The present invention relates to a method for analyzing industrial structures for respective products in order to support technology opportunity discoveries and an analysis device for the same. Particularity, the present invention relates to: extracting product keywords from technical documents wherein product keywords are extracted by utilizing a trademark database storing trademarks, arbitrary products corresponding to the trademarks, and specifications for the products so as to distinguish the same from products having trademarks; and identifying a correlation among the respective product keywords by applying a natural language processing method to the extracted product keywords.
展开▼