Patents by Inventor Yoshio Kassai

Yoshio Kassai 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).

  • Interface circuit for programmed controller
    Patent number: 4706214
    Abstract: An interface circuit for a programmed controller disposed between the CPU of the programmed controller and an input/output unit includes eight N.times. 1-bit RAMs with simultaneous operating switching circuits for accessing the RAMs in parallel by the input/output unit and with sequential operating selecting circuits for accessing the RAMs serially by the CPU, whereby the interfacing process is sped up.
    Type: Grant
    Filed: June 21, 1984
    Date of Patent: November 10, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Yoshio Kassai