Patents by Inventor Yoshihiro Naganuma

Yoshihiro Naganuma 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).

  • Method of producing a magnetic material wire
    Patent number: 4606779
    Abstract: A magnetic material wire is composed of a core of magnetic material having a Curie point of 70.degree. to 250.degree. C. and a high conductive metal sheathing of a uniform thickness covering the core. The ratio of the metal sheathing to the wire in cross-section is in the range of 15 to 40%. There is also disclosed a method of producing such a wire.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: August 19, 1986
    Assignee: Fujikura Ltd.
    Inventors: Takashi Saito, Kazumoto Suzuki, Yoshihiro Naganuma
  • Magnetic material wire
    Patent number: 4525432
    Abstract: A magnetic material wire is composed of a core of magnetic material having a Curie point of 70.degree. to 250.degree. C. and a high conductive metal sheathing of a uniform thickness covering the core. The ratio of the metal sheathing to the wire in cross-section is in the range of 15 to 40%. There is also disclosed a method of producing such a wire.
    Type: Grant
    Filed: June 20, 1983
    Date of Patent: June 25, 1985
    Assignee: Fujikura Ltd.
    Inventors: Takashi Saito, Kazumoto Suzuki, Yoshihiro Naganuma