A method for investigating the trend of technology based on the co-occurrence of patent classifications
A method for investigating the trend of technology based on the co-occurrence of patent classifications
复制标题
一种基于专利分类共现的技术趋势调查方法
DOI：
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复制
发表时间：
2016
期刊：
影响因子：
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通讯作者：
Tsuyoshi
中科院分区：
文献类型：
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作者：
Yoshikane;Fuyuki and Kudo;Tsuyoshi
