Patents by Inventor Toru ONOUE

Toru ONOUE 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: 20250079088
    Abstract: A multilayer feedthrough capacitor includes an element body, a pair of first external electrodes, a second external electrode, and a plurality of internal electrodes. The plurality of internal electrodes include at least one first internal electrode connected to the pair of first external electrodes, at least one second internal electrode connected to the pair of first external electrodes, and at least one third internal electrode connected to the second external electrode. The at least one first internal electrode is connected to the pair of first external electrodes with a first connection width, and the at least one second internal electrode is connected to the pair of first external electrodes with a second connection width larger than the first connection width.
    Type: Application
    Filed: July 16, 2024
    Publication date: March 6, 2025
    Applicant: TDK Corporation
    Inventors: Toru ONOUE, Masahiro Iwama, Yutaro Arai
  • Patent number: 12094656
    Abstract: In a multilayer capacitor, when a width of a element body in a facing direction of a pair of side surfaces is W, and a distance from a start position of a curved shape of the element body on the side surface side in a plane of a first internal electrode of an outermost layer to a virtual surface including the side surface when viewed from the facing direction of a pair of end surfaces is Rw, We/4?X<W?2×Rw is satisfied.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: September 17, 2024
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Kohei Sumiya, Masahiro Iwama
  • Patent number: 12087513
    Abstract: In a multilayer capacitor, when a distance between a surface of a first external electrode at an apex position of the first external electrode and a curved surface is defined as Ht, and a distance between the apex position and an apex position of the main surface in a facing direction of the pair of main surfaces is defined as Y, 0<Y<Ht is satisfied for each of the pair of first external electrodes at least on the curved surface side, and a distance between a surface of the second external electrode at an apex position of the second external electrode and the main surface is defined as Hs, Ht>Hs is satisfied for each of the pair of second external electrodes on both sides of the pair of main surfaces.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: September 10, 2024
    Assignee: TDK CORPORATION
    Inventors: Masahiro Iwama, Toru Onoue, Kohei Sumiya
  • Patent number: 12033802
    Abstract: In the sintered electrode layer covering the one end face, a wraparound dimension of a wraparound portion wrapping around from the one end face to the one main face in the facing direction is set to a dimension b, a distance between the one end face and the end portions of the plurality of second internal electrodes on the one end face side in the facing direction is set to a dimension Lg, a distance between the pair of main faces in the stacking direction is set to a dimension T, and a distance between the one main face and the second internal electrode closest to the one main face is set to a dimension Tg1, a relational expression of Lg>b?(2×b×Tg1/T) is satisfied.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: July 9, 2024
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Daisuke Himeta, Yusuke Karasawa
  • Publication number: 20230290578
    Abstract: In a multilayer capacitor, when a distance between a surface of a first external electrode at an apex position of the first external electrode and a curved surface is defined as Ht, and a distance between the apex position and an apex position of the main surface in a facing direction of the pair of main surfaces is defined as Y, 0<Y<Ht is satisfied for each of the pair of first external electrodes at least on the curved surface side, and a distance between a surface of the second external electrode at an apex position of the second external electrode and the main surface is defined as Hs, Ht>Hs is satisfied for each of the pair of second external electrodes on both sides of the pair of main surfaces.
    Type: Application
    Filed: September 16, 2022
    Publication date: September 14, 2023
    Applicant: TDK CORPORATION
    Inventors: Masahiro IWAMA, Toru ONOUE, Kohei SUMIYA
  • Publication number: 20230290571
    Abstract: In a multilayer capacitor, when a width of a element body in a facing direction of a pair of side surfaces is W, and a distance from a start position of a curved shape of the element body on the side surface side in a plane of a first internal electrode of an outermost layer to a virtual surface including the side surface when viewed from the facing direction of a pair of end surfaces is Rw, We/4?X<W?2×Rw is satisfied.
