Patents by Inventor Keiichi Yanagiya

Keiichi Yanagiya 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 recording/reproducing apparatus
    Patent number: 5359470
    Abstract: In a magnetic recording/reproducing apparatus data is recorded in the trailing portion of an area erased by an erase magnetic head, thereby surely extracting a regenerative clock at the reproducing time so that the operation of a regenerative clock system can be stabilized.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: October 25, 1994
    Assignee: Sony Corporation
    Inventors: Keiichi Taguchi, Satoshi Goto, Masaharu Yanaga, Yoshihiro Fujimoto, Keiichi Yanagiya