TREA

Yoshinori Harada

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Communicative game system
    • Patent number 6,306,039
    • Issue date Oct 23, 2001
    • Kabushiki Kaisha Sega Enterprises
    • Toshiyuki Kaji
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Communicative game system
    • Patent number 6,183,367
    • Issue date Feb 6, 2001
    • Kabushiki Kaisha Sega Enterprises
    • Toshiyuki Kaji
    • A63 - SPORTS GAMES AMUSEMENTS