Patents by Inventor Kazuya Watanabe
Kazuya Watanabe 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: 10921388Abstract: A magnetic sensor includes first, second, and third detection units for detecting components in X, Y, and Z directions of an external magnetic field. The third detection unit includes a soft magnetic structure. The first detection unit includes a first portion and a second portion. The second detection unit includes a third portion and a fourth portion. The first portion and the fourth portion are located on opposite sides of the third detection unit in the X direction. The second portion and the third portion are located on opposite sides of the third detection unit in the Y direction.Type: GrantFiled: January 28, 2019Date of Patent: February 16, 2021Assignee: TDK CORPORATIONInventors: Kazuya Watanabe, Hiraku Hirabayashi
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Publication number: 20210041510Abstract: A magnetic sensor device includes a first magnetic sensor, a second magnetic sensor, and a soft magnetic structure. The first magnetic sensor generates a detection value corresponding to a component in a direction parallel to an X direction of an external magnetic field. The second magnetic sensor generates a detection value corresponding to a component in a direction parallel to a Y direction of the external magnetic field. In the presence of a residual magnetization in the X direction in the soft magnetic structure, a magnetic field that is based on the residual magnetization and contains a component in the ?X direction is applied to the first magnetic sensor. In the presence of a residual magnetization in the Y direction in the soft magnetic structure, a magnetic field that is based on the residual magnetization and contains a component in the ?Y direction is applied to the second magnetic sensor.Type: ApplicationFiled: October 28, 2020Publication date: February 11, 2021Applicant: TDK CORPORATIONInventors: Kazuya WATANABE, Hiraku HIRABAYASHI
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Patent number: 10909750Abstract: A periphery monitoring device includes: an image acquisition unit acquiring an image obtained from an imaging unit imaging a situation surrounding a towing vehicle to which a towed vehicle is connectable; a projection plane acquisition unit acquiring a three-dimensional virtual projection plane onto which the image can be projected and which is provided with a side plane rising in a height direction from a grounding surface of the towing vehicle; a projection processing unit projecting the image onto the virtual projection plane; a viewpoint setting unit setting a viewpoint position and a gazing point position with respect to the virtual projection plane; an image display unit causing a display device to display an image obtained by viewing the gazing point position from the viewpoint position with respect to the virtual projection plane; and a determination unit determining whether or not the towed vehicle is connected to the towing vehicle.Type: GrantFiled: November 19, 2018Date of Patent: February 2, 2021Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Itsuko Fukushima, Kazuya Watanabe, Kinji Yamamoto, Tetsuya Maruoka, Takayuki Nakasho
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Publication number: 20210023994Abstract: A periphery monitoring device includes: an acquisition unit configured to acquire a captured image from an imaging unit that captures an image of a periphery of a vehicle and positional information regarding an attention area set around the vehicle; and a controller configured to superimpose and display an own vehicle image showing a position of the vehicle and an indicator indicating a position of the attention area based on the positional information on a peripheral image as a bird's-eye view image based on the captured image, and to perform display such that a display mode of the indicator changes over time.Type: ApplicationFiled: July 23, 2020Publication date: January 28, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: Kazuya WATANABE
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Publication number: 20210016712Abstract: A vehicle periphery display device includes: an acquisition portion acquiring a captured image obtained by imaging a periphery of a vehicle with an imaging portion; and a display processing portion causing a display image that is a stereoscopic image of the vehicle and the periphery of the vehicle to be displayed on a display portion on the basis of the captured image. The display processing portion causes at least one of a contour guide line representing a contour of the vehicle, and a predicted course guide line that is a trajectory drawn by the contour guide line according to movement of the vehicle to be included in the display image, and changes a position of at least one of the contour guide and predicted course guide lines such that the contour guide and predicted course guide lines are present above a road surface when the vehicle is turned.Type: ApplicationFiled: July 15, 2020Publication date: January 21, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Kinji Yamamoto, Kazuya Watanabe
