TREA

Yoshimi Masuda

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball bearing and head positioning apparatus
    • Patent number 5,199,799
    • Issue date Apr 6, 1993
    • International Business Machines Corporation
    • Yoshimi Masuda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...