Patents by Inventor Fumiki Warasawa

Fumiki Warasawa 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).

  • System, method and program product for authenticating an e-mail and/or attachment
    Patent number: 8055729
    Abstract: A system, method and program product for authenticating an e-mail. A user requests to register a visual signature image with a sending mail server, and in response, the sending mail server furnishes a first identifier to the user. Subsequently, the user requests the sending mail server to send an e-mail with the visual signature image and supplies the e-mail and first identifier to the sending mail server. In response, the sending mail server validates the first identifier, and sends the e-mail with a second identifier to a receiving mail server. In response, the receiving mail server validates the second identifier. The second identifier identifies an addressee of the e-mail, and the receiving mail server validates the second identifier by comparing the addressee identified by the acceptance identifier to an addressee within the e-mail.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: November 8, 2011
    Assignee: International Business Machines Corporation
    Inventor: Fumiki Warasawa
  • System, method and program product for authenticating an e-mail and/or attachment
    Publication number: 20050015457
    Abstract: A system, method and program product for authenticating an e-mail. A user requests to register a visual signature image with a sending mail server, and in response, the sending mail server furnishes a first identifier to the user. Subsequently, the user requests the sending mail server to send an e-mail with the visual signature image and supplies the e-mail and first identifier to the sending mail server. In response, the sending mail server validates the first identifier, and sends the e-mail with a second identifier to a receiving mail server. In response, the receiving mail server validates the second identifier. The second identifier identifies an addressee of the e-mail, and the receiving mail server validates the second identifier by comparing the addressee identified by the acceptance identifier to an addressee within the e-mail.
    Type: Application
    Filed: May 21, 2004
    Publication date: January 20, 2005
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: Fumiki Warasawa