TREA

Masamichi Takeuchi

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Radial ball bearing having a curved chamfer between a raceway groov...
    • Patent number 5,051,004
    • Issue date Sep 24, 1991
    • Koyo Seiko Co., Ltd.
    • Masamichi Takeuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Radial roller bearing
    • Patent number 5,007,747
    • Issue date Apr 16, 1991
    • Koyo Seiko Co., Ltd.
    • Masamichi Takeuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bearing
    • Patent number 4,792,243
    • Issue date Dec 20, 1988
    • Koyo Seiko Co., Ltd.
    • Masamichi Takeuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...