Patents by Inventor Itaru Tanimoto

Itaru Tanimoto 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-processing device including means to suppress the execution of unnecessary instructions
    Patent number: 4298933
    Abstract: A data processing device which may execute instructions in less time by suppressing the execution of certain instructions which may be unnecessary. The device includes a memory unit, a processing unit for carrying out logic and arithmetic operations and a bit accumulator for holding the result of the logic operation. For example, if the first input to an AND operation is zero, the remaining steps are unnecessary and may be suppressed.
    Type: Grant
    Filed: July 3, 1979
    Date of Patent: November 3, 1981
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Yoshiyuki Shimokawa, Itaru Tanimoto