TREA

Ryo Terai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spectacle lens edging method
    • Patent number 8,216,024
    • Issue date Jul 10, 2012
    • Hoya Corporation
    • Akira Hamanaka
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    SPECTACLE LENS EDGING METHOD
    • Publication number 20100105293
    • Publication date Apr 29, 2010
    • Akira Hamanaka
    • B24 - GRINDING POLISHING