Patents by Inventor Taishi FUJIMOTO

Taishi FUJIMOTO 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).

  • Soft magnetic alloy powder, production method thereof, and dust core using same
    Patent number: 11062829
    Abstract: A soft magnetic alloy powder includes a first pulverized powder which has a particle diameter of 20 ?m or more, a value of major diameter/minor diameter of 1.2 or more and 1.8 or less, and a flat plate shape, and a second pulverized powder which has a particle diameter of less than 3 ?m, a value of major diameter/minor diameter of 1.1 or more and 1.6 or less, and a flat plate shape. A production method of a soft magnetic alloy powder, includes first processing of processing a soft magnetic alloy ribbon into a coarse powder, and second processing of pulverizing the coarse powder with a pulverizer.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: July 13, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Taishi Fujimoto, Masato Maede
  • DUST CORE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20200143967
    Abstract: A dust core achieving both a high magnetic permeability and a high voltage resistance and a method of manufacturing the same are provided. The dust core is a dust core containing a powder of a soft magnetic composition. The powder of the soft magnetic composition includes at least an ellipsoidal powder having a flatness within a range from 3.0 to 6.0.
    Type: Application
    Filed: October 31, 2019
    Publication date: May 7, 2020
    Inventors: Masato MAEDE, Masaaki TANABE, Taishi FUJIMOTO
  • SOFT MAGNETIC ALLOY POWDER, PRODUCTION METHOD THEREOF, AND DUST CORE USING SAME
    Publication number: 20190252103
    Abstract: A soft magnetic alloy powder includes a first pulverized powder which has a particle diameter of 20 ?m or more, a value of major diameter/minor diameter of 1.2 or more and 1.8 or less, and a flat plate shape, and a second pulverized powder which has a particle diameter of less than 3 ?m, a value of major diameter/minor diameter of 1.1 or more and 1.6 or less, and a flat plate shape. A production method of a soft magnetic alloy powder, includes first processing of processing a soft magnetic alloy ribbon into a coarse powder, and second processing of pulverizing the coarse powder with a pulverizer.
    Type: Application
    Filed: January 16, 2019
    Publication date: August 15, 2019
    Inventors: TAISHI FUJIMOTO, MASATO MAEDE