Patent: May 8, 2018Assignee: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko Shimizu, Youichirou Kuwano
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Patent number: 9845051Abstract: This invention has an object to assist for traveling operation of a self-propelled industrial machine to display underneath image of the self-propelled industrial machine on a monitor of a display device mounted in a operator's cab. The display device of the self-propelled industrial machine according to the present invention is provided for a dump truck, which comprises cameras having field of view to underneath of the dump truck, a symbol image storage section to store a symbol image which is symbolized the dump truck, a superposing process section to make transparent with a predetermined transparent ratio in the symbol image as a transparent region and to superpose an image taken by the camera on the area corresponding to the transparent region as underneath image, and a monitor mounted in a cab of the dump truck for displaying the symbol image composed by the superposing process section.Type: GrantFiled: April 25, 2013Date of Patent: December 19, 2017Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Yoichi Kowatari, Naokazu Oda, Katsuhiko Shimizu, Yoshihiro Inanobe, Hidefumi Ishimoto
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Publication number: 20170119469Abstract: A treatment device is disclosed for treatment of a living body lumen. The treatment device can include an optical fiber having an emitting part that emits laser light from a side circumferential surface. Two or more grooves are provided in the emitting part at places different in a longitudinal direction of the emitting part. The two or more grooves have two or more kinds of shapes and intensities of the laser light emitted from the grooves adjacent to each other are different. A maximum region of intensity of the laser light emitted from the emitting part is located on one end side relative to a center position in the longitudinal direction of the emitting part. The intensity of the laser light emitted from the emitting part on the other end side of the emitting part relative to a position of the maximum region decreases toward the other end side.Type: ApplicationFiled: January 17, 2017Publication date: May 4, 2017Applicant: TERUMO KABUSHIKI KAISHAInventors: Katsuhiko SHIMIZU, Yuuki ITOU, Yuuichi TADA
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Publication number: 20170072857Abstract: The underneath image of a self-propelled industrial machine is displayed with as wide a range as possible on a monitor with cameras that take images around the self-propelled industrial machine in the form of bird's eye view images. A view point conversion section creates the bird's eye view image by converting images from plural cameras provided on a dump truck; and a superposing process section processes the images to make the underneath area in a symbol image a transparent region corresponding to the position in the bird's eye view. An image composing section sets the symbol image at the center position and the respective bird's eye view images around the symbol image. A monitor displays the composite image composed by the image composing section.Type: ApplicationFiled: November 4, 2016Publication date: March 16, 2017Inventors: Yoichi KOWATARI, Yoshihiro INANOBE, Katsuhiko SHIMIZU, Hidefumi ISHIMOTO