Patents Assigned to Good Game Limited Responsibility Company
  • Game cards for playing a game and for learning arithmetic
    Patent number: 5242171
    Abstract: A set of game cards includes a plurality of first cards respectively indicating each number from 1 to 9, and a plurality of second cards each indicating a figure generated by multiplying together figures, respectively indicated on arbitrary first cards. Thus, the game cards help players learn multiplication tables when they are used.
    Type: Grant
    Filed: January 6, 1992
    Date of Patent: September 7, 1993
    Assignee: Good Game Limited Responsibility Company
    Inventor: Hidefumi Hata