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  • 13
    Patents and Applications Complex lighting apparatus using bi-facial solar cell (solar streetlight)
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  • 12
    Patents and Applications Road sign using bi-facial solar cell (registered)
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  • 11
    Patents and Applications Signpost using bi-facial solar cell (registered)
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  • 10
    Patents and Applications Solar cell panel structure and signboard device using the same (registered)
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  • 9
    Patents and Applications Sign board incorporated with terminal box using solar cell module (non-slip)
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  • 8
    Utility Patents Solar cell light-emitting system capable of color control in response to remote control signal (util…
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  • 7
    Utility Patents Solar cell lamination system (utility patent)
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  • 6
    Utility Patents Light emitting device reinforced side radiation with solar cell (utility patent)
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  • 5
    Design Patents Solar lighting (2020)
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  • 4
    Design Patents Road stud (2021)
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  • 3
    Design Patents Solar information board (2 glass type posts)
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  • 2
    Design Patents Road railing (Designed road railing used in Hyung Jin Land)
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