Patents by Inventor Eigo Kobayashi

Eigo Kobayashi 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: 20240116820
    Abstract: A sintered body that includes: a spinel ferrite oxide having a main constituent of metal elements of Fe, Ni, Cu, and Zn; and Zr, Mn, Al, Co, and Cr. Wherein, when Zn, Ni, Cu, Zr, Mn, Al, Co, and Cr have a contained mole part: “a”, “b”, “c”, “d”, “e”, “f”, “g”, and “h”, respectively, and based on Fe being 100 mole parts: 49.0<100?a?b?c+2d+(1/2)e<50.0, 50.2<a+b+c+d+e/2<52.7, 0.0012?f?0.010, 0.0005?g?0.0015, and 0.0005?h?0.004.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 11, 2024
    Inventor: Eigo KOBAYASHI
  • Patent number: 11942267
    Abstract: A sintered body containing: a plurality of coated grains each having a metal magnetic body grain coated with a resin layer; a plurality of ferrite grains; and an amorphous phase between the plurality of coated grains and the plurality of ferrite grains. The amorphous phase may contain a metal element that is the same as a metal element contained in the ferrite grains.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: March 26, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Eigo Kobayashi
  • Publication number: 20210313102
    Abstract: A sintered body containing: a plurality of coated grains each having a metal magnetic body grain coated with a resin layer; a plurality of ferrite grains; and an amorphous phase between the plurality of coated grains and the plurality of ferrite grains. The amorphous phase may contain a metal element that is the same as a metal element contained in the ferrite grains.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Inventor: Eigo Kobayashi