TREA

Atsushi Yamashita

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  • Fukuroi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retainer for roller bearing and method for manufacturing the same
    • Patent number 6,039,475
    • Issue date Mar 21, 2000
    • NTN Corporation
    • Taichiro Furukawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cage for roller bearings and method for manufacturing the same
    • Patent number 5,862,592
    • Issue date Jan 26, 1999
    • NTN Corporation
    • Kazuyoshi Harimoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Retainer for needle roller bearing
    • Patent number 5,647,674
    • Issue date Jul 15, 1997
    • NTN Corporation
    • Izumi Ohashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cage for roller bearings
    • Patent number 5,528,706
    • Issue date Jun 18, 1996
    • NTN Corporation
    • Kazuyoshi Harimoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Needle roller bearing
    • Patent number 5,324,119
    • Issue date Jun 28, 1994
    • NTN Corporation
    • Kazuyoshi Harimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...