    Type: Application
    Filed: September 2, 2022
    Publication date: September 14, 2023
    Applicant: TDK CORPORATION
    Inventors: Toru ONOUE, Kohei SUMIYA, Masahiro IWAMA
  • Publication number: 20220238279
    Abstract: In the sintered electrode layer covering the one end face, a wraparound dimension of a wraparound portion wrapping around from the one end face to the one main face in the facing direction is set to a dimension b, a distance between the one end face and the end portions of the plurality of second internal electrodes on the one end face side in the facing direction is set to a dimension Lg, a distance between the pair of main faces in the stacking direction is set to a dimension T, and a distance between the one main face and the second internal electrode closest to the one main face is set to a dimension Tg1, a relational expression of Lg>b?(2×b×Tg1/T) is satisfied.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 28, 2022
    Applicant: TDK CORPORATION
    Inventors: Toru ONOUE, Daisuke HIMETA, Yusuke KARASAWA
  • Patent number: 10811191
    Abstract: An element body of a rectangular parallelepiped shape has a length in a height direction larger than a length in a width direction and has a length in a longitudinal direction larger than the length in the height direction. A terminal electrode is disposed at an end of the element body in the width direction and extends in the longitudinal direction. The element body includes a pair of principle surfaces opposing each other in the height direction, a pair of end surfaces opposing each other in the longitudinal direction, and a pair of side surfaces opposing each other in the width direction. The terminal electrode includes a conductor disposed on the side surface. The conductor includes a protrusion having a length in the longitudinal direction larger than a length in the height direction.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: October 20, 2020
    Assignee: TDK CORPORATION
    Inventors: Fumiaki Satoh, Toru Onoue, Takuto Okamoto
  • Patent number: 10790091
    Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the second direction is shorter than that of the element body in the first direction, and the length of the element body in the third direction is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. A second external electrode is disposed on the element body and positioned between the pair of first external electrodes. The second external electrode includes a first conductor part disposed on the first side surface. A depression is formed in the first conductor part.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: September 29, 2020
    Assignee: TDK CORPORATION
    Inventors: Fumiaki Satoh, Takehisa Tamura, Yuma Hattori, Toru Onoue, Daisuke Himeta, Ken Morita, Takuto Okamoto
  • Patent number: 10650972
    Abstract: An element body of a rectangular parallelepiped shape has a length in a width direction larger than a length in a height direction and has a length in a longitudinal direction larger than the length in the width direction. A terminal electrode is disposed at an end of the element body in the width direction and extends in the longitudinal direction. The element body includes a pair of principle surfaces opposing each other in the height direction, a pair of end surfaces opposing each other in the longitudinal direction, and a pair of side surfaces opposing each other in the width direction. The terminal electrode includes a conductor disposed on the side surface. The conductor includes a depression having a length in the longitudinal direction larger than a length in the height direction.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: May 12, 2020
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Fumiaki Satoh, Takuto Okamoto
  • Patent number: 10475587
    Abstract: A first external electrode is disposed on an end surface. A second external electrode is disposed on a side surface. The first external electrode includes a first sintered electrode layer, a second sintered electrode layer disposed on the first sintered electrode layer, and a plated layer disposed on the second sintered electrode layer. The second external electrode includes a third sintered electrode layer and a plated layer disposed on the third sintered electrode layer. The first, second, and third sintered electrode layers include a void. A void fraction of each of the first and third sintered electrode layers is larger than a void fraction of the second sintered electrode layer.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: November 12, 2019
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Daisuke Himeta, Hikaru Hirabayashi, Fumiaki Satoh, Yuma Hattori, Takuto Okamoto
  • Patent number: 10297390
    Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the third direction is shorter than that of the element body in the first direction and is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. Each of the first external electrodes includes a first conductor part disposed on one main surface and a second conductor part disposed on the end surface and coupled to the first conductor part. The porosity of the first conductor part is smaller than that of the second conductor part.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: May 21, 2019
    Assignee: TDK CORPORATION
    Inventors: Fumiaki Satoh, Takehisa Tamura, Yuma Hattori, Toru Onoue, Daisuke Himeta, Ken Morita, Takuto Okamoto
  • Publication number: 20190066925
    Abstract: An element body of a rectangular parallelepiped shape has a length in a height direction larger than a length in a width direction and has a length in a longitudinal direction larger than the length in the height direction. A terminal electrode is disposed at an end of the element body in the width direction and extends in the longitudinal direction. The element body includes a pair of principle surfaces opposing each other in the height direction, a pair of end surfaces opposing each other in the longitudinal direction, and a pair of side surfaces opposing each other in the width direction. The terminal electrode includes a conductor disposed on the side surface. The conductor includes a protrusion having a length in the longitudinal direction larger than a length in the height direction.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Applicant: TDK CORPORATION
    Inventors: Fumiaki SATOH, Toru ONOUE, Takuto OKAMOTO
  • Publication number: 20190066926
    Abstract: An element body of a rectangular parallelepiped shape has a length in a width direction larger than a length in a height direction and has a length in a longitudinal direction larger than the length in the width direction. A terminal electrode is disposed at an end of the element body in the width direction and extends in the longitudinal direction. The element body includes a pair of principle surfaces opposing each other in the height direction, a pair of end surfaces opposing each other in the longitudinal direction, and a pair of side surfaces opposing each other in the width direction. The terminal electrode includes a conductor disposed on the side surface. The conductor includes a depression having a length in the longitudinal direction larger than a length in the height direction.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Applicant: TDK CORPORATION
    Inventors: Toru ONOUE, Fumiaki SATOH, Takuto OKAMOTO
  • Publication number: 20180286583
    Abstract: A first external electrode is disposed on an end surface. A second external electrode is disposed on a side surface. The first external electrode includes a first sintered electrode layer, a second sintered electrode layer disposed on the first sintered electrode layer, and a plated layer disposed on the second sintered electrode layer. The second external electrode includes a third sintered electrode layer and a plated layer disposed on the third sintered electrode layer. The first, second, and third sintered electrode layers include a void. A void fraction of each of the first and third sintered electrode layers is larger than a void fraction of the second sintered electrode layer.
