TREA

Kazuhiko Arai

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  • Chiba-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polishing fixture
    • Patent number 7,165,894
    • Issue date Jan 23, 2007
    • Seikoh Giken Co., Ltd.
    • Kazuhiko Arai
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    End face polishing apparatus
    • Patent number 7,118,291
    • Issue date Oct 10, 2006
    • Seikoh Giken Co., Ltd.
    • Kazuhiko Arai
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    End face polishing apparatus
    • Patent number 6,736,551
    • Issue date May 18, 2004
    • Seiko Instruments Inc.
    • Kazuhiko Arai
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    End face polishing apparatus
    • Publication number 20040171332
    • Publication date Sep 2, 2004
    • Seiko Instruments Inc.
    • Kazuhiko Arai
    • B24 - GRINDING POLISHING
  • Information Patent Application

    End face polishing apparatus
    • Publication number 20040171336
    • Publication date Sep 2, 2004
    • Seiko Instruments Inc.
    • Kazuhiko Arai
    • B24 - GRINDING POLISHING
  • Information Patent Application

    End face polishing apparatus
    • Publication number 20030045216
    • Publication date Mar 6, 2003
    • Kazuhiko Arai
    • B24 - GRINDING POLISHING