TREA

Eiichi Katayama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Traction drive tool adapter
    • Patent number 5,033,921
    • Issue date Jul 23, 1991
    • Koyo Seiko Co., Ltd.
    • Shinji Yasuhara
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Speed-up spindle unit
    • Patent number 4,981,403
    • Issue date Jan 1, 1991
    • Showa Seiki Kabushiki Kaisha
    • Eiichi Katayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Traction drive spindle device
    • Patent number 4,960,405
    • Issue date Oct 2, 1990
    • Koyo Seiko Co., Ltd.
    • Eiichi Katayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR