Patents by Inventor Masahiro Ozawa
Masahiro Ozawa 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: 9538977Abstract: An X-ray diagnosis apparatus detects X-rays output from an X-ray source and transmitted through a subject, and generates images of the inside of the subject, and comprises a detector, an X-ray intensity distribution data generator, and an entrance dose distribution data generator. The detector detects the intensity of the X-rays output from the X-ray source. The X-ray intensity distribution data generator generates X-ray intensity distribution data showing the X-ray intensity for each of a plurality of subdomains of an X-ray irradiation field from the X-ray source based on the detection outcome by the detector. The entrance dose distribution data generator generates entrance dose distribution data showing the dose of X-rays output from the X-ray source and irradiated onto the subject, based on the X-ray intensity distribution data.Type: GrantFiled: October 2, 2012Date of Patent: January 10, 2017Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Naotaka Sato, Shingo Abe, Katsuie Ikawa, Masahiro Ozawa, Yusuke Kanno, Jun Sakakibara, Satoshi Yamashita, Yuichiro Watanabe
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Publication number: 20170005399Abstract: An antenna device includes a power supply coil to which a near field communication circuit is connected, a near field communication coil that is coupled to an antenna coil of a communication target and the power supply coil via a magnetic field and that resonates at the frequency of a near field communication signal, and a non-contact charging coil that is connected to a non-contact charging control circuit and that is coupled to a target coil for non-contact charging. The power supply coil and the non-contact charging coil are provided on the same plane or on planes that are close to each other. The non-contact charging coil is superposed with the near field communication coil when viewed in plan view, and the shortest distance between the power supply coil and the NFC coil is smaller than the shortest distance between the power supply coil and the non-contact charging coil.Type: ApplicationFiled: September 19, 2016Publication date: January 5, 2017Inventors: Hiromitsu ITO, Masahiro OZAWA
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Publication number: 20160380338Abstract: An antenna device includes a casing including a metal casing portion and a feed coil. The metal casing portion includes a main surface, a side surface connected to the main surfaces, and a notch portion located in the side surface. The feed coil is disposed inside the casing to be coupled with the metal casing portion by a magnetic field, and includes a winding central portion forming a coil opening portion. The feed coil is disposed near the notch portion, with the coil opening portion directed to a region including the notch portion.Type: ApplicationFiled: September 7, 2016Publication date: December 29, 2016Inventors: Shinichi NAKANO, Masahiro OZAWA, Nobuhito TSUBAKI
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Publication number: 20160370786Abstract: A trajectory measuring device that measures a moving trajectory of a moving target in a machine including three or more movable axes for the moving target, the trajectory measuring device including a trajectory calculating unit that calculates, for each plane having two movable axes among the movable axes as coordinate axes, the moving trajectory on the plane by using command conditions to the moving target including an inter-axis phase difference among the movable axes, command signals to the movable axes generated on the basis of the inter-axis phase difference, and feedback signals indicating positions of the movable axes at time when the movable axes are feedback-controlled such that the positions of the movable axes follow the command signals.Type: ApplicationFiled: December 5, 2013Publication date: December 22, 2016Applicant: Mitsubishi Electric CorporationInventors: Kotaro NAGAOKA, Tomoya FUJITA, Masahiro OZAWA
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Patent number: 9523979Abstract: A numerical control device inputs a machining program to control an operation of a machine tool and outputs feedback data obtained as a result of the operation of the machine tool. The numerical control device includes a machining-program analysis unit that analyzes the machining program having a machining shape command to which a mark or a specific program command is attached and that outputs a marking instruction; a delay unit that delays the marking instruction until the feedback data indicating a result of an operation of the machine tool based on the machining shape command is obtained; and a feedback-data output unit that, when having detected the feedback data and the delayed marking instruction, executes, onto the feedback data, marking corresponding to the mark or the specific program command attached to the machining shape command and outputs the feedback data.Type: GrantFiled: May 9, 2012Date of Patent: December 20, 2016Assignee: Mitsubishi Electric CorporationInventors: Yuki Hashizume, Masahiro Ozawa, Junichi Kamata