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Publication number: 20210016711Abstract: A vehicle periphery display device includes: an acquisition portion acquiring a captured image obtained by imaging a periphery of a vehicle with an imaging portion; and a display processing portion causing a display image including a vehicle image and a periphery image of the vehicle to be displayed on a display portion on the basis of the captured image. The display processing portion causes at least one of a contour guide line representing a contour of the vehicle image and having a first margin in a vehicle width direction of the vehicle image and a second margin in an advancing direction of the vehicle image, and a predicted course guide line that is a trajectory drawn by the contour guide line according to movement of the vehicle to be displayed in the display image, and changes at least one of the first and second margins when the vehicle is turned.Type: ApplicationFiled: July 15, 2020Publication date: January 21, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Kinji YAMAMOTO, Kazuya WATANABE
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Patent number: 10878253Abstract: A periphery monitoring device includes a gradient acquisition unit that acquires a gradient position a gradient value on a road surface and, based on state information indicating a state of the road surface in a traveling direction of a vehicle. The periphery monitoring device also includes a notification control unit that compares the acquired gradient value with a reference gradient value at which the vehicle can pass, and notifies of the comparison result in association with the gradient position.Type: GrantFiled: March 14, 2017Date of Patent: December 29, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Kazuya Watanabe, Yoji Inui
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Patent number: 10877109Abstract: A magnetic field detection device includes a first soft magnetic body, a second soft magnetic body, and a magnetism detection element. The first soft magnetic body extends to have a first length in a first direction, and has a first width, smaller than the first length, in a second direction. The second direction is substantially orthogonal to the first direction. The second soft magnetic body is disposed to be spaced apart from and face the first soft magnetic body in the first direction, extends to have a second length in the first direction, and has a second width, smaller than the second length, in the second direction. The magnetism detection element is disposed, in the first direction, between the first and second soft magnetic bodies, and extends to have a third length in the first direction and a third width, larger than the third length, in the second direction.Type: GrantFiled: June 2, 2020Date of Patent: December 29, 2020Assignee: TDK CORPORATIONInventors: Masaki Nagata, Kazuya Watanabe, Keisuke Uchida, Kohei Honma, Hiraku Hirabayashi
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Patent number: 10875577Abstract: A traction assist apparatus includes a memory and a hardware processor coupled to the memory. The hardware processor is configured to acquire a coupling angle between a towing vehicle and a towed vehicle towed by the towing vehicle and acquire a current steered angle of the towing vehicle. The hardware processor is configured to, when the towing vehicle is moved backward at the current steered angle, determine whether the towed vehicle is movable backward in a balance state where the coupling angle is maintained, and monitor whether steering of the towing vehicle is continued in the balance state. The hardware processor is configured to provide notification of presence or absence of the balance state and provide notification of whether the monitoring is continued.Type: GrantFiled: February 27, 2018Date of Patent: December 29, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Kinji Yamamoto, Kazuya Watanabe, Tetsuya Maruoka, Itsuko Fukushima, Takayuki Nakasho
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Patent number: 10871381Abstract: An angle sensor includes a plurality of composite magnetic field information generation units and an angle computing unit. The plurality of composite magnetic field information generation units detect, at a plurality of detection positions, a composite magnetic field of a magnetic field to be detected and a noise magnetic field other than the magnetic field to be detected, and thereby generate a plurality of pieces of composite magnetic field information including information on at least the direction, out of the direction and the strength, of the composite magnetic field. At each of the plurality of detection positions, the magnetic field to be detected varies in direction according to an angle to be detected. The angle computing unit generates a detected angle value using the method of least squares on the basis of the plurality of pieces of composite magnetic field information.Type: GrantFiled: November 7, 2017Date of Patent: December 22, 2020Assignee: TDK CORPORATIONInventors: Kenkichi Anagawa, Shinichirou Mochizuki, Hiraku Hirabayashi, Kazuya Watanabe
