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Akihiko Tanaka

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  • Fujisawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device for a rolling bearing
    • Patent number 4,505,484
    • Issue date Mar 19, 1985
    • Nippon Seiko Kabushiki Kaisha
    • Takeo Ohkuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch release device
    • Patent number 4,344,517
    • Issue date Aug 17, 1982
    • Nippon Seiko Kabushiki Kaisha
    • Takeshi Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bearing apparatus for gear type power transmission system
    • Patent number 4,309,916
    • Issue date Jan 12, 1982
    • Nippon Seiko Kabushiki Kaisha
    • Takeo Ohkuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...