    Type: Application
    Filed: February 23, 2018
    Publication date: October 4, 2018
    Applicant: TDK CORPORATION
    Inventors: Toru ONOUE, Daisuke HIMETA, Hikaru HIRABAYASHI, Fumiaki SATOH, Yuma HATTORI, Takuto OKAMOTO
  • Patent number: 10026554
    Abstract: A length in a first direction of the element body is smaller than a length in a second direction of the element body and smaller than a length in a third direction of the element body, the second direction being perpendicular to the first direction, the third direction being perpendicular to the first and second direction. Each of a first terminal electrode and a second terminal electrode includes a sintered conductor layer formed on the element body, a first plated layer formed on the sintered conductor layer, and a second plated layer formed on the first plated layer. In each of a first electrode portion disposed on a principal face and a third electrode portion disposed on a principal face, a maximum thickness of the sintered conductor layer is larger than a thickness of the first plated layer and not more than a thickness of the second plated layer.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: July 17, 2018
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Ken Morita, Kenta Yamashita
  • Patent number: 10008329
    Abstract: A length in a third direction of a first connection portion is smaller than a length in the third direction of a first main electrode portion. A length in the third direction of a second connection portion is smaller than a length in the third direction of a second main electrode portion. A thickness in a first direction of an inner layer portion is smaller than each of the length in the third direction of the first connection portion and the length in the third direction of the second connection portion and smaller than each of a gap from a second side surface to the first connection portion in the third direction and a gap from the second side surface to the second connection portion in the third direction. The second side surfaces oppose each other in the third direction perpendicular to the first direction.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: June 26, 2018
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Ken Morita
  • Patent number: 9972437
    Abstract: A length in a first direction of an element body is smaller than a length in a second direction of the element body and smaller than a length in a third direction of the element body, the second direction being perpendicular to the first direction, the third direction being perpendicular to the first and second direction. A difference between a maximum thickness and a minimum thickness of a first electrode portion is smaller than a difference between a maximum thickness and a minimum thickness of a second electrode portion. A difference between a maximum thickness and a minimum thickness of a third electrode portion is smaller than a difference between a maximum thickness and a minimum thickness of a fourth electrode portion. The maximum thickness of the first electrode portion and the maximum thickness of the third electrode portion are larger than thicknesses of respective outer layer portions.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 15, 2018
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Ken Morita, Kenta Yamashita
  • Patent number: 9928961
    Abstract: An element body includes a pair of principal surfaces, a pair of side surfaces, and another pair of side surfaces. Each of a pair of terminal electrodes includes a first electrode portion disposed on the principal surface and a second electrode portion disposed on the side surface. In the element body, a length in a direction in which the pair of principal surfaces oppose each other is smaller than a length in a direction in which the pair of side surfaces oppose each other and smaller than a length in a direction in which the other pair of side surfaces oppose each other. An arithmetic mean deviation of the surface of the first electrode portion is from 0.20 to 0.26 ?m. An arithmetic mean deviation of the surface of the second electrode portion is from 0.27 to 0.38 ?m.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: March 27, 2018
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Kenta Yamashita, Yuma Hattori
  • Publication number: 20180082793
    Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the second direction is shorter than that of the element body in the first direction, and the length of the element body in the third direction is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. A second external electrode is disposed on the element body and positioned between the pair of first external electrodes. The second external electrode includes a first conductor part disposed on the first side surface. A depression is formed in the first conductor part.
    Type: Application
    Filed: September 13, 2017
    Publication date: March 22, 2018
    Applicant: TDK CORPORATION
    Inventors: Fumiaki SATOH, Takehisa TAMURA, Yuma HATTORI, Toru ONOUE, Daisuke HIMETA, Ken MORITA, Takuto OKAMOTO