Patents by Inventor Kenichi Katsuma

Kenichi Katsuma 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).

  • Magnetic member and electronic component
    Patent number: 9627111
    Abstract: A magnetic member includes a plurality of superparamagnetic particles held by the magnetic member. Each of the plurality of superparamagnetic particles is formed with a particle size which is set at least such that a Neel relaxation time ?n in the each of the superparamagnetic particles becomes shorter than a cycle P of an alternating current magnetic field applied to the magnetic member (?n<P) when the magnetic member is used as an electronic component.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: April 18, 2017
    Assignee: Ferrotec Corporation
    Inventors: Yasutake Hirota, Kenichi Katsuma, Masatake Hirooka, Takayuki Hachida
  • Magnetic Member and Electronic Component
    Publication number: 20120229238
    Abstract: A magnetic member includes a plurality of superparamagnetic particles held by the magnetic member. Each of the plurality of superparamagnetic particles is formed with a particle size which is set at least such that a Neel relaxation time ?n in the each of the superparamagnetic particles becomes shorter than a cycle P of an alternating current magnetic field applied to the magnetic member (?n<P) when the magnetic member is used as an electronic component.
    Type: Application
    Filed: November 9, 2010
    Publication date: September 13, 2012
    Applicant: FERROTEC CORPORATION
    Inventors: Yasutake Hirota, Kenichi Katsuma, Masakake Hirooka, Takayuki Hachida