Patents by Inventor Takashi Ogura
Takashi Ogura 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: 20140159736Abstract: An estimation apparatus of estimating a deterioration state of a secondary battery has a current sensor measuring an electric current of the secondary battery, a current estimating section estimating the electric current of the secondary battery by using a battery model, and a deterioration estimating section estimating a second deterioration component produced in association with a salt concentration imbalance in the secondary battery. The deterioration estimating section estimates the second deterioration component by using the measured current obtained from the current sensor, the estimated current obtained from the current estimating section, and a first deterioration component produced in association with wear of the secondary battery.Type: ApplicationFiled: August 3, 2011Publication date: June 12, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinichi Morimoto, Teruo Ishishita, Masaru Kimura, Takashi Ogura
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Publication number: 20140092655Abstract: A power converter includes an inverter unit that includes a plurality of semiconductor switching elements constituting upper and lower arms and converts DC power into AC power; a gate driving unit that outputs, to the inverter unit, a gate signal used to drive gates of the plurality of semiconductor switching elements; a driving control unit that supplies the gate driving unit with a switching control signal used for the gate driving unit to output the gate signal; a first abnormality detection unit that performs over voltage detection of the DC power and over current detection of the AC power and temperature detection of the upper and lower arms; and a second abnormality detection unit that detects abnormality of the plurality of semiconductor switching elements of the upper arm and lower arms, wherein the driving control unit includes a first protection circuit and a second protection circuit.Type: ApplicationFiled: December 7, 2010Publication date: April 3, 2014Applicant: Hitachi Automotive Systems, Ltd.Inventors: Hiroaki Igarashi, Satoru Shigeta, Takashi Ogura
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Patent number: 8666024Abstract: A multi-X-ray generating apparatus which has a plurality of electron sources arranged two-dimensionally and targets arranged at positions opposite to the electron sources includes a multi-electron source which includes a plurality of electron sources and outputs electrons from driven electron sources by selectively driving a plurality of electron sources in accordance with supplied driving signals, and a target unit which includes a plurality of targets which generate X-rays in accordance with irradiation of electrons output from the multi-electron source and outputs X-rays with different radiation qualities in accordance with the generation locations of X-rays. The generation locations and radiation qualities of X-rays from the target unit are controlled by selectively driving the electron sources of the multi-electron source.Type: GrantFiled: March 12, 2013Date of Patent: March 4, 2014Assignee: Canon Kabushiki KaishaInventors: Masahiko Okunuki, Osamu Tsujii, Satoshi Shimizu, Takashi Ogura
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Patent number: 8605471Abstract: A power conversion device includes: an inverter that converts a DC current supplied from a DC power source to an AC current by engaging a plurality of switching elements, which constitute an upper arm, and a plurality of switching elements, which constitute a lower arm, in switching operation; a control unit that includes a signal generation unit that generates a switching signal carrying a command for execution of the switching operation in correspondence to each of the plurality of switching elements constituting the upper arm and the plurality of switching elements constituting the lower arm, and outputs the switching signal thus generated as a control signal; and a drive unit that individually drives each of the switching elements based upon the corresponding control signals.Type: GrantFiled: June 15, 2011Date of Patent: December 10, 2013Assignee: Hitachi Automotive System, Ltd.Inventors: Takashi Ogura, Satoru Shigeta, Hiroaki Igarashi, Koichi Ono, Yasuo Noto
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Publication number: 20130322594Abstract: A stereoscopic X-ray imaging apparatus includes: right and left X-ray tubes; a diaphragm unit in which right and left openings are formed through which X-rays radiated by the right and left X-ray tubes pass, respectively; an X-ray sensor on which the X-ray radiated by each of the right and left X-ray tubes is projected; a controller configured to control positions and sizes of the right and left openings; and right and left visible light sources configured to radiate a visible light to the X-ray sensor in the same area as each of the right and left X-ray tubes through each of the right and left openings. Spectra of the visible light emitted by the right and left visible light sources are different from each other.Type: ApplicationFiled: May 28, 2013Publication date: December 5, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Osamu Tsujii, Takashi Ogura
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Publication number: 20130294580Abstract: In an X-ray generator which includes an electron beam generating unit which has a plurality of electron emitters and generates an electron beam corresponding to driven electron emitters, and a target electrode which generates X-rays with the irradiation position of an electron beam generated by the electron beam generating unit being an X-ray focus, the X-ray focus shape formed by a set of X-ray focuses on the target electrode is controlled by individually controlling driving of the plurality of electron emitters.Type: ApplicationFiled: June 28, 2013Publication date: November 7, 2013Inventors: Osamu Tsujii, Makoto Sato, Masahiko Okunuki, Satoshi Shimizu, Takashi Ogura
