Patents by Inventor Yoichi Kato

Yoichi Kato 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).

  • Publication number: 20220319774
    Abstract: A ceramic electronic device includes a multilayer structure in which each of a plurality of internal electrode layers and each of three or more of dielectric layers of which a main component is ceramic are alternately stacked. The three or more of dielectric layers include Sn. A dielectric layer having a smaller Sn concentration is closer to an outermost end in a stacking direction than a dielectric layer having a larger Sn concentration and being located on a center side of the stacking direction, in a relationship of at least two of the three or more of dielectric layers.
    Type: Application
    Filed: March 14, 2022
    Publication date: October 6, 2022
    Inventor: Yoichi KATO
  • Publication number: 20220319775
    Abstract: A ceramic electronic component includes a multilayer structure having a substantially rectangular parallelepiped shape and including dielectric layers and internal electrode layers that are alternately stacked, the dielectric layers being mainly composed of ceramic, the internal electrode layers being formed so as to be alternately exposed to two edge faces opposite to each other of the multilayer structure, and cover layers respectively disposed on top and bottom faces of the multilayer structure in a stack direction, the cover layers being mainly composed of ceramic, wherein at least one of a Sn concentration with respect to a main component ceramic in the cover layer or a Sn concentration with respect to a main component ceramic in a side margin section is higher than a Sn concentration with respect to a main component ceramic in a capacity section.
    Type: Application
    Filed: March 10, 2022
    Publication date: October 6, 2022
    Inventor: Yoichi KATO
  • Publication number: 20220283620
    Abstract: A power control apparatus for an in-vehicle camera includes a temperature sensor which measures the temperature in a camera unit; a temperature data acquisition section which acquires periodically measured temperature data; a predicted temperature calculation section which calculates a temperature gradient from the acquired temperature data group and, based on the temperature gradient, calculates a future predicted camera unit temperature; a power supply section which supplies power to an image processing section; a temperature determination section which determines whether predicted temperature is within an operation guarantee temperature of camera unit component parts; and a power supply control section which, based on a determination result, issues a control command to start or stop power supply to the component parts from the power supply section, the power supply being started or stopped with appropriate timing using the predicted temperature, thereby enabling expeditious protection of the component part
    Type: Application
    Filed: September 2, 2019
    Publication date: September 8, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoichi KATO, Tetsuya OBA, Takuya TANIGUCHI, Takuto YANO
  • Patent number: 11437194
    Abstract: A multi-layer ceramic electronic component includes a multi-layer unit and a side margin. The multi-layer unit includes ceramic layers laminated in a first direction, and internal electrodes disposed between the ceramic layers, positions of end portions of the internal electrodes in a second direction orthogonal to the first direction being aligned with one another within a range of 0.5 ?m in the second direction. The side margin includes a center portion in the first direction and a third direction orthogonal to the first direction and the second direction, and corner portions in the first direction and the third direction, the corner portions having a lower porosity than a porosity of the center portion, the side margin covering the multi-layer unit from the second direction.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: September 6, 2022
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Yoichi Kato
  • Publication number: 20220277899
    Abstract: A multi-layer ceramic electronic component, including: a capacitance forming unit that includes internal electrodes and ceramic layers, the internal electrodes being laminated in a first direction via the ceramic layers; and a circumferential unit that is provided on a circumference of the capacitance forming unit and formed of insulating ceramics. The circumferential unit includes a cover that is provided to the capacitance forming unit outward in the first direction, a side margin that is provided to the capacitance forming unit outward in a second direction orthogonal to the first direction, and a grain growth region that is formed at a boundary between the cover and the side margin and includes crystal grains of the insulating ceramics, the crystal grains having a mean grain size larger than a mean grain size of the crystal grains at a center portion of the cover.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Inventor: Yoichi KATO
  • Patent number: 11361903
    Abstract: A multi-layer ceramic electronic component, including: a capacitance forming unit that includes internal electrodes and ceramic layers, the internal electrodes being laminated in a first direction via the ceramic layers; and a circumferential unit that is provided on a circumference of the capacitance forming unit and formed of insulating ceramics. The circumferential unit includes a cover that is provided to the capacitance forming unit outward in the first direction, a side margin that is provided to the capacitance forming unit outward in a second direction orthogonal to the first direction, and a grain growth region that is formed at a boundary between the cover and the side margin and includes crystal grains of the insulating ceramics, the crystal grains having a mean grain size larger than a mean grain size of the crystal grains at a center portion of the cover.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: June 14, 2022
    Assignee: Taiyo Yuden Co., Ltd.
    Inventor: Yoichi Kato
  • Publication number: 20220139630
    Abstract: A ceramic electronic device includes a multilayer chip in which a plurality of dielectric layers of which a main component is ceramic and a plurality of internal electrode layers are stacked. The plurality of internal electrode layers include Ni, Sn and Au.
