Patents by Inventor Fumiyuki MUTSUDA

Fumiyuki MUTSUDA 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: 10874998
    Abstract: The diffusing member of the present invention is disposed in an exhaust pipe to partially block exhaust gas flowing in from upstream of the exhaust pipe, the diffusing member including a ceramic member and a metal member, wherein the ceramic member surrounds the metal member in such a manner that the metal member is partially exposed, and the volume of the ceramic member constituting the diffusing member is larger than the volume of the metal member constituting the diffusing member.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: December 29, 2020
    Assignee: IBIDEN CO., LTD.
    Inventors: Satoru Kariya, Fumiyuki Mutsuda, Tomoyoshi Nakamura, Yuya Sugiura, Yasutaka Ito
  • Publication number: 20190030498
    Abstract: The diffusing member of the present invention is disposed in an exhaust pipe to partially block exhaust gas flowing in from upstream of the exhaust pipe, the diffusing member including a ceramic member and a metal member, wherein the ceramic member surrounds the metal member in such a manner that the metal member is partially exposed, and the volume of the ceramic member constituting the diffusing member is larger than the volume of the metal member constituting the diffusing member.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 31, 2019
    Applicant: IBIDEN CO., LTD.
    Inventors: Satoru KARIYA, Fumiyuki MUTSUDA, Tomoyoshi NAKAMURA, Yuya SUGIURA, Yasutaka ITO
  • Publication number: 20180016683
    Abstract: The present invention provides a coated metal member including a metal base and a coat layer made of an amorphous inorganic material formed on the metal base, the coat layer containing pores and carbon particles.
    Type: Application
    Filed: July 5, 2017
    Publication date: January 18, 2018
    Applicant: IBIDEN CO., LTD.
    Inventor: Fumiyuki MUTSUDA
  • Patent number: 9759109
    Abstract: The present invention provides a highly durable, electrically heated catalytic converter including an inner tube on which an insulation layer is formed, wherein the insulation layer is less susceptible to damage such as cracking and peeling even when thermal stress occurs in a curvature section of the inner tube where the insulation layer is formed.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: September 12, 2017
    Assignees: IBIDEN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Fumiyuki Mutsuda, Hideyuki Komitsu, Shoji Ogimura
  • Patent number: 9562166
    Abstract: A structure includes a surface coat layer of which the thickness on a bump such as a weld bead and a weld spatter or an edge portion, possibly formed on the surface of a base, is not greatly different from the thickness on a flat portion. The structure therefore has excellent properties including heat insulation properties and electrical insulation properties. The structure includes a base that is made of a metal, and has a flat portion and at least one of a bump and an edge portion on a surface; and a surface coat layer that is formed from an amorphous inorganic material and particles of a crystalline inorganic material, and covers the surface of the base, the surface coat layer including a first coat portion covering the flat portion and a second coat portion covering the at least one of a bump and an edge portion.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: February 7, 2017
    Assignee: IBIDEN CO., LTD.