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Patent number: 10865319Abstract: A method for producing an acrylic resin-coated silica particle dispersion by (1), mixing and heating silica particles (A), an organic solvent (B) and a monomer having a polymerizable unsaturated group and a hydrolyzable silyl group (C) to obtain a polymerizable unsaturated group-containing silica particle dispersion (i), (2) adding a tertiary amine (D) with a molecular weight of 120 to 380 and having a terminal alkyl and/or aryl group, to the component (i) dispersion, to obtain a polymerizable unsaturated group-containing silica particle dispersion (ii), and (3) reacting the component (ii) dispersion with a polymerizable unsaturated monomer (E), in a solid mass ratio of (ii):(E)=20:80 to 90:10, to obtain an acrylic resin-coated silica particle dispersion.Type: GrantFiled: September 8, 2016Date of Patent: December 15, 2020Assignee: KANSAI PAINT CO., LTD.Inventors: Kazuya Watanabe, Akinori Nagai
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Publication number: 20200386829Abstract: Provided is a magnetic field detection device that includes a first and second soft magnetic bodies, and a magnetic detector. The first and second soft magnetic bodies extend along a first plane and are disposed in confronted relation in a third direction. The first plane includes both a first direction and a second direction orthogonal to the first direction. The third direction is orthogonal to both the first and second directions. The magnetic detector is provided between the first and second soft magnetic bodies in the third direction.Type: ApplicationFiled: August 21, 2020Publication date: December 10, 2020Applicant: TDK CORPORATIONInventors: Masaki NAGATA, Kazuya WATANABE, Keisuke UCHIDA, Kohei HONMA, Hiraku HIRABAYASHI
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Patent number: 10857944Abstract: A periphery monitoring apparatus includes: a detector configured to detect a roughness state of a road surface in a traveling direction of a vehicle; an acquisition unit configured to acquire a guide marker to be superimposed onto an image based on captured image data output from an imager that captures an image of a peripheral region including the traveling direction of the vehicle, the guide marker being displayed in a manner that follows a roughness state of the road surface in the traveling direction of the vehicle; and a controller configured to superimpose the guide marker onto the image in the display manner that follows the roughness state and display the image on a display device.Type: GrantFiled: May 16, 2017Date of Patent: December 8, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Takayuki Nakasho, Kazuya Watanabe, Tetsuya Maruoka, Kinji Yamamoto, Takashi Hiramaki, Takuya Hashikawa, Naotaka Kubota, Osamu Kimura, Itsuko Ohashi, Yasumasa Yamamoto
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Patent number: 10852368Abstract: A magnetic sensor device includes a first magnetic sensor, a second magnetic sensor, and a soft magnetic structure. The first magnetic sensor generates a detection value corresponding to a component in a direction parallel to an X direction of an external magnetic field. The second magnetic sensor generates a detection value corresponding to a component in a direction parallel to a Y direction of the external magnetic field. In the presence of a residual magnetization in the X direction in the soft magnetic structure, a magnetic field that is based on the residual magnetization and contains a component in the ?X direction is applied to the first magnetic sensor. In the presence of a residual magnetization in the Y direction in the soft magnetic structure, a magnetic field that is based on the residual magnetization and contains a component in the ?Y direction is applied to the second magnetic sensor.Type: GrantFiled: September 28, 2018Date of Patent: December 1, 2020Assignee: TDK CORPORATIONInventors: Kazuya Watanabe, Hiraku Hirabayashi
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Patent number: 10855954Abstract: A periphery monitoring device according to an embodiment includes storage that stores therein image data generated by an imager mounted on a vehicle; a switching controller that switches between a first display mode in which current image data currently generated by the imager is displayed and a second display mode in which past image data previously generated by the imager is displayed, for display of the image data stored in the storage; and an output that outputs information to a display device at the time of switching between the first display mode for displaying the current image data being currently generated by the imager and the second display mode for displaying the past image data previously generated by the imager. The information represents a transition of the image data between when the past image data is generated and when the current image data is generated.Type: GrantFiled: March 14, 2017Date of Patent: December 1, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventor: Kazuya Watanabe
