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Rika Narumi

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Surface lighting device
    • Patent number 6,595,652
    • Issue date Jul 22, 2003
    • International Manufacturing and Engineering Services Co., Ltd.
    • Masaharu Oda
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Surface lighting device
    • Publication number 20030063234
    • Publication date Apr 3, 2003
    • Masaharu Oda
    • G02 - OPTICS
  • Information Patent Application

    Surface lighting device
    • Publication number 20020105793
    • Publication date Aug 8, 2002
    • Masaharu Oda
    • G02 - OPTICS