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Patent number: 9511629Abstract: A bearing device includes a recess-projection fitting structure in which a hub wheel and a shaft section, which is fitted in a hole of the hub wheel of the outer joint member of the constant velocity universal joint, are unitized together. In the recess-projection fitting structure, entire fitting regions among projections on the outer surface of the shaft section of the outer joint member and recesses, which fit on the projections, are brought into intimate contact with each other.Type: GrantFiled: May 5, 2014Date of Patent: December 6, 2016Assignee: NTN CORPORATIONInventors: Akira Torii, Hiroshi Kawamura, Kiyoshige Yamauchi, Masahiro Ozawa, Tohru Nakagawa, Yuichi Asano, Mitsuru Umekida, Hisaaki Kura, Shin Tomogami
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Patent number: 9505266Abstract: A recess-projection fitting structure includes projections extending in an axial direction on an outer diameter surface of a shaft section of an outer joint member or an inner diameter surface of a hole of a hub wheel, press-fitting the projections in another of the outer diameter surface and the inner diameter surface along the axial direction, and forming recesses brought into contact and fitted with the projections by press fitting in the other of the outer diameter surface and the inner diameter surface, the projections and the recesses being held in contact with each other through intermediation. An outer member is fitted in a hole of a knuckle of a vehicle. Annular grooves are formed respectively in an outer peripheral surface of the outer member and an inner peripheral surface of the hole of the knuckle, and a snap ring is engaged with both the annular grooves.Type: GrantFiled: August 30, 2013Date of Patent: November 29, 2016Assignee: NTN CORPORATIONInventors: Kiyoshige Yamauchi, Masahiro Ozawa, Mitsuru Umekida
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Patent number: 9472839Abstract: A high-frequency transmission line includes a laminate including dielectric layers, a first signal line provided on one of the dielectric layers, a second signal line crossing the first signal line when viewed in a plan view in a direction of lamination, the second signal line being positioned on the same dielectric layer as the first signal line except for a crossing portion that crosses with the first signal line, and an intermediate ground conductor provided between the first and second signal lines in the direction of lamination, so as to overlap with crossing portions of the first and second signal lines when viewed in a plan view in the direction of lamination.Type: GrantFiled: June 17, 2014Date of Patent: October 18, 2016Assignee: Murata Manufacturing Co., Ltd.Inventors: Noboru Kato, Masahiro Ozawa
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Patent number: 9466871Abstract: An antenna device includes a casing including a metal casing portion and a feed coil. The metal casing portion includes a main surface, a side surface connected to the main surfaces, and a notch portion located in the side surface. The feed coil is disposed inside the casing to be coupled with the metal casing portion by a magnetic field, and includes a winding central portion forming a coil opening portion. The feed coil is disposed near the notch portion, with the coil opening portion directed to a region including the notch portion.Type: GrantFiled: May 15, 2014Date of Patent: October 11, 2016Assignee: Murata Manufacturing Co., Ltd.Inventors: Shinichi Nakano, Masahiro Ozawa, Nobuhito Tsubaki
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Publication number: 20160285155Abstract: An antenna device that includes a planar conductor with a first side and a second side. The antenna device includes multiple coil antennas that each includes a coil conductor wound around a winding axis that extends in a direction of the planar conductor. Moreover, two or more of the coil antennas have respective coil openings positioned adjacent to the first side of the planar conductor.Type: ApplicationFiled: June 8, 2016Publication date: September 29, 2016Inventors: TEPPEI MIURA, Jun Sasaki, Hiroyuki Kubo, Katsumi Taniguchi, Noboru Kato, Masahiro Ozawa, Satoshi Ishino
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Publication number: 20160285154Abstract: An antenna device that includes a coil antenna with a coil conductor wound around a winding axis. The device further includes a planar conductor with a surface and an edge end portion, where the surface extends in the direction of the winding axis and the edge end portion is adjacent to a coil opening of the coil conductor. A booster antenna is also provided and includes a looped or spiral coil conductor and is coupled to the planar conductor and/or the coil antenna.Type: ApplicationFiled: June 8, 2016Publication date: September 29, 2016Inventors: Teppei Miura, Jun Sasaki, Hiroyuki Kubo, Katsumi Taniguchi, Noboru Kato, Masahiro Ozawa, Satoshi Ishino
