Patents by Inventor Akio MASUNARI

Akio MASUNARI 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).

  • Patent number: 11881356
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and layered inner electrode layers and having a rectangular parallelepiped shape, and outer electrodes covering both end surfaces of the multilayer body and extending from both end surfaces to cover at least a portion of a first main surface of the multilayer body. The multilayer ceramic capacitor includes an insulating layer continuously extending from a ceramic layer at the first main surface of the multilayer body so as to cover end edge portions of both the outer electrodes located on the first main surface of the multilayer body, and t2>t1 is satisfied.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: January 23, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Shinobu Chikuma, Nobuyuki Koizumi, Akio Masunari, Yukie Watanabe
  • Publication number: 20230215644
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and layered inner electrode layers and having a rectangular parallelepiped shape, and outer electrodes covering both end surfaces of the multilayer body and extending from both end surfaces to cover at least a portion of a first main surface of the multilayer body. The multilayer ceramic capacitor includes an insulating layer continuously extending from a ceramic layer at the first main surface of the multilayer body so as to cover end edge portions of both the outer electrodes located on the first main surface of the multilayer body, and t2>t1 is satisfied.
    Type: Application
    Filed: March 14, 2023
    Publication date: July 6, 2023
    Inventors: Shinobu CHIKUMA, Nobuyuki KOIZUMI, Akio MASUNARI, Yukie WATANABE
  • Publication number: 20230215645
    Abstract: A capacitor that includes an insulating substrate; a capacitance forming portion including a metal porous body, a dielectric film, and a conductive film; and a sealing portion that seals the capacitance forming portion. The capacitance forming portion is on a first main surface of the insulating substrate. A first external connection line including a first via conductor penetrating the insulating substrate from the first main surface side toward the second main surface side is connected to the metal porous body; and a second external connection line including a second via conductor penetrating the insulating substrate from the first main surface side toward the second main surface side is connected to the conductive film. When viewed in a normal direction of the first main surface, the first via conductor and the second via conductor are both in a region where the capacitance forming portion is disposed.
    Type: Application
    Filed: July 25, 2022
    Publication date: July 6, 2023
    Inventors: Akio Masunari, Sachiko Hayashi, Naoki Iwaji
  • Patent number: 11610737
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and layered inner electrode layers and having a rectangular parallelepiped shape, and outer electrodes covering both end surfaces of the multilayer body and extending from both end surfaces to cover at least a portion of a first main surface of the multilayer body. The multilayer ceramic capacitor includes an insulating layer continuously extending from a ceramic layer at the first main surface of the multilayer body so as to cover end edge portions of both the outer electrodes located on the first main surface of the multilayer body, and t2>t1 is satisfied.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: March 21, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Shinobu Chikuma, Nobuyuki Koizumi, Akio Masunari, Yukie Watanabe
  • Publication number: 20220359121
    Abstract: A capacitor that includes an insulating substrate; a capacitance forming portion including a metal porous body, a dielectric film, and a conductive film; and a sealing portion that seals the capacitance forming portion. The capacitance forming portion is on a first main surface of the insulating substrate. A first external connection line including a first via conductor penetrating the insulating substrate from the first main surface side toward the second main surface side is connected to the metal porous body; and a second external connection line including a second via conductor penetrating the insulating substrate from the first main surface side toward the second main surface side is connected to the conductive film. When viewed in a normal direction of the first main surface, the first via conductor and the second via conductor are both in a region where the capacitance forming portion is disposed.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 10, 2022
    Inventors: Akio Masunari, Sachiko Hayashi, Naoki Iwaji
  • Patent number: 11367574
    Abstract: A multilayer ceramic capacitor includes a ceramic body including a stack of dielectric layers and internal electrodes and including main surfaces facing each other in a stacking direction, lateral surfaces facing each other in a width direction, and end surfaces facing each other in a length direction, and an external electrode electrically connected with the internal electrodes on the end surfaces. The external electrode includes an end surface covering portion covering each of the end surfaces, and a main surface covering portion covering portions of the main surfaces. The end surface and main surface covering portions each include a base electrode layer covering the ceramic body, and a plating layer covering the base electrode layer. The end surface covering portion further includes, between the base electrode layer and the plating layer, a sintered metal layer including a component different from that of the base electrode layer.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: June 21, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Akio Masunari, Yukie Watanabe
  • Patent number: 11342122
    Abstract: An electronic component assembly includes an electronic component and a mounting board. The electronic component includes a stacked body, a pair of external electrodes provided on both end surfaces of the stacked body, and an insulating layer entirely covering a first main surface of the stacked body. The mounting board includes a board main body having a mounting surface, and land electrodes on the mounting surface. The first main surface of the electronic component faces the mounting surface of the mounting board, and the pair of external electrodes are mounted on the land electrodes with solder. Both end portions of the insulating layer in the length direction of the electronic component are located on the outer side relative to both end surfaces of the stacked body at least in a cross section taken at the center in the width direction.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 24, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Akio Masunari
  • Patent number: 11302484
    Abstract: An electronic component assembly includes an electronic component and a mounting board. The electronic component includes a stacked body, a pair of external electrodes provided on both end surfaces of the stacked body, and an insulating layer entirely covering a first main surface of the stacked body. The mounting board includes a board main body having a mounting surface, and land electrodes on the mounting surface. The first main surface of the electronic component faces the mounting surface of the mounting board, and the pair of external electrodes are mounted on the land electrodes with solder. Both end portions of the insulating layer in the length direction of the electronic component are located on the outer side relative to both end surfaces of the stacked body at least in a cross section taken at the center in the width direction.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: April 12, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Akio Masunari
  • Publication number: 20210272756
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and layered inner electrode layers and having a rectangular parallelepiped shape, and outer electrodes covering both end surfaces of the multilayer body and extending from both end surfaces to cover at least a portion of a first main surface of the multilayer body. The multilayer ceramic capacitor includes an insulating layer continuously extending from a ceramic layer at the first main surface of the multilayer body so as to cover end edge portions of both the outer electrodes located on the first main surface of the multilayer body, and t2>t1 is satisfied.
