Japan produce 13,260 thousands of motor vehlcle in 1991, which was about 28.4 percent of the total production of automobile over the world. At present, Japan is the world largest automobile production country among 30 countries which are able to produce motorcars, of the total production in the world. This study, therefore, is going to concern mainly on the Japanese entrepreneurship in order to find out major reason how Japan can became the world largest automobile production country.