Patents by Inventor Nobukatsu Inaba

Nobukatsu Inaba 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).

  • Filler for electromagnetic filters
    Patent number: 4462906
    Abstract: Disclosed is a filler for electromagnetic filters comprising a spiral magnetic material having an aperture in its center, an outer ring surrounding the spiral magnetic material and having a thickness greater than that of said spiral magnetic material, and a woolly magnetic material mounted in the internal space of the outer ring bounded by the upper edge of the spiral magnetic material and the inside surface of the outer ring.Also disclosed is an assembly of fillers for electromagnetic filters comprising a plurality of such fillers stacked and held together by means of a shaft extending through the central apertures of the spiral magnetic materials.
    Type: Grant
    Filed: December 14, 1982
    Date of Patent: July 31, 1984
    Assignee: Japan Organo Co., Ltd.
    Inventors: Nobukatsu Inaba, Satoshi Yoshida