    Type: Application
    Filed: February 8, 2021
    Publication date: September 2, 2021
    Inventors: Shinobu CHIKUMA, Nobuyuki KOIZUMI, Akio MASUNARI, Yukie WATANABE
  • Publication number: 20200365326
    Abstract: An electronic component assembly includes an electronic component and a mounting board. The electronic component includes a stacked body, a pair of external electrodes provided on both end surfaces of the stacked body, and an insulating layer entirely covering a first main surface of the stacked body. The mounting board includes a board main body having a mounting surface, and land electrodes on the mounting surface. The first main surface of the electronic component faces the mounting surface of the mounting board, and the pair of external electrodes are mounted on the land electrodes with solder. Both end portions of the insulating layer in the length direction of the electronic component are located on the outer side relative to both end surfaces of the stacked body at least in a cross section taken at the center in the width direction.
    Type: Application
    Filed: April 22, 2020
    Publication date: November 19, 2020
    Inventor: Akio MASUNARI
  • Publication number: 20200303124
    Abstract: A multilayer ceramic capacitor includes a ceramic body including a stack of dielectric layers and internal electrodes and including main surfaces facing each other in a stacking direction, lateral surfaces facing each other in a width direction, and end surfaces facing each other in a length direction, and an external electrode electrically connected with the internal electrodes on the end surfaces. The external electrode includes an end surface covering portion covering each of the end surfaces, and a main surface covering portion covering portions of the main surfaces. The end surface and main surface covering portions each include a base electrode layer covering the ceramic body, and a plating layer covering the base electrode layer. The end surface covering portion further includes, between the base electrode layer and the plating layer, a sintered metal layer including a component different from that of the base electrode layer.
    Type: Application
    Filed: March 2, 2020
    Publication date: September 24, 2020
    Inventors: Akio MASUNARI, Yukie WATANABE
  • Patent number: 10650974
    Abstract: A multilayer ceramic capacitor includes a laminate with a rectangular or substantially rectangular parallelepiped shape and including dielectric layers, first internal electrode layers, and second internal electrode layers that are laminated; a first external electrode connected with the first internal electrode layers; and a second external electrode connected with the second internal electrode layers. Each of the first internal electrode layers or the second internal electrode layers has a coverage in a central portion in a W direction that is lower than a coverage within about 30.000 ?m from an end portion in the W direction, and has a shifting amount in the W direction of about 0.000 ?m or more and about 10.000 ?m or less.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: May 12, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kohei Shimada, Akio Masunari, Yuta Saito, Shunsuke Abe, Tomoo Yuguchi
  • Patent number: 10475584
    Abstract: An electronic component mount structure includes an electronic component and a mount substrate. The electronic component includes a multilayer body including dielectric layers, internal electrode layers and an insulating layer stacked in a stacking direction. The multilayer body includes two main surfaces opposed to each other in the stacking direction, two side surfaces opposed to each other in a width direction perpendicular to the stacking direction, and two end surfaces opposed to each other in a length direction perpendicular to the stacking and width directions. An insulator is provided on the side surfaces of the multilayer body. The mount substrate includes a land electrode on a mount surface. The electronic component is mounted on the land electrode with a solder fillet being interposed such that the side surfaces are perpendicular to the mount surface. The land electrode is smaller in the width direction than the electronic component.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: November 12, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Akio Masunari
  • Publication number: 20190157007
    Abstract: An electronic component mount structure includes an electronic component and a mount substrate. The electronic component includes a multilayer body including dielectric layers, internal electrode layers and an insulating layer stacked in a stacking direction. The multilayer body includes two main surfaces opposed to each other in the stacking direction, two side surfaces opposed to each other in a width direction perpendicular to the stacking direction, and two end surfaces opposed to each other in a length direction perpendicular to the stacking and width directions. An insulator is provided on the side surfaces of the multilayer body. The mount substrate includes a land electrode on a mount surface. The electronic component is mounted on the land electrode with a solder fillet being interposed such that the side surfaces are perpendicular to the mount surface. The land electrode is smaller in the width direction than the electronic component.
