Patents by Inventor Chizuru Ohshima

Chizuru Ohshima 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).

  • Magneto-resistance effect head with insulated bias conductor embedded in shield groove
    Patent number: 5867350
    Abstract: A magneto-resistance effect magnetic head having a uniform bias distribution and adapted for avoiding shorting between a magneto-resistance device and a bias conductor wherein a magneto-resistance device 5 and a bias conductor 6 for applying a bias magnetic field to the magneto-resistance device 5 are interposed between a lower shielding magnetic member 1 and an upper shielding magnetic member 2. The bias conductor is embedded in a groove formed in the shielding magnetic member provided on the opposite side of forward and rear electrodes with respect to the magneto-resistance effect device.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: February 2, 1999
    Assignee: Sony Corporation
    Inventors: Shuichi Haga, Mamoru Sasaki, Hideo Suyama, Nobuhiro Sugawara, Akio Takada, Mikiya Kurosu, Chizuru Ohshima