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    Wen Shang-sheng, Zhang Jian-ping, Wen Fei, Mo Wen-zhen. Worldwide Patent Analysis on LED Lighting TechnologyJ. Journal of Guangdong University of Technology, 2009, 26(4): 1-7.
    Citation: Wen Shang-sheng, Zhang Jian-ping, Wen Fei, Mo Wen-zhen. Worldwide Patent Analysis on LED Lighting TechnologyJ. Journal of Guangdong University of Technology, 2009, 26(4): 1-7.
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    Worldwide Patent Analysis on LED Lighting Technology

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      • Abstract
    • DWPI patent database of THOMSON group was chosen,literature on LED lighting technology patents between January 1 1965 to December 31 2008 was collected,and the associated patent database was established.Derwent innovation Index patent analysis system was chosen.These LED lighting technology patents were analyzed deeply from the total amount of patent applications,and key LED patents and key patent holders were analyzed respectively. The present patent status at home and abroad were compared.The patent ...
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