Patents Assigned to Toppan Label Co., Ltd.
  • IC card system for a game machine
    Patent number: 6616535
    Abstract: An IC card system for a game machine using an IC card includes a game token input device for inputting a game token onto the IC card based on the amount of money deposited. The IC card system also includes a game device that decreases the number of game tokens stored on the IC card when the IC card is used with the game device. The IC system also includes a totaling device that determines the number of tokens inputted by the game token input device and the number of tokens used by the game devices, at a particular location.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: September 9, 2003
    Assignees: Schlumberger Systems, Toppan Label Co., Ltd., Sega Enterprises, Ltd.
    Inventors: Tsutao Nishizaki, Shin Iwagami, Futoshi Itoh, Shingo Dote