Patents by Inventor Yasuo Izuyama

Yasuo Izuyama 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).

  • Patent number: 6830182
    Abstract: This invention aims to provide a magnetic head for a magnetic reader improved so that the data can be read out from the magnetic storage medium with high security, that is, without an anxiety that the data might be illegally read out and, even if the data is illegally read out, such illegally read out data can not be used by the illegal person. Here is disclosed a magnetic head of a magnetic card reader adapted to read out data stored on a magnetic card, comprising a core with a coil for sensing of the data stored on the card as analog signals, an A/D converter chip adapted to convert the analog signals to corresponding digital signals and a microprocessor adapted to encrypt the digital signals. The A/D converter chip and the microprocessor (IC) are fixed within a housing by means of a synthetic resin.
    Type: Grant
    Filed: February 11, 2003
    Date of Patent: December 14, 2004
    Assignee: CIS Eletronica Industria e Comercio Ltda.
    Inventor: Yasuo Izuyama
  • Publication number: 20030192948
    Abstract: This invention aims to provide a magnetic head for a magnetic reader improved so that the data can be read out from the magnetic storage medium with high security, that is, without an anxiety that the data might be illegally read out and, even if the data is illegally read out, such illegally read out data can not be used by the illegal person.
    Type: Application
    Filed: February 11, 2003
    Publication date: October 16, 2003
    Inventor: Yasuo Izuyama