Patents by Inventor Hiroaki Takeyasu

Hiroaki Takeyasu 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).

  • Sensitive information leakage prevention system, sensitive information leakage prevention method, and computer-readable recording medium
    Patent number: 9438629
    Abstract: A client device (100) determines whether or not access is allowed, based on security levels that are set for an application program and data held in a server device (200), and performs authentication with the server device (200) based on a challenge code generated using packet data from the application program. The server device (200), when the challenge code is transmitted thereto, transmits a preset response code to the client device (100), and permits access by the client device (100) if the server device (200) receives a set response to the response code from the client device (100).
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: September 6, 2016
    Assignee: NEC SOLUTION INNOVATORS, LTD.
    Inventor: Hiroaki Takeyasu
  • SENSITIVE INFORMATION LEAKAGE PREVENTION SYSTEM, SENSITIVE INFORMATION LEAKAGE PREVENTION METHOD, AND COMPUTER-READABLE RECORDING MEDIUM
    Publication number: 20140325684
    Abstract: A client device (100) determines whether or not access is allowed, based on security levels that are set for an application program and data held in a server device (200), and performs authentication with the server device (200) based on a challenge code generated using packet data from the application program. The server device (200), when the challenge code is transmitted thereto, transmits a preset response code to the client device (100), and permits access by the client device (100) if the server device (200) receives a set response to the response code from the client device (100).
    Type: Application
    Filed: October 4, 2012
    Publication date: October 30, 2014
    Applicant: NEC SOLUTIONS INNOVATORS, LTD.
    Inventor: Hiroaki Takeyasu