Abstract
In order to develop new lunch jars, in this study, ‘ Seven Tools for New Product Planning ’ was used to clarify the direction for lunch jars and optimized concepts by using the group interview to raise hypotheses of lunch jars. To verify those hypotheses obtained from interview survey, questionnaire survey was carried out. Moreover, in order to clarify the condition of lunch jars, positioning analysis was conducted using the data obtained from the questionnaire survey, and the planning directions for new lunch jars were clarified. Depending on this planning direction, 702 original ideas were generated, and then in order to select more promising ones, weighting evaluation was used. Finally, it was optimized to make sure product concept by conjoint analysis. And the concepts of new lunch jars that had strong possibility of great success were proposed by this research.
