Patents Assigned to Osamu Tanaka
  • Patent number: 4290070
    Abstract: An antenna including a first elongated magnetic member having at least one diamagnetic portion and a first magnetic pole orientation, a second elongated magnetic member having at least one diamagnetic portion and a second magnetic pole orientation opposite to the first magnetic pole orientation and provided adjacent and parallel to first elongated magnetic member, a pair of third elongated magnetic members connecting the ends of the first and second elongated members to form a magnetic loop and a coil wound on each of the first and second elongated magnetic members.
    Type: Grant
    Filed: September 25, 1979
    Date of Patent: September 15, 1981
    Assignee: Osamu Tanaka
    Inventors: Osamu Tanaka, Nobuo Nakano, Toyoaki Fukui