Patents by Inventor Jun Kubota
Jun Kubota 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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Patent number: 7967058Abstract: An apparatus for controlling a flow of a molten steel in a mold, the apparatus including: a casting-condition acquiring unit for acquiring at least five casting conditions; a calculating unit for calculating a molten steel flow velocity on a molten steel bath surface in accordance with the acquired casting conditions; a determining unit for determining whether the acquired molten steel flow velocity is higher or lower than a mold-powder entrainment critical flow velocity; a control unit for applying a shifting magnetic field to impart a braking force to a discharge flow from an immersion nozzle and applying a shifting magnetic field to rotate the molten steel in a horizontal direction; and a shifting magnetic field generating apparatus.Type: GrantFiled: June 9, 2010Date of Patent: June 28, 2011Assignee: JFE Steel CorporationInventors: Jun Kubota, Seishi Mizuoka, Tsuneo Kondo
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Patent number: 7927279Abstract: An ultrasonograph comprising a probe for measurement by bringing the probe into contact with a subject in a first state, first image creating means for creating a first image of the subject from the information sent from the probe, image display means for displaying the first image created by the first image creating means, means for setting at least one piece of reference information on the first image displayed by the image displaying means, second image creating means for creating a second image of the subject from the measurement information collected by bringing the probe into contact with the subject in a second state different from the first state, means for collecting information on the distortion of a desired region of interest in the second image on the basis of the variation, in the second image, of the reference information set on the first image by the setting means, and display control means for controlling the display of the distortion information collected by the distortion collecting means onType: GrantFiled: June 4, 2003Date of Patent: April 19, 2011Assignee: Hitachi Medical CorporationInventors: Jun Kubota, Hirotaka Baba
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Publication number: 20100318213Abstract: An apparatus for controlling a flow of a molten steel in a mold, the apparatus comprising: a casting-condition acquiring means for acquiring at least five casting conditions; a calculating means for calculating a molten steel flow velocity on a molten steel bath surface in accordance with the acquired casting conditions; a determining means for determining whether the acquired molten steel flow velocity is higher or lower than a mold-powder entrainment critical flow velocity; a control means for applying a shifting magnetic field to impart a braking force to a discharge flow from an immersion nozzle and applying a shifting magnetic field to rotate the molten steel in a horizontal direction; and a shifting magnetic field generating apparatus.Type: ApplicationFiled: June 9, 2010Publication date: December 16, 2010Applicant: JFE STEEL CORPORATIONInventors: Jun Kubota, Seishi Mizuoka, Tsuneo Kondo
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Patent number: 7828731Abstract: An ultrasonographic apparatus in which the S/N ratio of a compound image is improved operates by combining a plurality of reception beam signals from probes arranged at different positions relative to a sample, converting the combined ultrasonic beam into a luminance signal, and displaying the luminance signal.Type: GrantFiled: September 6, 2002Date of Patent: November 9, 2010Assignee: Hitachi Medical CorporationInventors: Hirotaka Baba, Yutaka Sato, Ryuichi Shinomura, Jun Kubota
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Patent number: 7789830Abstract: A thrombus detecting apparatus provided with: a transducer (10), which is attached to a monitor portion of a subject and transmits and receives ultrasonic waves, a transmitter and receiver unit (11), which transmits and applies driving pulses to the transducer (10) and receives echo signals output from the transducer, and a detector (12) making use of ultrasonic waves, which processes output signals of the transmitter and receiver unit (11) and detects a thrombus passing through a blood vessel, and/or a light source (21), which generates living body inspection light, a probe (22), which is attached to a monitor portion of the subject and irradiates the living body inspection light from the light source (21) to the subject, a light receiving unit (25), which receives living body inspection light irradiated from the probe (22) and passed through the subject and outputs electrical signals depending on the intensity of the received living body inspection light, and a detector (26) making use of living body light,Type: GrantFiled: November 14, 2003Date of Patent: September 7, 2010Assignee: Hitachi Medical CorporationInventors: Kazunari Ishida, Mikihiro Kaga, Naoto Fujita, Jun Kubota