    Type: Application
    Filed: January 24, 2019
    Publication date: May 23, 2019
    Inventor: Akio MASUNARI
  • Patent number: 10297391
    Abstract: A composite electronic component includes a substrate with a first main surface and a side end surface, a first electronic component including external electrodes and mounted on the first main surface of the substrate, a second electronic component including external electrodes and being different in electrical function from the first electronic component mounted on the first main surface of the substrate, and a conductive pattern on the first main surface of the substrate, electrically connecting the first electronic component and the second electronic component to each other, and including one end reaching a side of one side end of the substrate, one external electrode of the first electronic component and one external electrode of the second electronic component being located on the side of the one side end of the substrate, another external electrode of the first electronic component and another external electrode of the second electronic component being connected to the conductive pattern, and the compos
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: May 21, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Koki Shibuya, Hirokazu Takashima, Akio Masunari, Tomoyuki Nakamura
  • Patent number: 10236124
    Abstract: An electronic component mount structure includes an electronic component and a mount substrate. The electronic component includes a multilayer body including dielectric layers, internal electrode layers and an insulating layer stacked in a stacking direction. The multilayer body includes two main surfaces opposed to each other in the stacking direction, two side surfaces opposed to each other in a width direction perpendicular to the stacking direction, and two end surfaces opposed to each other in a length direction perpendicular to the stacking and width directions. An insulator is provided on the side surfaces of the multilayer body. The mount substrate includes a land electrode on a mount surface. The electronic component is mounted on the land electrode with a solder fillet being interposed such that the side surfaces are perpendicular to the mount surface. The land electrode is smaller in the width direction than the electronic component.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: March 19, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Akio Masunari
  • Publication number: 20180268999
    Abstract: A multilayer ceramic capacitor includes a laminate with a rectangular or substantially rectangular parallelepiped shape and including dielectric layers, first internal electrode layers, and second internal electrode layers that are laminated; a first external electrode connected with the first internal electrode layers; and a second external electrode connected with the second internal electrode layers. Each of the first internal electrode layers or the second internal electrode layers has a coverage in a central portion in a W direction that is lower than a coverage within about 30.000 ?m from an end portion in the W direction, and has a shifting amount in the W direction of about 0.000 ?m or more and about 10.000 ?m or less.
    Type: Application
    Filed: March 9, 2018
    Publication date: September 20, 2018
    Inventors: Kohei SHIMADA, Akio MASUNARI, Yuta SAITO, Shunsuke ABE, Tomoo YUGUCHI
  • Patent number: 9967980
    Abstract: A multilayer ceramic capacitor includes a ceramic element body including first and second external electrodes on first and second end surface sides of the ceramic element body, respectively. The first external electrode includes an Ni plating layer and an Sn plating layer defining a plating layer. The second external electrode includes an Au plating layer defining a plating layer.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: May 8, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Akio Masunari, Hirokazu Takashima, Tomoyuki Nakamura
  • Publication number: 20170256359
    Abstract: An electronic component mount structure includes an electronic component and a mount substrate. The electronic component includes a multilayer body including dielectric layers, internal electrode layers and an insulating layer stacked in a stacking direction. The multilayer body includes two main surfaces opposed to each other in the stacking direction, two side surfaces opposed to each other in a width direction perpendicular to the stacking direction, and two end surfaces opposed to each other in a length direction perpendicular to the stacking and width directions. An insulator is provided on the side surfaces of the multilayer body. The mount substrate includes a land electrode on a mount surface. The electronic component is mounted on the land electrode with a solder fillet being interposed such that the side surfaces are perpendicular to the mount surface. The land electrode is smaller in the width direction than the electronic component.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 7, 2017
    Inventor: Akio MASUNARI
  • Publication number: 20170208691
    Abstract: A multilayer ceramic capacitor includes a ceramic element body including first and second external electrodes on first and second end surface sides of the ceramic element body, respectively. The first external electrode includes an Ni plating layer and an Sn plating layer defining a plating layer. The second external electrode includes an Au plating layer defining a plating layer.
    Type: Application
    Filed: December 23, 2016
    Publication date: July 20, 2017
    Inventors: Akio MASUNARI, Hirokazu TAKASHIMA, Tomoyuki NAKAMURA