Patents by Inventor Masayuki Ishizu

Masayuki Ishizu 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).

  • Auto-reverse tape recording and reproducing apparatus
    Patent number: 4603358
    Abstract: An auto-reverse tape recording and reproducing apparatus has a mode setting means for holding a tape running direction in normal mode or reverse mode, and this mode setting means is returned to the normal mode position in connection with the return movement of an operating means for playing, only when the mode setting is in the reverse mode position, and further this mode setting means is not displaced in connection with the forward movement of a mode change-over means when a base plate of a magnetic head is in the returned position, but is displaced in connection with the forward movement of the mode change-over means when the base plate of the head is in the forward position.
    Type: Grant
    Filed: June 18, 1985
    Date of Patent: July 29, 1986
    Assignee: Sony Corporation
    Inventors: Izumi Sakurai, Masao Tsuruoka, Masayuki Ishizu, Kiyoshi Ishige