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Publication number: 20100222676Abstract: An ultrasonic therapeutic apparatus according to the present invention being provided with: an ultrasonic probe (102) provided with a group of ultrasonic transducers for diagnosis use and a group of ultrasonic transducers for therapeutic use of which at least apart of ultrasonic beam irradiation surfaces are arranged so as to overlap each other, a tomographic image producing means (8) that produces a tomographic image containing a diseased portion of a subject from reflection echoes received by the group of ultrasonic transducers for diagnosis use, a display means (10) that displays the tomographic image containing the diseased portion of the subject produced by the tomographic image producing means (8), a setting means (103) that sets an irradiation path of the therapeutic ultrasonic waves on the tomographic image containing the diseased portion of the subject displayed by the display means (10) and a control means (104) that produces irradiation path information corresponding to the irradiation path of theType: ApplicationFiled: June 22, 2006Publication date: September 2, 2010Inventors: Makoto Ogihara, Jun Kubota, Akira Sasaki, Hiroshi Furuhata
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Patent number: 7762311Abstract: A method for controlling a flow of molten steel in a slab continuous casting machine including controlling a molten steel flow velocity on a molten steel bath surface to a predetermined flow velocity by applying a shifting magnetic field; controlling the molten steel flow velocity on the molten steel bath surface from an inclusion-adherence critical flow velocity or more to a mold-powder entrainment critical flow velocity or less by applying a shifting magnetic field; and controlling the molten steel flow velocity on the molten steel bath surface from the inclusion-adherence critical flow velocity or more to the mold-powder entrainment critical flow velocity or less by applying a shifting magnetic field.Type: GrantFiled: March 16, 2009Date of Patent: July 27, 2010Assignee: JFE Steel CorporationInventors: Jun Kubota, Seishl Mizuoka, Tsuneo Kondo
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Publication number: 20100163206Abstract: A method for detecting a crater end of a continuously cast product, including installing an ultrasonic shear wave sensor for transmitting an ultrasonic shear wave to the continuously cast product and receiving the transmitted ultrasonic shear wave in a continuous casting machine, detecting based on variations of an ultrasonic signal received by the ultrasonic shear wave sensor that the crater end of the cast product is matched with the installed position of the ultrasonic shear wave sensor, calibrating a physical property value used in a calculation based on a heat condition equation such that the crater end computed based on the heat condition equation using casting conditions at that time is matched with the installed position of the ultrasonic shear wave sensor, and after the calibration, determining the crater end by the calculation based on the heat condition equation under respective casting conditions by using the calibrated physical property value.Type: ApplicationFiled: January 26, 2010Publication date: July 1, 2010Applicant: JFE STEEL CORPORATIONInventors: Yukinori Iizuka, Jun Kubota, Koichi Tsutsumi
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Patent number: 7740051Abstract: A method for detecting a crater end of a continuously cast product including installing an ultrasonic shear wave sensor for transmitting an ultrasonic shear wave to a cast product and receiving the transmitted ultrasonic longitudinal wave and an ultrasonic longitudinal wave sensor for transmitting an ultrasonic longitudinal wave to the cast product and receiving the transmitted ultrasonic longitudinal wave at the same position in a continuous casting machine or at positions apart from each other in a casting direction, but at the same position in a transverse direction of the cast product, detecting based on variations of an ultrasonic signal received by the ultrasonic shear wave sensor that the crater end of the cast product is matched with the installed position of the ultrasonic shear wave sensor, calibrating a calculation formula for determining the crater end and determining the crater end.Type: GrantFiled: November 24, 2004Date of Patent: June 22, 2010Assignee: JFE Steel CorporationInventors: Yukinori Iizuka, Jun Kubota, Koichi Tsutsumi
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Patent number: 7662098Abstract: An ultrasound probe comprises therapeutic transducers which include a plurality of arrayed first transducer elements and emit therapeutic ultrasounds to a subject, and diagnostic transducers which include a plurality of arrayed second transducer elements and emit diagnostic ultrasounds to the subject and receive the diagnostic ultrasounds, wherein the therapeutic transducers are stacked over the diagnostic transducers.Type: GrantFiled: January 29, 2004Date of Patent: February 16, 2010Assignees: Hitachi Medical Corporation, Jikei UniversityInventors: Jun Kubota, Akira Sasaki, Hiroshi Furuhata, Kazunari Ishida, Shinichiro Umemura, Takashi Azuma, Katsunori Asafusa
