Patents by Inventor Ayako KANEDA

Ayako KANEDA 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: 20110115599
    Abstract: The present invention provides an inductor having high DC bias characteristics using a Fe alloy core and provides a method for manufacturing the same. The present invention relates to a wire-wound inductor which includes: a wire-wound inductor core obtained by grinding a compression molded mixed magnetic material powder including magnetic substance powder mixed with binder; and a metal conductive wire wound around a groove section of the wire-wound inductor core. For example, the magnetic substance powder has content ratio of 4 to 13 wt % of Si; 4 to 7 wt % of Al; the balance Fe; and unavoidable impurity. The magnetic substance powder has particle diameter distribution in which equal to or greater than 90% of the magnetic substance powder has particle diameter equal to or lower than 75 ?m.
    Type: Application
    Filed: April 25, 2008
    Publication date: May 19, 2011
    Applicant: TOHO ZINC CO., LTD.
    Inventors: Etsuo Otsuki, Ayako Kaneda
  • Publication number: 20110024670
    Abstract: Certain embodiments provide a composite magnetic material for an inductor, wherein a non-magnetic material contains a first binder as a compacting additive, and is added to and mixed with the soft magnetic metal powder, and a second binder that is impregnated to a compact as a binder after the heat treatment of the compact obtained by adding the first binder to the soft magnetic metal powder and compacting it, and the soft magnetic metal powder contains 40% by mass or more (including 100%) of spherical particles of which the ratio L2/L1 between a perimeter L1 of a particle cross-section in the two dimensional plane view and a perimeter L2 of a circle having equivalent cross-sectional area is 0.5 or more.
    Type: Application
    Filed: October 13, 2010
    Publication date: February 3, 2011
    Applicant: TOHO ZINC CO., LTD.
    Inventors: Etsuo OTSUKI, Ayako KANEDA