TREA

Heiji Niiyama

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  • Tokyo, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    SELF-GENERATED LIGHTING DEVICE
    • Publication number 20190189695
    • Publication date Jun 20, 2019
    • Heiji NIIYAMA
    • G02 - OPTICS
  • Information Patent Application

    SELF-GENERATED LIGHTING FIXTURE
    • Publication number 20190178456
    • Publication date Jun 13, 2019
    • Heiji NIIYAMA
    • F21 - LIGHTING
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20110149578
    • Publication date Jun 23, 2011
    • Heiji Niiyama
    • F21 - LIGHTING