Patents by Inventor Sigeru Toyomura

Sigeru Toyomura 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).

  • Electronic apparatus for dealing with numerical information
    Patent number: 4164789
    Abstract: A calculator provided with a key for entering decimal point data and a memory device for storing data therein is disclosed. Such calculator has a control device responsive to the operation of the key for entering decimal point data to cause the memory device to store a plurality of decimal point data. The stored decimal point data is then visualized.
    Type: Grant
    Filed: January 6, 1978
    Date of Patent: August 14, 1979
    Assignee: Canon Kabushiki Kaisha
    Inventors: Sigeru Toyomura, Tsuyoshi Kawanabe