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Publication number: 20130294582Abstract: An X-ray imaging apparatus is provided with a multi X-ray source and a collimator in which a plurality of slits for X-rays to pass through are two-dimensionally formed, the size and position of the slits being adjustable. A control unit, as a first control mode, controls the size and position of the slits to move an examination region in parallel, when an X-ray source is changed to a different X-ray source, such that the examination directions are parallel before and after the change. Also, the control unit, as a second control mode, controls the size and position of the slits to rotate the examination direction, when an X-ray source is changed to a different X-ray source, such that the center of the examination regions is the same before and after the change.Type: ApplicationFiled: July 9, 2013Publication date: November 7, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Osamu Tsujii, Makoto Sato, Masahiko Okunuki, Satoshi Shimizu, Takashi Ogura
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Publication number: 20130251173Abstract: Provided is a wireless microphone system comprising a microphone and a wireless receiver, wherein the wireless microphone system is provided with: a normal communication mode in which communication is performed by using a normal unique word (UWN) preset in both the microphone and the wireless receiver devices; a confidential setting mode in which a confidential unique word (UWX) is transmitted without being set in either of said devices; and a confidential communication mode in which communication is performed by both said devices by using the confidential unique word (UWX) set by the confidential setting mode.Type: ApplicationFiled: December 9, 2011Publication date: September 26, 2013Applicant: TOA CORPORATIONInventors: Ken'ichi Ejima, Takashi Ogura, Koji Moriguchi
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Publication number: 20130230142Abstract: Provided is an X-ray imaging apparatus, including: an X-ray generation unit for radiating an X-ray; a control unit for controlling the X-ray generation unit; an X-ray reception unit; a storing unit capable of storing the X-ray reception unit for receiving the X-ray radiated from the X-ray generation unit; and a U-shaped arm unit for holding the X-ray generation unit, the control unit, and the storing unit.Type: ApplicationFiled: February 25, 2013Publication date: September 5, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Jun Murata, Takashi Ogura
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Patent number: 8519600Abstract: An ultrasonic transducer includes: a piezoelectric transducer (1) emitting ultrasonic waves; and a backing layer (4) provided in contact with a back side of the piezoelectric transducer (1) and attenuating ultrasonic waves that are emitted toward the back side of the piezoelectric transducer (1) and have an opposite phase to the phase of ultrasonic waves emitted toward a front side of the piezoelectric transducer (1). The acoustic tubes (5) are disposed in the backing layer (4) such that a longitudinal direction of each acoustic tube (5) is in line with a traveling direction of the ultrasonic waves emitted by the piezoelectric transducer (1) toward the front and the back side. The acoustic tubes (5) have mutually different lengths on the basis of a principle of an acoustic wave synthesis, and attenuate in whole or in part the ultrasonic waves emitted by the piezoelectric transducer (1) toward the backing layer (4).Type: GrantFiled: June 4, 2010Date of Patent: August 27, 2013Assignee: Panasonic CorporationInventors: Masako Ikeda, Takashi Ogura
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Patent number: 8509387Abstract: An X-ray imaging apparatus is provided with a multi X-ray source and a collimator in which a plurality of slits for X-rays to pass through are two-dimensionally formed, the size and position of the slits being adjustable. A control unit, as a first control mode, controls the size and position of the slits to move an examination region in parallel, when an X-ray source is changed to a different X-ray source, such that the examination directions are parallel before and after the change. Also, the control unit, as a second control mode, controls the size and position of the slits to rotate the examination direction, when an X-ray source is changed to a different X-ray source, such that the center of the examination regions is the same before and after the change.Type: GrantFiled: November 9, 2009Date of Patent: August 13, 2013Assignee: Canon Kabushiki KaishaInventors: Osamu Tsujii, Makoto Sato, Masahiko Okunuki, Satoshi Shimizu, Takashi Ogura
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Patent number: 8488742Abstract: In an X-ray generator which includes an electron beam generating unit which has a plurality of electron emitters and generates an electron beam corresponding to driven electron emitters, and a target electrode which generates X-rays with the irradiation position of an electron beam generated by the electron beam generating unit being an X-ray focus, the X-ray focus shape formed by a set of X-ray focuses on the target electrode is controlled by individually controlling driving of the plurality of electron emitters.Type: GrantFiled: February 4, 2009Date of Patent: July 16, 2013Assignee: Canon Kabushiki KaishaInventors: Osamu Tsujii, Makoto Sato, Masahiko Okunuki, Satoshi Shimizu, Takashi Ogura
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Patent number: 8455925Abstract: To provide a structure of a semiconductor device that realizes an increase in a capacitor capacitance of a memory circuit to the maximum while inhibiting an increase in a contact resistance of a logic circuit, and a manufacture method thereof. When designating the number of layers of the local interconnect layers having wiring that makes up a logic circuit area as M and designating the number of layers of the local interconnect layers having wiring that makes up the memory circuit as N (M and N are natural numbers and satisfy M>N), capacitance elements are provided over the interconnect layers comprised of (M?N) layers or (M?N+1) layers.Type: GrantFiled: February 9, 2011Date of Patent: June 4, 2013Assignee: Renesas Electronic CoporationInventors: Masashige Moritoki, Takamasa Itou, Takashi Ogura, Tsutomu Himukai, Shigeaki Shimizu
