Patents by Inventor Takeshi Kagawa

Takeshi Kagawa 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: 20240071691
    Abstract: A capacitor that includes: a substrate having a first principal surface and a second principal surface opposed to each other in a thickness direction, wherein the first principal surfaces includes a step in a plan view from the thickness direction; an insulating film on the first principal surface of the substrate; a first electrode layer on the insulating film and positioned within a boundary defined by the step in the plan view; a dielectric film on the first electrode layer; a second electrode layer on the dielectric film; a moisture-resistant film on the dielectric film and the second electrode layer; a protective layer on the moisture-resistant film; and an outer electrode penetrating through the protective layer.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: Takeshi KAGAWA, Masaki TSUKIDA
  • Publication number: 20240072107
    Abstract: A semiconductor device that includes a substrate; a first electrode layer on the substrate; a dielectric film on the first electrode layer; a second electrode layer on the dielectric film; a protective layer covering the first electrode layer and the second electrode layer; and an outer electrode penetrating the protective layer. The dielectric film includes silicon nitride, and an atomic concentration ratio of Si to a total amount of Si and N contained in the dielectric film is 43 atom % to 70 atom %.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: Masatomi HARADA, Korekiyo ITO, Takeshi KAGAWA
  • Publication number: 20240062958
    Abstract: A capacitor that includes: a substrate; a first electrode layer on the substrate, the first electrode layer including a first principal surface facing the substrate, and a second principal surface opposite the first principal surface; a dielectric film on the first electrode layer and covering an end portion of the first electrode layer; a second electrode layer on the dielectric film, the second electrode layer including a third principal surface facing the dielectric film, a fourth principal surface opposite the third principal surface, and a side surface joining the third principal surface and the fourth principal surface, wherein at least part of the side surface of the second electrode layer has a tapered shape which is inclined inward from the third principal surface to the fourth principal surface.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Inventors: Masatomi HARADA, Korekiyo ITO, Takeshi KAGAWA, Yuta IMAMURA
  • Publication number: 20240063252
    Abstract: A semiconductor device that includes: a substrate having a first main surface and a second main surface opposite to each other in a thickness direction; a circuit layer on the first main surface of the substrate; and a first resin body between an end portion of the substrate and the first outer electrode, and between the end portion of the substrate and the second outer electrode in a plan view in the thickness direction. In the thickness direction, a leading end of the first resin body is positioned higher than top ends of the first and second outer electrodes. In a sectional view, a first side surface of the first resin body approaches a second side surface of the first resin body on a side close to the end portion of the substrate, and the second side surface rises steeply against a first main surface of the substrate.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Inventors: Yuta IMAMURA, Masatomi HARADA, Takeshi KAGAWA, Korekiyo ITO
  • Publication number: 20230133816
    Abstract: An information processing apparatus is used for delivery of objects by a plurality of mobile structures among logistics centers, depositories, and delivery destinations. The apparatus includes processing circuitry. The processing circuitry computes, using a mathematical model, at least the number of the mobile structures to be used for delivery of the objects, mobile-structure route information, a total volume of the objects that each mobile structure delivers, and a load handling time of each mobile structure. The mathematical model is given inputs of at least location information of the logistics centers, the depositories, and the delivery destinations, delivery-object information, delivery-time information, and maximum loading-capacity information of each mobile structure. The processing circuitry outputs the number of the mobile structures, the mobile-structure route information, the total volume, and the load handling time.