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Publication number: 20090236069Abstract: A method for controlling a flow of molten steel in a slab continuous casting machine including controlling a molten steel flow velocity on a molten steel bath surface to a predetermined flow velocity by applying a shifting magnetic field; controlling the molten steel flow velocity on the molten steel bath surface from an inclusion-adherence critical flow velocity or more to a mold-powder entrainment critical flow velocity or less by applying a shifting magnetic field; and controlling the molten steel flow velocity on the molten steel bath surface from the inclusion-adherence critical flow velocity or more to the mold-powder entrainment critical flow velocity or less by applying a shifting magnetic field.Type: ApplicationFiled: March 16, 2009Publication date: September 24, 2009Applicant: JFE STEEL CORPORATIONInventors: Jun Kubota, Seishi Mizuoka, Tsuneo Kondo
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Patent number: 7540317Abstract: When a molten steel flow velocity (u) on a bath surface is higher than a mold-powder entrainment critical flow velocity of 0.32 m/sec, the molten steel flow velocity (u) is controlled to a predetermined molten steel flow velocity by applying a shifting magnetic field to impart a braking force to a discharge flow from an immersion nozzle. When the molten steel flow velocity (u) is lower than an inclusion-adherence critical flow velocity of 0.20 m/sec and is higher than or equal to a bath-surface skinning critical flow velocity of 0.10 m/sec, the molten steel flow velocity (u) is controlled to the range of 0.20-0.32 m/sec by applying a shifting magnetic field to rotate the intra-mold molten steel in a horizontal direction. When the molten steel flow velocity (u) is lower than the inclusion-adherence critical flow velocity, the molten steel flow velocity (u) is controlled to the range of 0.20-0.Type: GrantFiled: February 28, 2003Date of Patent: June 2, 2009Assignee: JFE Steel CorporationInventors: Jun Kubota, Seishi Mizuoka, Tsuneo Kondo
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Publication number: 20080269607Abstract: An ultrasonic treatment apparatus includes a trace and follow computing unit 22 which sets, prior to ultrasonic treatment, a treatment region 52 on an ultrasonic tomographic image 50 of a region of interest containing an affected part of a subject displayed on a monitor 18 as well as sets a reference point 54 outside the treatment region 52, traces a position of the reference point 54 based on image data of the ultrasonic tomographic images taken successively thereafter, computes and estimates moved treatment region 52 due to such as body motion of the subject based on the moved position 54? of the reference point traced and successively outputs a command for correcting a focal point position of treatment use ultrasonic beams irradiated toward the treatment region 52? of the subject from a treatment use probe 24 so as to follow the moved treatment region 52? as computed and estimated.Type: ApplicationFiled: June 9, 2005Publication date: October 30, 2008Inventors: Kazunari Ishida, Jun Kubota, Hirotaka Baba
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Publication number: 20070213613Abstract: A thrombus detecting apparatus provided with: a transducer (10), which is attached to a monitor portion of a subject and transmits and receives ultrasonic waves, a transmitter and receiver unit (11), which transmits and applies driving pulses to the transducer (10) and receives echo signals output from the transducer, and a detector (12) making use of ultrasonic waves, which processes output signals of the transmitter and receiver unit (11) and detects a thrombus passing through a blood vessel, and/or a light source (21), which generates living body inspection light, a probe (22), which is attached to a monitor portion of the subject and irradiates the living body inspection light from the light source (21) to the subject, a light receiving unit (25), which receives living body inspection light irradiated from the probe (22) and passed through the subject and outputs electrical signals depending on the intensity of the received living body inspection light, and a detector (26) making use of living body light,Type: ApplicationFiled: November 14, 2003Publication date: September 13, 2007Inventors: Kazunari Ishida, Mikihiro Kaga, Naoto Fujita, Jun Kubota
