Patents by Inventor Masahide NARIMATSU

Masahide NARIMATSU 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).

  • Patent number: 9855502
    Abstract: To enable prevention of reading and running of a game program in an illegitimate storage medium, the disclosed slot machine includes: an SSD device including a flash memory configured to store a game program for running a game and an authentication program including an authentication key, which authenticates the game program; and a memory controller SD23 having a reference key corresponding to the authentication key, which is configured to control the storage area, and a CPU core, wherein the CPU core executes the steps of: (A) executing the authentication program in which the reference key is retrieved from the memory controller to determine whether the authentication key matches with the reference key, and if the authentication key matches with the reference key, the game program is authenticated by the authentication program; (B) starting a game by running the game program when the game program is authenticated in the step (A).
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: January 2, 2018
    Assignees: Universal Entertainment Corporation, Aruze Gaming America, Inc.
    Inventors: Hiroatsu Ike, Masahide Narimatsu, Shinya Hashizume
  • Publication number: 20160089607
    Abstract: To enable prevention of reading and running of a game program in an illegitimate storage medium, the disclosed slot machine includes: an SSD device including a flash memory configured to store a game program for running a game and an authentication program including an authentication key, which authenticates the game program; and a memory controller SD23 having a reference key corresponding to the authentication key, which is configured to control the storage area, and a CPU core, wherein the CPU core executes the steps of: (A) executing the authentication program in which the reference key is retrieved from the memory controller to determine whether the authentication key matches with the reference key, and if the authentication key matches with the reference key, the game program is authenticated by the authentication program; (B) starting a game by running the game program when the game program is authenticated in the step (A).
    Type: Application
    Filed: September 22, 2015
    Publication date: March 31, 2016
    Inventors: Hiroatsu IKE, Masahide NARIMATSU, Shinya HASHIZUME