TREA

Hiroshi Yamada

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  • Mie, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball screw for vacuum apparatus
    • Patent number 5,782,135
    • Issue date Jul 21, 1998
    • NTN Corporation
    • Hiromitsu Kondo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling bearing with solid lubricant
    • Patent number 5,222,816
    • Issue date Jun 29, 1993
    • NTN Corporation
    • Hiromitsu Kondoh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bearing race member and method of fabrication
    • Patent number 4,992,111
    • Issue date Feb 12, 1991
    • NTN Corporation
    • Hiroshi Yamada
    • C21 - METALLURGY OF IRON