Patents by Inventor Isao Yuneda

Isao Yuneda 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 and system for time-shift based rotational vibration sensing in disk drives
    Publication number: 20050270685
    Abstract: A method (and structure) senses a rotational vibration of a disk drive. The disk drive includes a rotating disk. The disk includes a plurality of reference bits across a surface thereof. The method (and structure) includes detecting the reference bits across a pattern on the rotating disk, and analyzing a time interval between adjacent ones of the reference bits.
    Type: Application
    Filed: August 10, 2005
    Publication date: December 8, 2005
    Applicant: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Hien Dang, Isao Yuneda, Tetsuo Ueda, Yuzo Nakagawa, Sri Sri-Jayantha