Patents by Inventor Yuji Sano

Yuji Sano 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 calculator
    Patent number: 4064398
    Abstract: An electronic calculator includes input means for entering numeric data, and means for discriminating between the integral and the fractional part of a mixed fraction entered by said input means. According to the electronic calculator numeric data can be entered in accordance with the fractional expression.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: December 20, 1977
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jyuji Kishimoto, Ichiro Sado, Yuji Sano