Patents by Inventor Hiroo Kitsu

Hiroo Kitsu 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).

  • Data protection circuit
    Patent number: 5396471
    Abstract: A data protection circuit includes an address detection circuit latch circuit and replacing circuit. The address detection circuit,detects that an address signal for designating an address of a semiconductor memory has designated a specified address. The latch circuit latches a detection output of the address detection circuit. The replacing circuit replaces at least one bit of the address signal by readout data of the semiconductor memory in response to a latch output of the latch circuit.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: March 7, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Hiroo Kitsu