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Hiroshi Oyaizu

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas spring
    • Patent number 5,961,102
    • Issue date Oct 5, 1999
    • Showa Corproration
    • Hiroshi Oyaizu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas spring
    • Patent number 5,823,512
    • Issue date Oct 20, 1998
    • Showa Corporation
    • Hiroshi Oyaizu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas spring
    • Patent number 5,797,593
    • Issue date Aug 25, 1998
    • Showa Coporation
    • Hiroshi Oyaizu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...