About DEMIZU TSUTOMU
About 大阪産大 経営
About 大阪産業大学経営論集
About market development
About United States of America
About motorcycle
About Commercializing
About technological innovation
About growth of firm
About product development
About technological forecasting
About mass production
About export
About quality assurance
About internal combustion engine
About two-wheeled vehicle
About Automobiles and automobile industry in general
About アメリカ
About 市場
About 拡大
About 大型
About 商品化
About イノベーション