Abstract
Long-term growth of enterprises depends on business mix renovation to cope with changes in markets. The Japanese manufacturing companies are highly dependent on their own R&D, whose results are critical in creating new business lines. A portfolio management of R&D subjects in progress will be effective in this circumstance as a guidance to manage business mix renovation. Saving business resources is a leading principle in today's situation where growth in business scale is harder than ever. The present report describes the principle of the R&D subject portfolio, and applies it on a long-term analysis of business mix renovation I the camera industry, which has typically responded to a saturated market with new businesses developed from the traditional products.
