This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.
网站域名:patentscope2.wipo.int 更新日期:2023-11-13 网站简称:WIPO-Search 网站分类:专利查询 人气指数:182