Patents by Inventor Koji Ikeshita

Koji Ikeshita 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).

  • Head position controlling circuit for disk unit including servo head selection
    Patent number: 5053897
    Abstract: A head position controlling circuit for a disk unit, which includes a timer for enabling periodical detection of differences of respective heads from a reference position, a memory for storing the detected differences, a reference head selected from the heads, and a device for reading the differences from the memory when a certain head is specified for access and computing a difference between differences of the specified head and the reference head for making correction to the head position.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: October 1, 1991
    Assignee: Mitsubishi Denki K.K.
    Inventor: Koji Ikeshita