    Type: Application
    Filed: October 29, 2021
    Publication date: May 4, 2023
    Applicants: AISIN CORPORATION, QC Ware Corporation
    Inventors: Takanori IDE, Takeshi KAGAWA, Kazumitsu KAMIYA, Fabio SANCHES, Sean WEINBERG
  • Patent number: 11587738
    Abstract: A capacitor that includes a substrate, a lower electrode on the substrate, a dielectric film on the lower electrode, an upper electrode on a part of the dielectric film, a protective layer that covers the lower electrode and the upper electrode, and an external electrode that penetrates the protective layer. The external electrode is formed only in a region defined by a periphery of the upper electrode in a plan view of the capacitor viewed from an upper surface thereof towards the substrate.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: February 21, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masatomi Harada, Junko Izumitani, Takeshi Kagawa, Hiroshi Matsubara
  • Patent number: 11545304
    Abstract: A plurality of capacitors and a holding body constructed to hold the plurality of capacitors. Each of the plurality of capacitors includes a semiconductor substrate, a first electrode layer, a dielectric layer, a second electrode layer, and an outer electrode. Among a first capacitor and a second capacitor of the plurality of capacitors, the second capacitor has a shape different from a shape of the first capacitor in at least one of the first electrode layer, the second electrode layer, and the outer electrode.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: January 3, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masatomi Harada, Masaki Takeuchi, Takeshi Kagawa, Hiroshi Matsubara
  • Patent number: 11521800
    Abstract: A capacitor that includes a substrate having a first principal surface and a second principal surface, a lower electrode on the first principal surface, a dielectric film on the lower electrode, and an upper electrode on the dielectric film, wherein at least one of the lower electrode and the upper electrode has, in plan view of the first principal surface, a first region having a rectangular shape, and at least one second region protruding from at least one side of the first region.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: December 6, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Takeshi Kagawa, Junko Izumitani, Masatomi Harada, Nobuhiro Ishida
  • Publication number: 20220376036
    Abstract: A semiconductor device is provided that includes a substrate 10 with first and second opposing main surfaces, a circuit layer disposed on the first main surface, and a first resin body on a surface of the circuit layer opposite from the substrate. The circuit layer includes first and second electrode layers on a side of the semiconductor substrate, a dielectric layer disposed between the electrode layers, a first outer electrode electrically connected to the first electrode layer and extended to the surface of the circuit layer, and a second outer electrode electrically connected to the second electrode layer and extended to the surface of the circuit layer. The first resin body is between the first and second outer electrodes in a plan view, and in sectional view, a tip end of the first resin body is positioned higher than tip ends of the first and second outer electrodes.
    Type: Application
    Filed: August 3, 2022
    Publication date: November 24, 2022
    Inventors: Hiroshi MATSUBARA, Masatomi HARADA, Takeshi KAGAWA
  • Publication number: 20220336345
    Abstract: A semiconductor device having a semiconductor substrate with first and second main surfaces that face one another in a thickness direction, and a circuit layer disposed on the first main surface. The circuit layer has a first electrode layer on the semiconductor substrate, a dielectric layer on the first electrode layer, a second electrode layer on the dielectric layer, and first and second outer electrodes electrically connected to the first and second electrode layers, respectively. The semiconductor substrate has a first end-portion region in which the circuit layer is not provided on the semiconductor substrate and on the side of the first end surface. In the first end-portion region, a first exposed portion is provided that is exposed between the first main surface and the first end surface.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 20, 2022
    Inventors: Masatomi HARADA, Takeshi KAGAWA, Hiroshi MATSUBARA, Nobuyoshi ADACHI
  • Publication number: 20220336155
    Abstract: A semiconductor device includes a semiconductor substrate having first and second main surfaces that oppose each other in a thickness direction, and a circuit layer disposed on the first main surface. The circuit layer includes a first electrode layer on a side of the semiconductor substrate, a second electrode layer that faces the first electrode layer, a dielectric layer disposed between the electrode layers, and a first outer electrode electrically connected to the first electrode layer through an opening in the dielectric layer. An end portion of the dielectric layer on a side of the first region is in contact with the first electrode layer, and in the dielectric layer, a size of the end portion in the thickness direction is smaller than a size of an inter-electrode portion between the first and second electrode layers in the thickness direction.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 20, 2022
    Inventors: Takeshi KAGAWA, Masatomi HARADA, Hiroshi MATSUBARA
  • Patent number: 11476055
    Abstract: A capacitor that includes a lower electrode; a dielectric film; an upper electrode; a first protective film that has a first through hole that opens to the upper electrode and a second through hole that opens to the lower electrode, and has a first upper surface; a second protective film that has a second upper surface located higher than the first upper surface of the first protective film; a first terminal electrode electrically connected to the upper electrode through the first through hole, and extends to at least the second upper surface of the second protective film; and a second terminal electrode electrically connected to the lower electrode through the second through hole, and extends to at least the second upper surface of the second protective film.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: October 18, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Takeshi Kagawa, Junko Izumitani, Masatomi Harada, Hiroshi Matsubara, Nobuhiro Ishida
  • Publication number: 20220084754
    Abstract: A capacitor that includes a substrate, a lower electrode on the substrate, a dielectric film on the lower electrode, an upper electrode on a part of the dielectric film, a protective layer that covers the lower electrode and the upper electrode, and an external electrode that penetrates the protective layer. The external electrode is formed only in a region defined by a periphery of the upper electrode in a plan view of the capacitor viewed from an upper surface thereof towards the substrate.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Masatomi Harada, Junko Izumitani, Takeshi Kagawa, Hiroshi Matsubara
  • Patent number: 11271074
    Abstract: A capacitor having a substrate, a first electrode layer, a dielectric layer, a second electrode layer, and first and second outer electrodes. The substrate has a first main surface and a second main surface opposite to the first main surface. The first electrode layer is on the first main surface of the substrate. The dielectric layer is on at least part of the first electrode layer. The second electrode layer is on at least part of the dielectric layer. The first outer electrode is electrically connected to the first electrode layer and the second outer electrode is electrically connected to the second electrode layer. At least one of the first electrode layer and the first outer electrode and the second electrode layer and the second outer electrode are in contact with each other at a first contact surface. The first contact surface includes a first uneven surface portion.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: March 8, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Takeshi Kagawa, Masatomi Harada
  • Publication number: 20220059290
    Abstract: A capacitor that includes a substrate having a surface; a lower electrode opposing the surface of the substrate; a dielectric film on the lower electrode; an upper electrode on the dielectric film; a protective layer on the lower electrode, the dielectric film, and the upper electrode, the protective layer defining a through-hole exposing at least one of the lower electrode and the upper electrode; at least one protrusion in the through-hole; and an outer electrode covering the through-hole and the at least one protrusion.
