TREA

Kenichi Shigeta

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polishing apparatus
    • Patent number 6,997,778
    • Issue date Feb 14, 2006
    • Ebara Corporation
    • Koji Ono
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Polishing apparatus
    • Patent number 6,835,116
    • Issue date Dec 28, 2004
    • Ebara Corporation
    • Shozo Oguri
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Polishing apparatus
    • Patent number 6,634,924
    • Issue date Oct 21, 2003
    • Ebara Corporation
    • Koji Ono
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Apparatus and method for polishing workpiece
    • Patent number 6,354,918
    • Issue date Mar 12, 2002
    • Ebara Corporation
    • Tetsuji Togawa
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Polishing apparatus
    • Patent number 6,036,582
    • Issue date Mar 14, 2000
    • Ebara Corporation
    • Hideo Aizawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Polishing apparatus
    • Publication number 20040033761
    • Publication date Feb 19, 2004
    • Koji Ono
    • B24 - GRINDING POLISHING
  • Information Patent Application

    Polishing apparatus
    • Publication number 20010012749
    • Publication date Aug 9, 2001
    • Shozo Oguri
    • B24 - GRINDING POLISHING