Abstract
Four companies design department of the same profession world (CRX project) carried out the learning interchange workshop of the User Interface (= UI) design method. We had the problem solution necessity of the learning interchange, and the purpose. We needed the methodology to the UI design power. We discovered and settled the limitation of the subject, during this plan. We heard the comment of the person who participated in this workshop and judged result. We knew the important to make the agreement formation between companies older to do this workshop. We would like to examine the expansion of the participation company and learning interchange of different methodology in future.