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Syumei Tokuyama

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical spectrum slicer
    • Patent number 6,628,448
    • Issue date Sep 30, 2003
    • Moritex Corporation
    • Yoshihiro Ohtsuka
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical spectrum slicer
    • Publication number 20020048074
    • Publication date Apr 25, 2002
    • MORITEX CORPORATION
    • Yoshihiro Ohtsuka
    • G02 - OPTICS