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Patent number: 10848724Abstract: A correction unit of a display control device according to an embodiment corrects a projection position of the display target image to a second direction, which is from a first coordinate corresponding to a position where the virtual projection plane intersects with a first virtual straight line extending in a first direction corresponding to a vehicle length direction of the vehicle from the front image capture unit or the rear image capture unit that captures the display target image to a second coordinate corresponding to a position where the virtual projection plane intersects with a virtual reference line extending in the first direction that is apart from the first virtual straight line in a vehicle width direction of the vehicle to project the display target image on a corrected projection position and to generate a three-dimensional image.Type: GrantFiled: February 27, 2018Date of Patent: November 24, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventor: Kazuya Watanabe
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Patent number: 10836429Abstract: An angle sensor includes a detection signal generation unit for generating detection signals, an angle detection unit for generating a detected angle value on the basis of the detection signals, and a condition determination apparatus. The condition determination apparatus includes a determination value generation unit for generating a determination value to be used for determining the condition of the angle sensor, and a determination unit for determining the condition of the angle sensor. The angle detection unit includes a common correction processing unit for performing common correction processing for converting uncorrected signals, which have correspondence with the detection signals, into common corrected signals to be used for the generation of the detected angle value and the generation of the determination value. The common correction processing reduces an angular error occurring in the detected angle value, and narrows the variation range of the determination value.Type: GrantFiled: July 14, 2017Date of Patent: November 17, 2020Assignee: TDK CORPORATIONInventors: Kazuya Watanabe, Hiraku Hirabayashi
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Publication number: 20200346690Abstract: A parking assistance device includes an overhead image generation unit generating an overhead image from a captured image obtained by capturing an image around a towing vehicle, a towing determination unit determining whether a towed vehicle is towed, an overhead image display range setting unit selecting a trimming range from a plurality of display ranges at least including a first display range and a second display range wider than the first display range, and a display image generation unit generating an overhead image for display by trimming the trimming range of the overhead image, and a display image including the overhead image for display on which the towing vehicle is superimposed. The overhead image display range setting unit selects the first display range when the towing vehicle does not tow the towed vehicle, and selects the second display range when the towing vehicle tows the towed vehicle.Type: ApplicationFiled: October 5, 2018Publication date: November 5, 2020Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Tetsuya MARUOKA, Kazuya WATANABE, Kinji YAMAMOTO, Itsuko FUKUSHIMA, Takayuki NAKASHO
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Patent number: 10821900Abstract: An image processing device includes: an acquisition unit that acquires a first image based on captured image data output from an image capturing unit that captures a surrounding situation of a vehicle; an intermediate image generating unit that generates a second image by executing an intermediate image generating process of executing a viewpoint converting process of converting the first image from a viewpoint of the first image into a viewpoint of a final image displayed on a display area of a display device and changing a number of pixels of the converted image to a second number of pixels larger than a final number of pixels of the final image; and a final image generating unit that executes a reduction process such that the second number of pixels is set to the final number of pixels.Type: GrantFiled: January 25, 2019Date of Patent: November 3, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventor: Kazuya Watanabe
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Patent number: 10807529Abstract: An image processing apparatus for a vehicle includes an additional-image generation portion generating an additional image to be added to a captured image, an output image generation portion generating an output image including the captured image and the additional image. The additional image includes a first marking image indicating a first line being away from an end portion of a vehicle in a vehicle width direction by a vehicle width of the vehicle or longer, the first line being along a vehicle front and rear direction.Type: GrantFiled: September 14, 2016Date of Patent: October 20, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventor: Kazuya Watanabe