    Type: Application
    Filed: July 9, 2021
    Publication date: May 5, 2022
    Inventors: Kazuki YAMADA, Kotaro MIZUNO, Yoichi KATO, Hidetoshi MASUDA
  • Publication number: 20220130616
    Abstract: A multi-layer ceramic capacitor includes a first region, a second region, a multi-layer unit, and a side margin. In the first region, crystal grains including intragranular pores are dispersed. In the second region, crystal grains including intragranular pores are not dispersed. The multi-layer unit includes ceramic layers that are laminated in a first direction and include the second region, and internal electrodes disposed between the ceramic layers. The side margin covers the multi-layer unit from a second direction orthogonal to the first direction and includes a region, the region being adjacent to the multi-layer unit and including the first region.
    Type: Application
    Filed: January 10, 2022
    Publication date: April 28, 2022
    Inventor: Yoichi KATO
  • Publication number: 20220084752
    Abstract: A ceramic electronic device includes a multilayer structure having a parallelepiped shape in which a plurality of dielectric layers and a plurality of internal electrode layers are alternately stacked in a vertical direction, the plurality of internal electrode layers being alternately exposed to two end faces of the parallelepiped shape. A side margin section is a section covering edges of the plurality of internal electrode layers in an extension direction toward two side faces of the parallelepiped shape. The side margin section has a structure in which a plurality of dielectric layers, each containing a ceramic as a main component, and a plurality of conductive layers, each containing a metal as a main component, are alternately stacked in the vertical direction. The plurality of conductive layers are respectively spaced and separated from the plurality of internal electrode layers.
    Type: Application
    Filed: June 30, 2021
    Publication date: March 17, 2022
    Applicant: TAIYO YUDEN CO., LTD.
    Inventor: Yoichi KATO
  • Patent number: 11257624
    Abstract: A multi-layer ceramic capacitor includes a first region, a second region, a multi-layer unit, and a side margin. In the first region, crystal grains including intragranular pores are dispersed. In the second region, crystal grains including intragranular pores are not dispersed. The multi-layer unit includes ceramic layers that are laminated in a first direction and include the second region, and internal electrodes disposed between the ceramic layers. The side margin covers the multi-layer unit from a second direction orthogonal to the first direction and includes a region, the region being adjacent to the multi-layer unit and including the first region.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: February 22, 2022
    Assignee: Taiyo Yuden Co., Ltd.
    Inventor: Yoichi Kato
  • Publication number: 20220028618
    Abstract: A ceramic electronic device includes a multilayer structure having a parallelepiped shape in which a first dielectric layer of which a main component is ceramic, a first internal electrode layer, a second dielectric layer of which a main component is ceramic, and a second internal electrode layer are stacked in this order, the first internal electrode layer being exposed to a first end face of the parallelepiped shape, the second internal electrode layer being exposed to a second end face of the parallelepiped shape, wherein in the multilayer structure, a conductive layer is provided on a side of the first end face, at a same level in a stacking direction as the second internal electrode, the conductive layer being spaced from the second internal electrode layer. A length of a gap between the second internal electrode layer and the conductive layer is 30 ?m or less.
    Type: Application
    Filed: June 22, 2021
    Publication date: January 27, 2022
    Applicant: TAIYO YUDEN CO., LTD.
    Inventor: Yoichi KATO
  • Patent number: 11158157
    Abstract: In one aspect, an improved roulette gaming system is disclosed herein, which provides visual effects for a roulette wheel, a roulette ball, or both.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: October 26, 2021
    Assignee: ARUZE GAMING AMERICA, INC.
    Inventors: Yoichi Kato, Katsuhiro Kido
  • Publication number: 20210295481
    Abstract: In a video image recording device, when a scene outside of a vehicle is recorded through a wind shield, a scene on the inside of a vehicle room is reflected by the wind shield and reflection glare is produced. In order to reduce the influence of this reflection glare, the video image recording device is provided with a video image capture device which obtains a first data on a general video image and a second data on a predetermined part in a vehicle room, wherein the general video image is with a reflection video image, of the predetermined part and also with a transmission video image, a graphical image conversion device which converts the second data into a third data, the third data corresponding to a reflection video image by the wind shield, and a graphical image correction device which corrects the first data based on the third data.
    Type: Application
    Filed: August 31, 2018
    Publication date: September 23, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoichi KATO, Nariaki TAKEHARA, Takuya TANIGUCHI, Kunio UEDA
  • Publication number: 20210272755
    Abstract: A ceramic electronic component includes a multilayer structure including dielectric layers and internal electrode layers, the internal electrode layers being alternately exposed to two edge faces of the multilayer chip opposite to each other. A rare earth element of a side margin has an ionic radius smaller than that of a rare earth element of a capacity section. The rare earth element of the side margin is a rare earth element when only the rare earth element is added to the side margin, or a rare earth element with a largest amount when rare earth elements are added to the side margin. The rare earth element of the capacity section is a rare earth element when only the rare earth element is added to the capacity section, or a rare earth element with a largest amount when rare earth elements are added to the capacity section.
