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Yoshio Hiraga

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Boot mounting structure and method of mounting boot
    • Patent number 6,443,845
    • Issue date Sep 3, 2002
    • Showa Corporation
    • Yoshio Hiraga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sealing apparatus and universal joint using the same
    • Patent number 6,443,461
    • Issue date Sep 3, 2002
    • Snowa Corporation
    • Yoshio Hiraga
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Universal joint
    • Patent number 6,293,873
    • Issue date Sep 25, 2001
    • Showa Corporation
    • Kazuhiro Iwano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...