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Masao Yoshida

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polishing apparatus
    • Patent number 7,063,600
    • Issue date Jun 20, 2006
    • Ebara Corporation
    • Masao Yoshida
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Polishing apparatus
    • Patent number 6,929,529
    • Issue date Aug 16, 2005
    • Ebara Corporation
    • Masao Yoshida
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Polishing apparatus
    • Patent number 6,293,855
    • Issue date Sep 25, 2001
    • Ebara Corporation
    • Masao Yoshida
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Forming a simulated halftone picture
    • Patent number 4,618,523
    • Issue date Oct 21, 1986
    • Kabushiki Gaisha Waizen
    • Masao Yoshida
    • B44 - DECORATIVE ARTS

Patents Applicationslast 30 patents