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Chiharu Takahashi

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  • Isehara-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photonic crystal waveguide
    • Patent number 6,643,439
    • Issue date Nov 4, 2003
    • Nippon Telegraph and Telephone Corporation
    • Masaya Notomi
    • B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

  • Information Patent Application

    Photonic crystal waveguide
    • Publication number 20020118941
    • Publication date Aug 29, 2002
    • Masaya Notomi
    • B82 - NANO-TECHNOLOGY