The present invention relates to a technology transaction system for providing consumer-tailored technology innovation services. Using a technology transaction DBMS that stores a plurality of technology transfer patent information, and a keyword of a target domain derived by applying a QFD methodology, and patent classification, The element technology search module that collects similar element technologies from the technology transaction DBMS, the core patents are derived through the technology centrality analysis of the element technology search module and the similar element technologies collected from the element technology search module. A core promising patent discovery module that analyzes A technology transfer prediction module that derives the technology transfer score of the core patent by applying Includes a transaction technology recommendation module that recommends transaction technology by adjusting the priority of technology transfer for
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