Kenji Yamamoto

Person

  • Taito-ku, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Slot machine

    • Patent number 5,813,511
    • Issue date Sep 29, 1998
    • Kabushiki Kaisha Ace Denken
    • Takatoshi Takemoto
    • G07 - CHECKING-DEVICES