中國(guó)知網(wǎng)專利數(shù)據(jù)庫(kù)
http://kns.cnki.net/kns/brief/result.aspx?dbprefix=SCOD
萬(wàn)方中外專利數(shù)據(jù)庫(kù)
https://c.wanfangdata.com.cn/patent
智慧芽專利數(shù)據(jù)庫(kù)
https://analytics.zhihuiya.com/