In recent years, many pieces of the Japanese puzzle have been identified and described as lessons for Western businessmen to learn. But the pieces are part of an interlocking system and to understand the role of each piece, it's necessary to see the whole. In the Japanese technology innovation system there are many parts—companies, universities, research institutes, government—and the way they are put together is the subject of this article by Joseph MacDowall. He points out some very unique characteristics about the way the system works. But he also points out some characteristics that are very much Western in origin. This article is based on the personal observations of the author, made during indepth discussions he held during site visits to over 20 industrial plants or to their research and development laboratories, 25 government research institutes, and at least eight Japanese universities. During the four years he lived in Japan, Mr. MacDowall participated in discussions on the subjects of research, technology, work life, and Japanese culture.