TREA

Toshihiko Matsushima

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  • Iwata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roller bearing
    • Patent number 5,615,956
    • Issue date Apr 1, 1997
    • NTN Corporation
    • Fumio Oba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller elements for roller bearing
    • Patent number 4,893,387
    • Issue date Jan 16, 1990
    • NTN Toyo Bearing Co., Ltd.
    • Yoshinobu Akamatsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...