Patents by Inventor Mitsumasa Date

Mitsumasa Date 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).

  • Authentication system and authentication method
    Patent number: 9225523
    Abstract: In order to prevent leakage of an authentication symbol string such as a credit card number, and enable a user to be authenticated: an ID issuance server 20 receives the first eight digits of the credit card number from a portable telephone device 10 of the user and issues a one-time ID to the portable telephone device 10; and a service provision server 30 receives the last eight digits of the credit card number and the one-time ID from a PC 11, and transmits the one-time ID and those last eight digits to a number construction and authentication processing server 40 that receives the one-time ID and the last eight digits from the service provision server 30, communicates with the ID issuance server 20 and acquires the first eight digits which correspond to the one-time ID, reconstructs the credit card number, and performs authentication.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: December 29, 2015
    Assignee: Safety Angle Inc.
    Inventors: Masayuki Itoi, Mitsumasa Date
  • Authentication System and Authentication Method
    Publication number: 20130018797
    Abstract: In order to prevent leakage of an authentication symbol string such as a credit card number, and enable a user to be authenticated: an ID issuance server 20 receives the first eight digits of the credit card number from a portable telephone device 10 of the user and issues a one-time ID to the portable telephone device 10; and a service provision server 30 receives the last eight digits of the credit card number and the one-time ID from a PC 11, and transmits the one-time ID and those last eight digits to a number construction and authentication processing server 40 that receives the one-time ID and the last eight digits from the service provision server 30, communicates with the ID issuance server 20 and acquires the first eight digits which correspond to the one-time ID, reconstructs the credit card number, and performs authentication.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 17, 2013
    Applicant: Safety Angle Inc.
    Inventors: Masayuki Itoi, Mitsumasa Date
  • Authentication system and authentication method
    Patent number: 8290875
    Abstract: In order appropriately to prevent leakage of an authentication symbol string such as a credit card number, and for it to be possible for a user to be authenticated as a legitimate user: an ID issuance server 20 receives the first eight digits of the credit card number from a portable telephone device 10 of the user and issues a one-time ID to the portable telephone device 10; a service provision server 30 receives the last eight digits of the credit card number and the one-time ID from a PC 11, and transmits the one-time ID and those last eight digits to a number construction and authentication processing server 40; and the number construction and authentication processing server 40 receives the one-time ID and the last eight digits from the service provision server 30, communicates with the ID issuance server 20 and acquires the first eight digits which correspond to the one-time ID, reconstructs the credit card number, and performs authentication with the credit card number.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: October 16, 2012
    Assignee: Safety Angle Inc.
    Inventors: Masayuki Itoi, Mitsumasa Date
  • AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD
    Publication number: 20100017334
    Abstract: In order appropriately to prevent leakage of an authentication symbol string such as a credit card number, and for it to be possible for a user to be authenticated as a legitimate user: an ID issuance server 20 receives the first eight digits of the credit card number from a portable telephone device 10 of the user and issues a one-time ID to the portable telephone device 10; a service provision server 30 receives the last eight digits of the credit card number and the one-time ID from a PC 11, and transmits the one-time ID and those last eight digits to a number construction and authentication processing server 40; and the number construction and authentication processing server 40 receives the one-time ID and the last eight digits from the service provision server 30, communicates with the ID issuance server 20 and acquires the first eight digits which correspond to the one-time ID, reconstructs the credit card number, and performs authentication with the credit card number.
    Type: Application
    Filed: April 17, 2009
    Publication date: January 21, 2010
    Inventors: MASAYUKI ITOI, MITSUMASA DATE