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Patent number: 9400554Abstract: Provided are an information display system, a non-transitory computer-readable storage medium, and a display control method. The information display system includes a transmission type head-mounted display and a control section. The control section includes a gaze point detecting section configured to detect a point of gaze of a user, a first judgment section configured to judge whether the user gazes at a certain area on a virtual screen or on the background beyond the virtual screen, a second judgment section configured to judge whether a sight-line region around the intersection of the virtual screen and a sight line of the user overlaps with an object displayed on the virtual screen, and a display control section configured to, in response to a movement of the point of gaze, change at least one of a display position and a display mode of the object on the basis of judgment results.Type: GrantFiled: November 4, 2014Date of Patent: July 26, 2016Assignee: KONICA MINOLTA, INC.Inventors: Mitsuharu Hayasaka, Masahiro Ozawa, Takahisa Matsunaga, Hiroshi Nogawa, Yasufumi Aoyama, Kunikazu Satou, Tetsuren Nogawa
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Patent number: 9391369Abstract: An antenna device that includes coil antennas each having a coil conductor wound around a winding axis and a planar conductor including a surface and an edge end portion, the surface extending along the winding axis of the coil conductor, the edge end portion being adjacent to a coil opening of the coil conductor. A current flowing through the coil conductor induces a current in the planar conductor, this current produces a magnetic flux in a direction normal to the planar conductor, and thus the planar conductor acts as a booster antenna. The antenna device has directivity in the direction normal to the planar conductor because the magnetic flux produced by the coil antennas and that produced by the planar conductor are combined. This enables the antenna device to occupy a small area while achieving a predetermined communication distance.Type: GrantFiled: December 28, 2012Date of Patent: July 12, 2016Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Teppei Miura, Jun Sasaki, Hiroyuki Kubo, Katsumi Taniguchi, Noboru Kato, Masahiro Ozawa, Satoshi Ishino
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Publication number: 20160136995Abstract: A bearing device for a wheel has a stem shaft of an outer joint member of a constant-velocity universal joint fit and inserted in a hole of a hub wheel, the stem shaft and hub wheel being coupled through an intermediation of a recess-projection fitting structure. Projections extending in an axial direction are provided on one of the stem shaft and an inner diameter surface of the hole of the hub wheel. The projections are press-fit into another of the stem shaft and the inner diameter surface of the hole along the axial direction. Recesses that adhere to and fit the projections are formed in the other. An end on an inboard side of the hub wheel is caulked to an outer diameter side to form a caulking section and preload is applied to a roller bearing by the caulking section.Type: ApplicationFiled: January 6, 2016Publication date: May 19, 2016Applicant: NTN CORPORATIONInventors: Tohru NAKAGAWA, Yuichi ASANO, Masahiro OZAWA
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Publication number: 20160134277Abstract: A drive circuit for a power semiconductor element includes: a voltage-command generation unit that generates a voltage command VGEref, which is a charge command between the gate and emitter terminals of a power semiconductor element; and a subtracter that calculates a deviation voltage Verr between the voltage command VGEref and the voltage between the gate and emitter terminals. The drive circuit also includes: a gate current controller that is input with the deviation voltage Verr and calculates a gate-current command voltage VIGref for determining the gate current that is caused to flow to the gate terminal of the power semiconductor element; a gate-current command limiter that limits the gate-current command voltage VIGref; and a gate-current supply device that is input with an actual gate-current command voltage VIGout and that supplies a gate current to the gate terminal of the power semiconductor element.Type: ApplicationFiled: June 24, 2013Publication date: May 12, 2016Applicant: Mitsubishi Electric CorporationInventors: Yoshitomo HAYASHI, Masahiro OZAWA, Toshiki TANAKA
