Patents by Inventor Tomomi Haruna

Tomomi Haruna 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).

  • Certification method and device and certificate issuer system
    Patent number: 7317546
    Abstract: When a certificate is to be printed on a certificate form having a microchip built therein, an applicant for applying for the certificate sends microchip ID to a certificate issuer, and the certificate issuer stores certificate data in association with the microchip ID in an issue management database of the certificate issuer. When the certificate is to be verified, a certificate verifier sends the microchip ID built in the certificate to the certificate issuer, and in response to it, the certificate issuer sends the certificate data, which is registered in the certificate database in association with the microchip ID, to the certificate verifier. Certificate can be printed out by a print terminal at home or the like.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: January 8, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Tomomi Haruna, Yoshiisa Inoue, Shigeyuki Ito
  • Certification method and device and certificate issuer system
    Publication number: 20020012133
    Abstract: When a certificate is to be printed on a certificate form having a microchip built therein, an applicant for applying for the certificate sends microchip ID to a certificate issuer, and the certificate issuer stores certificate data in association with the microchip ID in an issue management database of the certificate issuer. When the certificate is to be verified, a certificate verifier sends the microchip ID built in the certificate to the certificate issuer, and in response to it, the certificate issuer sends the certificate data, which is registered in the certificate database in association with the microchip ID, to the certificate verifier. Certificate can be printed out by a print terminal at home or the like.
    Type: Application
    Filed: July 27, 2001
    Publication date: January 31, 2002
    Inventors: Tomomi Haruna, Yoshiisa Inoue, Shigeyuki Ito