    Type: Application
    Filed: February 4, 2021
    Publication date: September 2, 2021
    Inventor: Yoichi KATO
  • Publication number: 20210233711
    Abstract: A multilayer ceramic capacitor includes an element body of roughly rectangular solid shape which is constituted by dielectric layers alternately stacked with internal electrode layers having different polarities, with a pair of cover layers formed on it to cover the top and bottom faces in the direction of lamination of the foregoing, and which has a pair of principal faces, a pair of end faces, and a pair of side faces, wherein external electrodes are formed on the pair of end faces and at least one of the pair of principal faces of the element body, and Tt representing the thickness of the external electrode and Tc representing the thickness of the cover layer satisfy the relationship of 1/30?Tt/Tc?4/5, and the thickness of the cover layers, or Tc, is 10 ?m or more but 30 ?m or less.
    Type: Application
    Filed: April 9, 2021
    Publication date: July 29, 2021
    Inventors: Shohei KITAMURA, Yukihiro KONISHI, Kotaro MIZUNO, Yoichi KATO, Yusuke KOWASE, Toru MAKINO, Yoshinori TANAKA
  • Patent number: 11031180
    Abstract: A multi-layer ceramic electronic component includes a multi-layer unit and a side margin. The multi-layer unit includes ceramic layers laminated in a first direction, internal electrodes disposed between the ceramic layers, a main surface that faces in the first direction, and a side surface that faces in a second direction orthogonal to the first direction, the internal electrodes being exposed from the side surface. The side margin includes a side-surface-covering portion that is disposed on the side surface, and an end portion that extends from the side-surface-covering portion to an upper side of the main surface, the end portion having a lower porosity than a porosity of the side-surface-covering portion, the end portion being rounded.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: June 8, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Yoichi Kato
  • Publication number: 20210159018
    Abstract: A multi-layer ceramic electronic component includes: a multi-layer unit including ceramic layers laminated in a direction of a first axis, internal electrodes disposed between the ceramic layers, and first and second side surfaces on which end portions of the internal electrodes in a direction of a second axis orthogonal to the first axis are positioned; and first and second side margins that cover the first and second side surfaces, respectively. When the first and second side margins are each divided equally into first and second regions along a plane perpendicular to the direction of the first axis, the first side margin has a larger average thickness in the first region than in the second region, and the second side margin has a larger average thickness in the second region than in the first region.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 27, 2021
    Applicant: Taiyo Yuden Co., Ltd.
    Inventor: Yoichi KATO
  • Patent number: 11017949
    Abstract: A multi-layer ceramic capacitor according to an embodiment of the present invention includes a multi-layer, side margins and offset sections. The multi-layer includes internal electrodes and dielectric layers alternately laminated. The side margins are configured of a dielectric and disposed to cover side faces of the multi-layer. The offset sections are made with amorphous areas or gap areas. The offset sections are formed between the internal electrodes and the side margins such that ends at side faces of the internal electrodes are offset from the side faces to an inward direction of the multi-layer.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: May 25, 2021
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Yoichi Kato, Kotaro Mizuno, Yukihiro Konishi, Yasunari Kato, Yosuke Sato, Hidenori Wakayanagi, Joji Kobayashi, Toshimitsu Kogure
  • Patent number: 11004607
    Abstract: A method for manufacturing a multilayer ceramic capacitor includes: producing a plurality of dielectric green sheets; producing therefrom a plurality of internal electrode-printed green sheets; producing therefrom a plurality of individually cut unsintered laminates by stacking some of the plurality of dielectric green sheets, as cover layers, and the plurality of internal electrode-printed green sheets together; producing therefrom element body precursors by applying a ceramic paste to side faces of the unsintered laminates for forming side margins thereon, wherein an application thickness of the ceramic paste is adjusted in a manner such that a thickness of the side margins is greater than a thickness of the cover layers in the final product; producing therefrom element bodies by sintering; and forming external electrodes on at least one of principal faces and on both end faces of the element bodies.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: May 11, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Shohei Kitamura, Yukihiro Konishi, Kotaro Mizuno, Yoichi Kato, Yusuke Kowase, Toru Makino, Yoshinori Tanaka
  • Patent number: 10991105
    Abstract: An image processing device includes a storage unit, an initial setting unit configured to store a position of an optical axis neighborhood point in a first image obtained by the imaging unit in the storage unit as an initial position of a specific point in the first image in association with image features of a surrounding area of the optical axis neighborhood point, a search unit configured to search for a corresponding point of the specific point in a second image obtained by the imaging unit based on the image features of the surrounding area of the specific point stored in the storage unit, and an output unit configured to output a position of the corresponding point in the second image as a position of the reference point in the second image.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: April 27, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideo Fukamachi, Toshiki Kindo, Mineki Soga, Yoichi Kato, Shigeru Ando