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Publication number: 20160123796Abstract: A frequency-response measurement device according to an embodiment of the present invention measures a frequency response of a servo system that executes feedback control of a mechanical system. The frequency-response measurement device includes an excitation-condition setting unit that sets a plurality of different excitation conditions, an excitation execution unit that executes the multiple excitations with respect to the servo system by using excitation signals with the different excitation conditions, and a frequency-response calculation unit that acquires a pair of identification input signal and identification output signal for each of the multiple excitations, from a control system of the servo system on which the multiple excitations are performed, and calculates the frequency response based on the excitation conditions for each of the multiple excitations and the pair of identification input signal and identification output signal.Type: ApplicationFiled: June 3, 2013Publication date: May 5, 2016Applicant: Mitsubishi Electric CorporationInventors: Kotaro NAGAOKA, Tomoya FUJITA, Masahiro OZAWA
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Patent number: 9332644Abstract: A high-frequency transmission line includes a laminate including dielectric layers, a first signal line provided in the laminate, a second signal line provided in the laminate and positioned on a first side in a direction of lamination relative to the first signal line, so as to cross the first signal line when viewed in a plan view in the direction of lamination, a first ground conductor positioned on a second side in the direction of lamination relative to the first signal line, a second ground conductor positioned on the first side in the direction of lamination relative to the second signal line, and an intermediate ground conductor provided between the first and second signal lines in the direction of lamination, so as to overlap with crossing portions of the first and second lines when viewed in a plan view in the direction of lamination.Type: GrantFiled: June 16, 2014Date of Patent: May 3, 2016Assignee: Murato Manufacturing Co., Ltd.Inventors: Noboru Kato, Masahiro Ozawa
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Patent number: 9321309Abstract: A bearing device for a wheel prevents backlash in a circumferential direction and has excellent workability for connecting a hub wheel and an outer joint member of a constant velocity universal joint. The bearing device includes a recess-projection fitting structure in which the hub wheel and a shaft section, which is fitted in a hole of the hub wheel of the outer joint member of the constant velocity universal joint, are unitized together. In the recess-projection fitting structure, entire fitting regions among projections on the outer surface of the shaft section of the outer joint member and recesses, which fit on the projections, are brought into intimate contact with each other.Type: GrantFiled: March 23, 2015Date of Patent: April 26, 2016Assignee: NTN CORPORATIONInventors: Akira Torii, Hiroshi Kawamura, Kiyoshige Yamauchi, Masahiro Ozawa, Tohru Nakagawa, Yuichi Asano, Mitsuru Umekida, Hisaaki Kura, Shin Tomogami
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Patent number: 9312590Abstract: A high-frequency signal transmission line includes a dielectric body including a stack of a plurality of dielectric layers, a linear signal line located in the dielectric body, a first ground conductor located at a first side of the signal line in a stacking direction and including a plurality of first openings arranged along the signal line, and a plurality of floating conductors located at the first side of the signal line in the stacking direction to overlap with the first openings, when viewed from the stacking direction, each of the floating conductors being not connected to any other conductors.Type: GrantFiled: February 28, 2014Date of Patent: April 12, 2016Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Noboru Kato, Masahiro Ozawa
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Patent number: 9308777Abstract: A bearing device for a wheel is capable of suppressing radial play and allowing firm and easy connection between a hub and an outer ring of a constant velocity universal joint. Axially extending projections are provided on a shaft portion of a joint outer ring, and the shaft portion is press-fitted into a hole of a hub. Through this press-fitting, recesses held in close fit-engagement with the projections are formed by the projections in an inner diameter surface of the hub, forming a recess/projection fit-engagement structure in which the projections and the recesses are held in close contact with each other over an entire fit-engagement region thereof. A press-fitting margin (?d) of the projections with respect to the hub and a height (h) of the projections are set to the following range: 0.3<?d/2 h<0.86.Type: GrantFiled: June 27, 2014Date of Patent: April 12, 2016Assignee: NTN CORPORATIONInventors: Tohru Nakagawa, Yuichi Asano, Masahiro Ozawa, Masayuki Kuroda