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Akio Aoki

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling bearing
    • Patent number 6,012,851
    • Issue date Jan 11, 2000
    • NSK Ltd.
    • Kiyoshi Hirakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller support device in molten metal plating bath
    • Patent number 5,954,880
    • Issue date Sep 21, 1999
    • NSK Ltd.
    • Akio Aoki
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Rolling bearing for use in molten metal
    • Patent number 5,520,467
    • Issue date May 28, 1996
    • NGK Ltd.
    • Katsuhiro Nojima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...