Using Patent Analysis to Analyze the Technological Developments of Virtualization

This study used patent analysis to explore the technological developments of virtualization. This study did not only discuss the technological developments of virtualization, but also compared the competition among countries and companies. The patent data of this study were obtained from United States Patent and Trademark Office (USPTO). Major results are analyzed by using patent indicators. The results of this study indicated America has the competitive advantages of virtualization in the country level, while Hitachi has the competitive advantages of virtualization in the company level. Moreover, the patents of virtualization were concentrated on the issues of virtual addressing within memory.