An Empirical Assessment of the Effects of Patent Thickets
An Empirical Assessment of the Effects of Patent Thickets
复制标题
专利丛林效应的实证评估
DOI:
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发表时间:
2008
期刊:
影响因子:
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通讯作者:
Sadao and Yoichiro Nishimura
中科院分区:
文献类型:
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作者:
Nagaoka;Sadao and Yoichiro Nishimura