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Publication number: 20070102134Abstract: In continuous casting of steel, the invention is able to accurately detect a crater end only from a value measured by a sensor without needing calibration based on the slab rivet method, etc. An ultrasonic shear wave sensor 6, 8 for transmitting an ultrasonic shear wave to a cast product 1 and receiving it and an ultrasonic longitudinal wave sensor 7, 9 for transmitting an ultrasonic longitudinal wave to the cast product and receiving it are installed at the same position in a continuous casting machine or at two positions apart in a casting direction but at the same position in a transverse direction of the cast product. From variations of an ultrasonic signal received by the ultrasonic shear wave sensor, it is detected that a crater end 4 of the cast product is matched with the installed position of the ultrasonic shear wave sensor.Type: ApplicationFiled: November 24, 2004Publication date: May 10, 2007Inventors: Yukinori Iizuka, Jun Kubota, Koichi Tsutsumi
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Publication number: 20060173321Abstract: An ultrasound probe comprises therapeutic transducers which include a plurality of arrayed first transducer elements and emit therapeutic ultrasounds to a subject, and diagnostic transducers which include a plurality of arrayed second transducer elements and emit diagnostic ultrasounds to the subject and receive the diagnostic ultrasounds, wherein the therapeutic transducers are stacked over the diagnostic transducers.Type: ApplicationFiled: January 29, 2004Publication date: August 3, 2006Inventors: Jun Kubota, Akira Sasaki, Hiroshi Furuhata, Kazunari Ishida, Shinichiro Umemura, Takashi Azuma, Katsunori Asafusa
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Publication number: 20050187470Abstract: An ultrasonograph comprising a probe for measurement by bringing the probe into contact with a subject in a first state, first image creating means for creating a first image of the subject from the information sent from the probe, image display means for displaying the first image created by the first image creating means, means for setting at least one piece of reference information on the first image displayed by the image displaying means, second image creating means for creating a second image of the subject from the measurement information collected by bringing the probe into contact with the subject in a second state different from the first state, means for collecting information on the distortion of a desired region of interest in the second image on the basis of the variation, in the second image, of the reference information set on the first image by the setting means, and display control means for controlling the display of the distortion information collected by the distortion collecting means onType: ApplicationFiled: June 4, 2003Publication date: August 25, 2005Inventors: Jun Kubota, Hirotaka Baba
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Publication number: 20050092458Abstract: When a molten steel flow velocity (u) on a bath surface is higher than a mold-powder entrainment critical flow velocity of 0.32 m/sec, the molten steel flow velocity (u) is controlled to a predetermined molten steel flow velocity by applying a shifting magnetic field to impart a braking force to a discharge flow from an immersion nozzle. When the molten steel flow velocity (u) is lower than an inclusion-adherence critical flow velocity of 0.20 m/sec and is higher than or equal to a bath-surface skinning critical flow velocity of 0.10 m/sec, the molten steel flow velocity (u) is control to the range of 0.20-0.32 m/sec by applying a shifting magnetic field to rotate the intra-mold molten steel in a horizontal direction. When the molten steel flow velocity (u) is lower than the inclusion-adherence critical flow velocity, the molten steel flow velocity (u) is controlled to the range of 0.20-0.Type: ApplicationFiled: February 28, 2003Publication date: May 5, 2005Applicant: JFE STEEL CORPORATIONInventors: Jun Kubota, Seishi Mizuoka, Tsuneo Kondo
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Publication number: 20040210137Abstract: An ultrasonographic apparatus in which the S/N ratio of a compound image is improved operates by combining a plurality of reception beam signals from probes arranged at different positions relative to a sample, converting the combined ultrasonic beam into a luminance signal, and displaying the luminance signal.Type: ApplicationFiled: March 3, 2004Publication date: October 21, 2004Inventors: Hirotaka Baba, Yutaka Sato, Ryuichi Shinomura, Jun Kubota
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Patent number: 6736779Abstract: An ultrasonic probe in which two-dimensional array transducer elements are arrayed convexly both in one direction of the two-dimensional array and in the direction perpendicular to the former direction relative to the direction where an ultrasonic wave is transmitted. By switching a transducer element selecting switch circuit provided near the transducer elements, the shape of the diameter of the probe for transmitting and receiving of ultrasound and the position of the diameter are arbitrarily determined.Type: GrantFiled: July 10, 2002Date of Patent: May 18, 2004Assignee: Hitachi Medical CorporationInventors: Shuzo Sano, Yutaka Sato, Jun Kubota, Shinji Kishimoto, Ryuichi Shinomura, Satoshi Tamano, Takaya Osawa, Yuichi Miwa, Hiroshi Masuzawa