Patents by Inventor Yutaka Soda

Yutaka Soda 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).

  • Patent number: 4642716
    Abstract: A magnetic transducer head assembly having a support member in which a magnetic transducer head mounting portion, an integrated circuit element mounting portion and a plurality of lead terminals are supported to be a unitary body by a resin mold, a multichannel magnetic transducer head element mounted on the magnetic transducer head mounting portion, an integrated circuit element mounted on the integrated circuit element mounting portion which integrated circuit element includes a reproducing or recording circuit for the magnetic transducer head element, and wiring for carrying out a predetermined electric connection between the integrated circuit element and the lead terminals.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: February 10, 1987
    Assignee: Sony Corporation
    Inventors: Noboru Wakabayashi, Katsuhiko Akiyama, Yutaka Soda, Hiroyuki Uchida
  • Patent number: 4524401
    Abstract: A magnetic transducer head utilizing a thin film magneto-resistance effect element is disclosed in which the amount of a DC bias magnetic field is so selected that only the end portion of the thin film magneto-resistance effect element serving as a contact surface with a magnetic medium is effectively given with sensitivity and the element is saturated in the vicinity of its central portion in its width direction.
    Type: Grant
    Filed: December 22, 1981
    Date of Patent: June 18, 1985
    Assignee: Sony Corporation
    Inventors: Hiroyuki Uchida, Takehiro Nagaki, Shigeyoshi Imakoshi, Yutaka Soda, Junkichi Sugita, Tetsuo Sekiya
  • Patent number: 4516179
    Abstract: A magnetic transducer head utilizing magnetoresistance effect is disclosed which includes a thin film magnetoresistance effect element held between, first and second substrates, at least one of the first and second substrates being formed of an electrically conductive material, and a biasing means for the magnetoresistance effect element to satisfy a potential relation V.sub.MR -V.sub.S .ltoreq.0.2 volt, wherein V.sub.MR is a potential of the magnetoresistance effect element, and V.sub.S is a potential of the conductive substrate.
    Type: Grant
    Filed: August 13, 1982
    Date of Patent: May 7, 1985
    Assignee: Sony Corporation
    Inventors: Shigeyoshi Imakoshi, Yutaka Soda, Hiroyuki Uchida, Junkichi Sugita, Hiroshi Takino, Tetsuo Sekiya, Hideo Suyama