Japanese manufacturing companies were at their most productive until the year 2000. Many companies have continued to use prototypes and successor models in the management of their companies. To date, Japanese have experienced many adversities in management which are specific to Japan. The Japanese have proved their patience, good teamwork, originality and ingenuity each time. In this book, the authors present time-based measures of technology management methods to improve productivity in Japanese companies. The authors are eminent scholars and directors who have managed businesses for a long time.