Patents by Inventor Makiko Kohro

Makiko Kohro 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).

  • Magnetic reproducing head having a magnetoresistive effect
    Patent number: 6282067
    Abstract: A magnetoresistive effect element 5 is physically configured such that the element width is at least three times as large as the element height. A plurality of domain control layers 11 to 13 are located between the magnetoresistive effect element 5 and a plurality of detecting electrodes 8 to 10 in a state that the domain control layers 11 to 13 are closely formed on the magnetoresistive effect element 5. Each of the domain control layers 11 to 13 applies a unidirectional magnetic field to a region of the magnetoresistive effect element 5 vertically disposed in a guard band of the magnetic recording medium 4, the guard band having no information recorded therein. The unidirectional magnetic field is directed in an orientation of an initial magnetization in a single magnetoresistive effect element, the orientation of which depends on a direction of on an easy axis of the magnetoresistive effect element 5.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: August 28, 2001
    Assignees: Nippon Hoso Kyokai, Pioneer Corporation
    Inventors: Kenji Machida, Naoto Hayashi, Yoshiro Yoneda, Junji Numazawa, Makiko Kohro, Takahisa Tanabe, Shinichi Nagahara