    Inventors: Fumiyuki Mutsuda, Yoshitaka Fujita
  • Patent number: 9506387
    Abstract: The present invention provides a highly durable, electrically heated catalytic converter including an insulation layer formed on an inner tube, wherein the insulation layer is less susceptible to cracking and peeling even when high thermal stress occurs in the insulation layer at and near the end portion of an inner tube, at upstream of a catalyst carrier.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: November 29, 2016
    Assignees: IBIDEN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Fumiyuki Mutsuda, Hideyuki Komitsu, Shoji Ogimura
  • Patent number: 9458747
    Abstract: The present invention provides a highly durable, electrically heated catalytic converter having a relatively simple structure while its inner tube is curved toward the central axis, wherein an insulation layer formed on the inner tube is less susceptible to cracking and peeling even when the inner tube is subjected to temperature changes or temperature gradients.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: October 4, 2016
    Assignees: IBIDEN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Fumiyuki Mutsuda, Hideyuki Komitsu, Shoji Ogimura
  • Publication number: 20160115843
    Abstract: The present invention provides a highly durable, electrically heated catalytic converter including an insulation layer formed on an inner tube, wherein the insulation layer is less susceptible to cracking and peeling even when high thermal stress occurs in the insulation layer at and near the end portion of an inner tube, at upstream of a catalyst carrier.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 28, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Hideyuki KOMITSU, Shoji OGIMURA
  • Publication number: 20160115842
    Abstract: The present invention provides a highly durable, electrically heated catalytic converter having a relatively simple structure while its inner tube is curved toward the central axis, wherein an insulation layer formed on the inner tube is less susceptible to cracking and peeling even when the inner tube is subjected to temperature changes or temperature gradients.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 28, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Hideyuki KOMITSU, Shoji OGIMURA
  • Publication number: 20160115841
    Abstract: The present invention provides a highly durable, electrically heated catalytic converter including an inner tube on which an insulation layer is formed, wherein the insulation layer is less susceptible to damage such as cracking and peeling even when thermal stress occurs in a curvature section of the inner tube where the insulation layer is formed.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 28, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Hideyuki KOMITSU, Shoji OGIMURA
  • Publication number: 20160061081
    Abstract: A catalytic converter apparatus includes a catalyst substrate that supports a catalyst for cleaning exhaust gas exhausted from an internal combustion engine, the catalyst substrate being heated by electrification; a case formed in a tubular shape, the catalyst substrate being accommodated inside the case and the case being attached to an exhaust pipe; an outer pipe provided at the case, the outer pipe being disposed at least at an upstream side of an exhaust gas flow direction relative to the catalyst substrate; an inner pipe provided at the case inside the outer pipe, an axial direction end portion of the inner pipe being formed in a tapered shape and a distal end face of the axial direction end portion being formed in a curved surface shape; and an insulating layer provided at least at an inner side face and the axial direction end portion of the inner pipe.
    Type: Application
    Filed: July 16, 2015
    Publication date: March 3, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, IBIDEN CO., LTD.
    Inventors: Shoji OGIMURA, Hideyuki KOMITSU, Fumiyuki MUTSUDA, Tomoyoshi NAKAMURA
  • Patent number: 9180406
    Abstract: An exhaust gas processing device includes a cylindrical metallic member and an insulating layer. The insulating layer has a thickness of about 20 ?m to about 400 ?m and is densely formed such that no through pores exist in a thickness direction of the insulating layer. The insulating layer is provided on an inner surface of the cylindrical metallic member.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: November 10, 2015
    Assignee: IBIDEN CO., LTD.
    Inventors: Fumiyuki Mutsuda, Yoshitaka Fujita
  • Publication number: 20150192228
    Abstract: A paint includes an amorphous inorganic material, crystalline inorganic material particles, and pore-forming material particles. The amorphous inorganic material contains silica. The crystalline inorganic material particles contain zirconia. The crystalline inorganic material particles have an average particle size of about 0.1 ?m to about 150 ?m. A weight of the crystalline inorganic material particles is about 30 parts by weight to about 180 parts by weight to 100 parts by weight of the amorphous inorganic material. The pore-forming material particles have an average particle size of about 0.1 ?m to about 25 ?m. A weight of the pore-forming material particles is about 0.001 parts by weight to about 1 parts by weight to 100 parts by weight of the amorphous inorganic material.
