Toshikazu Nagai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Monitoring apparatus in game hall

    • Patent number 5,278,643
    • Issue date Jan 11, 1994
    • Kabushiki Kaisha Ace Denken
    • Takatoshi Takemoto
    • G07 - CHECKING-DEVICES