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Akira Imada

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  • Kitakatsuragigun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Universal joint
    • Patent number 4,166,366
    • Issue date Sep 4, 1979
    • Koyo Seiko Company Limited
    • Hiroji Okuda
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...