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Masaharu Shirasawa

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coin supply device for coin-operated gaming machine
    • Patent number 5,355,988
    • Issue date Oct 18, 1994
    • Kabushiki Kaisha Universal
    • Masaharu Shirasawa
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin lifting device
    • Patent number 4,902,263
    • Issue date Feb 20, 1990
    • Kabushiki Kaisha Universal
    • Tsuyoshi Ito
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin dispenser
    • Patent number 4,810,230
    • Issue date Mar 7, 1989
    • Universal Co., Ltd.
    • Masaharu Shirasawa
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Handle control for a slot machine
    • Patent number 4,802,380
    • Issue date Feb 7, 1989
    • Kabushiki Kaisha Universal
    • Masaharu Shirasawa
    • G07 - CHECKING-DEVICES