    Type: Application
    Filed: November 2, 2021
    Publication date: February 24, 2022
    Inventors: Hiroshi Matsubara, Masatomi Harada, Takeshi Kagawa
  • Publication number: 20220059646
    Abstract: A capacitor that includes a substrate; a capacitor structure including a lower electrode on the substrate, a dielectric film on the lower electrode and having a via hole, and an upper electrode on the dielectric film; a first terminal electrode in the via hole and electrically connected to the lower electrode; and a second terminal electrode electrically connected to the upper electrode. The width of the via hole of the dielectric film is less than or equal to twice the film thickness of the first terminal electrode.
    Type: Application
    Filed: November 8, 2021
    Publication date: February 24, 2022
    Inventors: Takeshi Kagawa, Masatomi Harada, Hiroshi Matsubara
  • Patent number: 11232911
    Abstract: A capacitor that includes a substrate having a first principal surface, a second principal surface facing the first principal surface, and a first end surface connecting the first principal surface and the second principal surface, a lower electrode on the first principal surface of the substrate, a dielectric film on the lower electrode, an upper electrode on the dielectric film, a protective film covering the upper electrode and having a thickness smaller than that of the substrate, and a first terminal electrode on the first end surface and electrically connected to one of the upper electrode and the lower electrode.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: January 25, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Nobuhiro Ishida, Junko Izumitani, Masatomi Harada, Takeshi Kagawa
  • Patent number: 11217395
    Abstract: A capacitor that includes a substrate, a lower electrode on the substrate, a dielectric film on the lower electrode, an upper electrode on a part of the dielectric film, a protective layer that covers the lower electrode and the upper electrode, and an external electrode that penetrates the protective layer. The external electrode is formed only in a region defined by a periphery of the upper electrode in a plan view of the capacitor viewed from an upper surface thereof towards the substrate.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: January 4, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masatomi Harada, Junko Izumitani, Takeshi Kagawa, Hiroshi Matsubara
  • Patent number: 11101072
    Abstract: A capacitor that prevents generation of a substrate capacitance composed of an upper electrode, a substrate, and a lower electrode. Specifically, the capacitor includes a substrate; a lower electrode disposed on the substrate; a dielectric film disposed on the lower electrode; an upper electrode disposed on a part of the dielectric film; and a first terminal electrode that is connected to the upper electrode. Moreover, the upper electrode and the first terminal electrode are formed in a region for forming the lower electrode in a plan view of the capacitor viewed from the first terminal electrode side.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: August 24, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masatomi Harada, Junko Izumitani, Takeshi Kagawa, Nobuhiro Ishida
  • Publication number: 20210027951
    Abstract: A plurality of capacitors and a holding body constructed to hold the plurality of capacitors. Each of the plurality of capacitors includes a semiconductor substrate, a first electrode layer, a dielectric layer, a second electrode layer, and an outer electrode. Among a first capacitor and a second capacitor of the plurality of capacitors, the second capacitor has a shape different from a shape of the first capacitor in at least one of the first electrode layer, the second electrode layer, and the outer electrode.
    Type: Application
    Filed: October 13, 2020
    Publication date: January 28, 2021
    Inventors: Masatomi Harada, Masaki Takeuchi, Takeshi Kagawa, Hiroshi Matsubara