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Ryoichi Shibata

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  • Habikino-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reading method of screw rotation angle of hand-held impact wrench,...
    • Patent number 6,546,815
    • Issue date Apr 15, 2003
    • Kuken Co., Ltd.
    • Masakazu Yamada
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact wrench
    • Patent number 4,557,337
    • Issue date Dec 10, 1985
    • Katushiki Kiisha Kuken
    • Ryoichi Shibata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact wrench
    • Patent number 4,460,049
    • Issue date Jul 17, 1984
    • Kabushiki Kaisha Kuken
    • Ryoichi Shibata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents