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2021
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Invention
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Luminance measurement device that is implementable at low cost. A luminance measurement device th... |
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2020
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Invention
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Portable lighting device capable of adaptive power saving and brightness adjustment. According to... |
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2019
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Invention
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Portable lighting device capable of adaptive power saving and brightness adjustment. A portable l... |
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P/S
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Lights for vehicles; lighting apparatus for vehicles; lamps; Running lights for boats; Running li... |
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P/S
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lights for vehicles; lighting apparatus for vehicles; lighting apparatus and devices for bicycles... |