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Patent number: 8422637Abstract: A multi X-ray generating apparatus which has a plurality of electron sources arranged two-dimensionally and targets arranged at positions opposite to the electron sources includes a multi electron source which includes a plurality of electron sources and outputs electrons from driven electron sources by selectively driving a plurality of electron sources in accordance with supplied driving signals, and a target unit which includes a plurality of targets which generate X-rays in accordance with irradiation of electrons output from the multi electron source and outputs X-rays with different radiation qualities in accordance with the generation locations of X-rays. The generation locations and radiation qualities of X-rays from the target unit are controlled by selectively driving the electron sources of the multi electron source.Type: GrantFiled: June 22, 2011Date of Patent: April 16, 2013Assignee: Canon Kabushiki KaishaInventors: Masahiko Okunuki, Osamu Tsujii, Satoshi Shimizu, Takashi Ogura
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Publication number: 20130090561Abstract: An ultrasonic probe which has high propagation efficiency of ultrasound and can obtain a high resolution ultrasonic diagnostic image, the ultrasonic probe includes an ultrasonic transducer including: a piezoelectric body which generates ultrasound; and a first matching layer which is disposed in a predetermined direction as seen from the piezoelectric body and is for performing acoustic matching between the piezoelectric body and a subject, wherein the first matching layer includes a plurality of matching regions which have a uniform thickness in the predetermined direction, are arranged in a direction perpendicular to the predetermined direction, and include at least two matching regions having frequency characteristics of ultrasound transmittance different from each other.Type: ApplicationFiled: February 13, 2012Publication date: April 11, 2013Inventors: Koichi Kusukame, Takashi Ogura, Takayuki Nagata
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Patent number: 8340329Abstract: A purpose of the invention is to provide a piezoelectric speaker that can serve as an antenna and can be used for frequencies in the MHz band, thereby it is possible to suppress enlarging of the size due to use of the piezoelectric speaker also as the antenna to a minimum level. The antenna (4) is provided on a frame (2a) that is a peripheral edge portion of the diaphragm (2). With this configuration, enlarging of the size can be suppressed to a minimum level while using the piezoelectric speaker also as the antenna, and it is possible to achieve space saving in a miniature electronic apparatus such as a mobile phone or the like when the piezoelectric speaker is adopted to the miniature electronic apparatus. In addition, the antenna (4) is a loop antenna formed in a loop shape. With this configuration, the piezoelectric speaker can be used for frequencies in the MHz band, which is used in, for example, a noncontact IC card technology.Type: GrantFiled: February 2, 2009Date of Patent: December 25, 2012Assignee: Panasonic CorporationInventors: Takashi Ogura, Tatsuhiko Tokuda
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Publication number: 20120318990Abstract: A radiation detection panel including a photoelectric conversion element that detects fluorescence by a phosphor layer, the radiation detection panel comprising: a base material for supporting the phosphor layer, including the photoelectric conversion element; and a protective film for covering the phosphor layer, wherein the phosphor layer is formed on a surface and at least one lateral face of the base material, and an angle between the surface and the at least one lateral face is less than 90 degrees.Type: ApplicationFiled: May 22, 2012Publication date: December 20, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Osamu Tsujii, Masato Inoue, Takashi Ogura, Noriaki Oguri
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Publication number: 20120314837Abstract: A radiation transmission type target to be used for a radiation tube has a target metal 12 placed on a substrate 13, and has an antistatic member 14 placed on a surface of the substrate 13 opposite to a surface on which the target metal 12 is placed. The target suppresses its electrostatic charge, and enables the radiation tube to stable operate.Type: ApplicationFiled: May 11, 2012Publication date: December 13, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Osamu Tsujii, Noriaki Oguri, Takashi Ogura
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Publication number: 20120297445Abstract: A method, system and computer program of managing an access right to at least one asset associated with at least one digital work order, or to at least one element associated with the asset, and provides a system and a computer program for the same. The method includes the steps of: loading a security policy associated with the work order, the asset, or the element; starting to monitor location information of the asset or the element and a moving object, or a elapsed time of the moving object at the location; and issuing an event for managing the asset, the element or the moving object in response to the start of the work order or in response to the fact that the loaded security policy is violated by any of the locations, a change in the location, or the elapsed time at the location obtained by the monitoring.Type: ApplicationFiled: August 2, 2012Publication date: November 22, 2012Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Yasutaka Nishimura, Takashi Ogura, Akira Ohkado, Tadashi Tsumura
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Publication number: 20120163533Abstract: A radiation imaging apparatus that captures radiographic images includes a radioactive ray generating unit configured to irradiate a subject with a plurality of radioactive rays generated by a plurality of electron sources. A radioactive ray detection unit captures a plurality of first radiographic images based on detection of the plurality of radioactive rays that have passed through the subject at different irradiation angles. Area specification unit specifies an object area using the plurality of first radiographic images captured by the radioactive ray detection unit, and a determination unit determines an electron source to be driven from the plurality of electron sources based on the object area specified by the area specification unit, such that a second radiographic image is captured based on the radioactive rays generated by the electron source determined by the determination unit.Type: ApplicationFiled: March 2, 2012Publication date: June 28, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Takashi Ogura, Osamu Tsujii