TREA

Koichi Okada

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  • Toyooka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Controlled radial magnetic bearing device
    • Patent number 4,686,404
    • Issue date Aug 11, 1987
    • NTN Toyo Bearing Co., Ltd.
    • Tsugito Nakazeki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...