Patents by Inventor Hiromichi Takano

Hiromichi Takano 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 for mounting magnetic plate to disc substrate
    Patent number: 5572509
    Abstract: A method for mounting a magnetic plate on a disc substrate. The method includes the steps of placing the magnetic plate within a housing recess formed in the disc substrate, abutting a horn of an ultrasonic wave generating unit generating torsional vibrations on a rim of the housing recess of the disc substrate under application of a predetermined pressure, and ultrasonically forming a protrusion directed towards an inner space of said housing recess for mounting the magnetic plate on the disc substrate by protrusion.
    Type: Grant
    Filed: February 16, 1995
    Date of Patent: November 5, 1996
    Assignee: Sony Corporation
    Inventors: Daiki Kobayashi, Hiromichi Takano