    Type: Application
    Filed: February 16, 2015
    Publication date: July 9, 2015
    Applicant: IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Yoshitaka FUJITA
  • Publication number: 20150104617
    Abstract: A structure includes a surface coat layer of which the thickness on a bump such as a weld bead and a weld spatter or an edge portion, possibly formed on the surface of a base, is not greatly different from the thickness on a flat portion. The structure therefore has excellent properties including heat insulation properties and electrical insulation properties. The structure includes a base that is made of a metal and has a flat portion and at least one of a bump and an edge portion on a surface; and a surface coat layer covering the surface of the base, the surface coat layer including a first surface coat layer covering the flat portion and a second surface coat layer covering the at least one of a bump and an edge portion.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Applicant: IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Yoshitaka FUJITA
  • Publication number: 20150104616
    Abstract: A structure includes a surface coat layer of which the thickness on a bump such as a weld bead and a weld spatter or an edge portion, possibly formed on the surface of a base, is not greatly different from the thickness on a flat portion. The structure therefore has excellent properties including heat insulation properties and electrical insulation properties. The structure includes a base that is made of a metal, and has a flat portion and at least one of a bump and an edge portion on a surface; and a surface coat layer that covers the surface of the base, the surface coat layer including: a first surface coat layer that covers the flat portion, and contains an amorphous inorganic material, or a crystalline inorganic material and an amorphous inorganic material in combination.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Applicant: IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Yoshitaka FUJITA
  • Publication number: 20150104611
    Abstract: A structure includes a surface coat layer of which the thickness on a bump such as a weld bead and a weld spatter or an edge portion, possibly formed on the surface of a base, is not greatly different from the thickness on a flat portion. The structure therefore has excellent properties including heat insulation properties and electrical insulation properties. The structure includes a base that is made of a metal, and has a flat portion and at least one of a bump and an edge portion on a surface; and a surface coat layer that is formed from an amorphous inorganic material and particles of a crystalline inorganic material, and covers the surface of the base, the surface coat layer including a first coat portion covering the flat portion and a second coat portion covering the at least one of a bump and an edge portion.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Applicant: IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Yoshitaka FUJITA
  • Publication number: 20150104610
    Abstract: A structure includes a surface coat layer of which the thickness on a bump such as a weld bead and a weld spatter or an edge portion, possibly formed on the surface of a base, is not greatly different from the thickness on a flat portion. The structure therefore has excellent properties including heat insulation properties and electrical insulation properties. The structure includes a base that is made of a metal, and has a flat portion and at least one of a bump and an edge portion on a surface; and a surface coat layer that is formed from an amorphous inorganic material and particles of a crystalline inorganic material, and covers the surface of the base, the surface coat layer including a first coat portion covering the flat portion and a second coat portion covering the at least one of a bump and an edge portion.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Applicant: IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Yoshitaka FUJITA
  • Publication number: 20150086436
    Abstract: An exhaust gas processing device includes a cylindrical metallic member and an insulating layer. The insulating layer has a thickness of about 20 ?m to about 400 ?m and is densely formed such that no through pores exist in a thickness direction of the insulating layer. The insulating layer is provided on an inner surface of the cylindrical metallic member.
    Type: Application
    Filed: November 26, 2014
    Publication date: March 26, 2015
    Applicant: IBIDEN CO., LTD.
    Inventors: Fumiyuki MUTSUDA, Yoshitaka FUJITA
  • Patent number: 8926912
    Abstract: An exhaust gas processing device includes a honeycomb structure in a pillar shape including a honeycomb unit, a catalytic agent, an inorganic mat member, a cylindrical metallic member and an insulating layer. The honeycomb unit includes cell walls to define a plurality of cells which extend from a first end of the honeycomb unit to a second end of the honeycomb unit along a longitudinal direction. The catalytic agent is provided on the cell walls. The inorganic mat member is wound around an outer peripheral surface of the honeycomb structure. The cylindrical metallic member accommodates the honeycomb structure around which the inorganic mat member is wound. The insulating layer has a thickness of about 20 ?m to about 400 ?m and is densely formed. The insulating layer is provided between an inner surface of the cylindrical metallic member and the inorganic mat member.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: January 6, 2015
    Assignee: Ibiden Co., Ltd.
    Inventors: Fumiyuki Mutsuda, Yoshitaka Fujita
  • Patent number: 8871152
    Abstract: An exhaust gas processing device includes a first cylindrical metallic member, an inorganic mat member, a second cylindrical metallic member, and an insulating layer. The inorganic mat member is wound around an outer periphery of the first cylindrical metallic member. The second cylindrical metallic member accommodates the first cylindrical metallic member around which the inorganic mat member is wound. The insulating layer have a thickness of about 20 ?m to about 400 ?m and is provided at at least one of a first part which is an inner surface of the first cylindrical metallic member, a second part between an outer surface of the first cylindrical metallic member and the inorganic mat member, and a third part between an inner surface of the second cylindrical metallic member and the inorganic mat member.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: October 28, 2014
    Assignee: Ibiden Co., Ltd.
    Inventors: Fumiyuki Mutsuda, Yoshitaka Fujita