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Masashi Maruta

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  • Nagano-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double-sided polishing apparatus
    • Patent number 11,883,924
    • Issue date Jan 30, 2024
    • Fujikoshi Machinery Corp.
    • Masashi Maruta
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Double-side polishing apparatus
    • Patent number 7,614,934
    • Issue date Nov 10, 2009
    • Fujikoshi Machinery Corp.
    • Susumu Onishi
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    Double-Sided Polishing Apparatus
    • Publication number 20230415298
    • Publication date Dec 28, 2023
    • Fujikoshi Machinery Corp.
    • Masashi MARUTA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    Double-side polishing apparatus
    • Publication number 20080227371
    • Publication date Sep 18, 2008
    • Fujikoshi Machinery Corp.
    • Susumu Onishi
    • B24 - GRINDING POLISHING