Many studies have been implemented on success factors and effective tools for new product development from the viewpoint of market research and product planning, design and development, or sales and after-sales service. New product development, however, cannot be fruitful without close collaboration between elements no matter how individual elements mature. This study focused on information sharing, and then investigated many companies by mail and identified the relationships between information sharing and outcomes of new product development as well as the relationships of organizations/processes for new product development, company-wide quality management activities and information sharing. As the result, it was found that degree of information sharing between departments has close relationships with outcomes of new product development, and it is essential to promote sharing of the following information because it has close relationships with the outcomes: 1) company goals, 2) know-how about quality assurance and improvement activities, 3) know-how about past failures, 4) information on product overview, quality objectives and development plan/schedule, 5) information on product design, 6) information on production/supply processes, 7) information on customers and sales methods, and 8) information on bottle-neck technologies and issues that occurred during development. In addition, it was also found that in order to promote sharing of the information, overall level of organization/process for new product development, especially consistency of process, as well as overall level of company-wide quality management activities should be enhanced.
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