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Reiko Kojima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slant short-period grating
    • Patent number 6,836,418
    • Issue date Dec 28, 2004
    • Fujikura Ltd.
    • Akira Sakamoto
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Slant short-period grating
    • Publication number 20030142912
    • Publication date Jul 31, 2003
    • Akira Sakamoto
    • G02 - OPTICS