Ichirou Ishikawa

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Vocal game apparatus

    • Patent number 4,770,416
    • Issue date Sep 13, 1988
    • Tomy Kogyo Co., Inc.
    • Yousuke Shimizu
    • A63 - SPORTS GAMES AMUSEMENTS