Patents by Inventor Ryuhei Masuno

Ryuhei Masuno 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).

  • Method for protecting secret information in a system for reporting an emergency when secret information is accessed
    Patent number: 8577807
    Abstract: Disclosed are protection of secret information in a system for reporting an emergency such as theft or confinement when secret information is accessed. Secret information includes a large quantity of data and a piece/pieces of true and correct data mixed into the data. The secret data including the data and the true and correct data is two-dimensional code data the code of which is composed of groups of cells having different areas. The positions and order of storage of the true and correct data dispersedly mixed in the data are determined and reported to the user. The user adds a predetermined alerting signal when inputting the password to tell that the user is under control of a third party. The system can detect the alerting signal and know that the user is in an abnormal state, performs normal identification procedures, and takes protection/preservation measures. Part of data is specified as confinement report data and added to the true and correct data.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: November 5, 2013
    Assignee: Mnemonic Security Limited
    Inventors: Hitoshi Kokumai, Ryuhei Masuno, Masayuki Kuriyama
  • Mutual for reporting a theft in an authentication system
    Publication number: 20090328162
    Abstract: Disclosed are protection of secret information including an encryption key and a system for reporting an emergency such as theft or confinement when secret information is accessed. Secret information includes a large quantity of decoy data and a piece/pieces of true and correct data mixed into the decoy data. The secret data including the decoy data and the true and correct data is two-dimensional code data the code of which is composed of groups of cells having different areas. The positions and order of storage of the true and correct data dispersedly mixed in the decoy data are determined and reported to the user. The user adds a predetermined alerting signal when inputting the password to tell that the user is under control of a third party. The system can detect the alerting signal and know that the user is in an abnormal state, performs normal identification procedures, and takes protection/preservation measures.
    Type: Application
    Filed: March 30, 2007
    Publication date: December 31, 2009
    Inventors: Hitoshi Kokumai, Ryuhei Masuno, Masayuki Kuriyama
  • Secret information record medium, secret information protection method, secret information protective storing method, and system for reporting emergency such as theft or confinement when secret information is accessed
    Publication number: 20040053654
    Abstract: Disclosed are protection of secret information including an encryption key and a system for reporting an emergency such as theft or confinement when secret information is accessed. Secret information includes a large quantity of decoy data and a piece/pieces of true and correct data mixed into the decoy data. The secret data including the decoy data and the true and correct data is two-dimensional code data the code of which is composed of groups of cells having different areas. The positions and order of storage of the true and correct data dispersedly mixed in the decoy data are determined and reported to the user. The user adds a predetermined alerting signal when inputting the password to tell that the user is under control of a third party. The system can detect the alerting signal and know that the user is in an abnormal state, performs normal identification procedures, and takes protection/preservation measures.
    Type: Application
    Filed: January 24, 2003
    Publication date: March 18, 2004
    Inventors: Hitoshi Kokumai, Ryuhei Masuno, Masayuki Kuriyama