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Martin Chu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical device
    • Patent number 6,728,041
    • Issue date Apr 27, 2004
    • Delta Electronics, Inc.
    • Sean Chang
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical device
    • Publication number 20030184871
    • Publication date Oct 2, 2003
    • Sean Chang
    • G02 - OPTICS